Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux

Conflicts:
	drivers/net/wireless/iwlegacy/iwl-debugfs.c
	drivers/net/wireless/iwlegacy/iwl-rx.c
	drivers/net/wireless/iwlegacy/iwl-scan.c
	drivers/net/wireless/iwlegacy/iwl-tx.c
	include/net/bluetooth/bluetooth.h

43 files changed, 388 insertions, 603 deletions

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 52e2900d9d8e..a1fd73df5416 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -88,7 +88,7 @@ config SPI_BFIN_SPORT
 
 config SPI_AU1550
 	tristate "Au1550/Au12x0 SPI Controller"
-	depends on (SOC_AU1550 || SOC_AU1200) && EXPERIMENTAL
+	depends on MIPS_ALCHEMY && EXPERIMENTAL
 	select SPI_BITBANG
 	help
 	  If you say yes to this option, support will be included for the
diff --git a/drivers/spi/spi-altera.c b/drivers/spi/spi-altera.c
index 4813a63ce6fb..c00d00e96ee4 100644
--- a/drivers/spi/spi-altera.c
+++ b/drivers/spi/spi-altera.c
@@ -16,6 +16,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/errno.h>
+#include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/spi_bitbang.h>
@@ -320,18 +321,7 @@ static struct platform_driver altera_spi_driver = {
 		.of_match_table = altera_spi_match,
 	},
 };
-
-static int __init altera_spi_init(void)
-{
-	return platform_driver_register(&altera_spi_driver);
-}
-module_init(altera_spi_init);
-
-static void __exit altera_spi_exit(void)
-{
-	platform_driver_unregister(&altera_spi_driver);
-}
-module_exit(altera_spi_exit);
+module_platform_driver(altera_spi_driver);
 
 MODULE_DESCRIPTION("Altera SPI driver");
 MODULE_AUTHOR("Thomas Chou <thomas@wytron.com.tw>");
diff --git a/drivers/spi/spi-ath79.c b/drivers/spi/spi-ath79.c
index 03019bf5a5e9..024b48aed5ca 100644
--- a/drivers/spi/spi-ath79.c
+++ b/drivers/spi/spi-ath79.c
@@ -273,18 +273,7 @@ static struct platform_driver ath79_spi_driver = {
 		.owner	= THIS_MODULE,
 	},
 };
-
-static __init int ath79_spi_init(void)
-{
-	return platform_driver_register(&ath79_spi_driver);
-}
-module_init(ath79_spi_init);
-
-static __exit void ath79_spi_exit(void)
-{
-	platform_driver_unregister(&ath79_spi_driver);
-}
-module_exit(ath79_spi_exit);
+module_platform_driver(ath79_spi_driver);
 
 MODULE_DESCRIPTION("SPI controller driver for Atheros AR71XX/AR724X/AR913X");
 MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index 82dee9a6c0de..16d6a839c7fa 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -22,7 +22,7 @@
 
 #include <asm/io.h>
 #include <mach/board.h>
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 #include <mach/cpu.h>
 
 /* SPI register offsets */
@@ -907,7 +907,7 @@ static void atmel_spi_cleanup(struct spi_device *spi)
 
 /*-------------------------------------------------------------------------*/
 
-static int __init atmel_spi_probe(struct platform_device *pdev)
+static int __devinit atmel_spi_probe(struct platform_device *pdev)
 {
 	struct resource		*regs;
 	int			irq;
@@ -1003,7 +1003,7 @@ out_free:
 	return ret;
 }
 
-static int __exit atmel_spi_remove(struct platform_device *pdev)
+static int __devexit atmel_spi_remove(struct platform_device *pdev)
 {
 	struct spi_master	*master = platform_get_drvdata(pdev);
 	struct atmel_spi	*as = spi_master_get_devdata(master);
@@ -1072,20 +1072,10 @@ static struct platform_driver atmel_spi_driver = {
 	},
 	.suspend	= atmel_spi_suspend,
 	.resume		= atmel_spi_resume,
+	.probe		= atmel_spi_probe,
 	.remove		= __exit_p(atmel_spi_remove),
 };
-
-static int __init atmel_spi_init(void)
-{
-	return platform_driver_probe(&atmel_spi_driver, atmel_spi_probe);
-}
-module_init(atmel_spi_init);
-
-static void __exit atmel_spi_exit(void)
-{
-	platform_driver_unregister(&atmel_spi_driver);
-}
-module_exit(atmel_spi_exit);
+module_platform_driver(atmel_spi_driver);
 
 MODULE_DESCRIPTION("Atmel AT32/AT91 SPI Controller driver");
 MODULE_AUTHOR("Haavard Skinnemoen (Atmel)");
diff --git a/drivers/spi/spi-au1550.c b/drivers/spi/spi-au1550.c
index bddee5f516b2..5784c8799616 100644
--- a/drivers/spi/spi-au1550.c
+++ b/drivers/spi/spi-au1550.c
@@ -25,6 +25,7 @@
 #include <linux/interrupt.h>
 #include <linux/slab.h>
 #include <linux/errno.h>
+#include <linux/module.h>
 #include <linux/device.h>
 #include <linux/platform_device.h>
 #include <linux/resource.h>
diff --git a/drivers/spi/spi-bfin-sport.c b/drivers/spi/spi-bfin-sport.c
index e557ff617b11..248a2cc671a9 100644
--- a/drivers/spi/spi-bfin-sport.c
+++ b/drivers/spi/spi-bfin-sport.c
@@ -938,15 +938,4 @@ static struct platform_driver bfin_sport_spi_driver = {
 	.suspend = bfin_sport_spi_suspend,
 	.resume  = bfin_sport_spi_resume,
 };
-
-static int __init bfin_sport_spi_init(void)
-{
-	return platform_driver_register(&bfin_sport_spi_driver);
-}
-module_init(bfin_sport_spi_init);
-
-static void __exit bfin_sport_spi_exit(void)
-{
-	platform_driver_unregister(&bfin_sport_spi_driver);
-}
-module_exit(bfin_sport_spi_exit);
+module_platform_driver(bfin_sport_spi_driver);
diff --git a/drivers/spi/spi-bfin5xx.c b/drivers/spi/spi-bfin5xx.c
index b8d25f2b7038..3b83ff8b1e2b 100644
--- a/drivers/spi/spi-bfin5xx.c
+++ b/drivers/spi/spi-bfin5xx.c
@@ -1098,7 +1098,7 @@ static int bfin_spi_setup(struct spi_device *spi)
 
 	if (chip->pio_interrupt && !drv_data->irq_requested) {
 		ret = request_irq(drv_data->spi_irq, bfin_spi_pio_irq_handler,
-			IRQF_DISABLED, "BFIN_SPI", drv_data);
+			0, "BFIN_SPI", drv_data);
 		if (ret) {
 			dev_err(&spi->dev, "Unable to register spi IRQ\n");
 			goto error;
diff --git a/drivers/spi/spi-bitbang.c b/drivers/spi/spi-bitbang.c
index 02d57fbba295..aef59b1a15f7 100644
--- a/drivers/spi/spi-bitbang.c
+++ b/drivers/spi/spi-bitbang.c
@@ -20,6 +20,7 @@
 #include <linux/spinlock.h>
 #include <linux/workqueue.h>
 #include <linux/interrupt.h>
+#include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/errno.h>
 #include <linux/platform_device.h>
diff --git a/drivers/spi/spi-butterfly.c b/drivers/spi/spi-butterfly.c
index 9f907ec52def..5ed08e537433 100644
--- a/drivers/spi/spi-butterfly.c
+++ b/drivers/spi/spi-butterfly.c
@@ -20,6 +20,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/delay.h>
+#include <linux/module.h>
 #include <linux/device.h>
 #include <linux/parport.h>
 
diff --git a/drivers/spi/spi-coldfire-qspi.c b/drivers/spi/spi-coldfire-qspi.c
index ae2cd1c1fda8..6eee64a5d240 100644
--- a/drivers/spi/spi-coldfire-qspi.c
+++ b/drivers/spi/spi-coldfire-qspi.c
@@ -487,7 +487,7 @@ static int __devinit mcfqspi_probe(struct platform_device *pdev)
 		goto fail2;
 	}
 
-	status = request_irq(mcfqspi->irq, mcfqspi_irq_handler, IRQF_DISABLED,
+	status = request_irq(mcfqspi->irq, mcfqspi_irq_handler, 0,
 			     pdev->name, mcfqspi);
 	if (status) {
 		dev_dbg(&pdev->dev, "request_irq failed\n");
@@ -621,20 +621,10 @@ static struct platform_driver mcfqspi_driver = {
 	.driver.name	= DRIVER_NAME,
 	.driver.owner	= THIS_MODULE,
 	.driver.pm	= MCFQSPI_DEV_PM_OPS,
+	.probe		= mcfqspi_probe,
 	.remove		= __devexit_p(mcfqspi_remove),
 };
-
-static int __init mcfqspi_init(void)
-{
-	return platform_driver_probe(&mcfqspi_driver, mcfqspi_probe);
-}
-module_init(mcfqspi_init);
-
-static void __exit mcfqspi_exit(void)
-{
-	platform_driver_unregister(&mcfqspi_driver);
-}
-module_exit(mcfqspi_exit);
+module_platform_driver(mcfqspi_driver);
 
 MODULE_AUTHOR("Steven King <sfking@fdwdc.com>");
 MODULE_DESCRIPTION("Coldfire QSPI Controller Driver");
diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c
index 1f0ed8005c91..31bfba805cf4 100644
--- a/drivers/spi/spi-davinci.c
+++ b/drivers/spi/spi-davinci.c
@@ -799,7 +799,7 @@ rx_dma_failed:
  * It will invoke spi_bitbang_start to create work queue so that client driver
  * can register transfer method to work queue.
  */
-static int davinci_spi_probe(struct platform_device *pdev)
+static int __devinit davinci_spi_probe(struct platform_device *pdev)
 {
 	struct spi_master *master;
 	struct davinci_spi *dspi;
@@ -984,7 +984,7 @@ err:
  * It will also call spi_bitbang_stop to destroy the work queue which was
  * created by spi_bitbang_start.
  */
-static int __exit davinci_spi_remove(struct platform_device *pdev)
+static int __devexit davinci_spi_remove(struct platform_device *pdev)
 {
 	struct davinci_spi *dspi;
 	struct spi_master *master;
@@ -1011,20 +1011,10 @@ static struct platform_driver davinci_spi_driver = {
 		.name = "spi_davinci",
 		.owner = THIS_MODULE,
 	},
-	.remove = __exit_p(davinci_spi_remove),
+	.probe = davinci_spi_probe,
+	.remove = __devexit_p(davinci_spi_remove),
 };
-
-static int __init davinci_spi_init(void)
-{
-	return platform_driver_probe(&davinci_spi_driver, davinci_spi_probe);
-}
-module_init(davinci_spi_init);
-
-static void __exit davinci_spi_exit(void)
-{
-	platform_driver_unregister(&davinci_spi_driver);
-}
-module_exit(davinci_spi_exit);
+module_platform_driver(davinci_spi_driver);
 
 MODULE_DESCRIPTION("TI DaVinci SPI Master Controller Driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/spi/spi-dw-mid.c b/drivers/spi/spi-dw-mid.c
index 130e55537db6..e743a45ee92c 100644
--- a/drivers/spi/spi-dw-mid.c
+++ b/drivers/spi/spi-dw-mid.c
@@ -116,13 +116,13 @@ static int mid_spi_dma_transfer(struct dw_spi *dws, int cs_change)
 	/* 1. setup DMA related registers */
 	if (cs_change) {
 		spi_enable_chip(dws, 0);
-		dw_writew(dws, dmardlr, 0xf);
-		dw_writew(dws, dmatdlr, 0x10);
+		dw_writew(dws, DW_SPI_DMARDLR, 0xf);
+		dw_writew(dws, DW_SPI_DMATDLR, 0x10);
 		if (dws->tx_dma)
 			dma_ctrl |= 0x2;
 		if (dws->rx_dma)
 			dma_ctrl |= 0x1;
-		dw_writew(dws, dmacr, dma_ctrl);
+		dw_writew(dws, DW_SPI_DMACR, dma_ctrl);
 		spi_enable_chip(dws, 1);
 	}
 
@@ -200,7 +200,8 @@ static struct dw_spi_dma_ops mid_dma_ops = {
 
 int dw_spi_mid_init(struct dw_spi *dws)
 {
-	u32 *clk_reg, clk_cdiv;
+	void __iomem *clk_reg;
+	u32 clk_cdiv;
 
 	clk_reg = ioremap_nocache(MRST_CLK_SPI0_REG, 16);
 	if (!clk_reg)
diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c
index 34eb66501dbf..db2f1ba06eab 100644
--- a/drivers/spi/spi-dw-mmio.c
+++ b/drivers/spi/spi-dw-mmio.c
@@ -15,6 +15,7 @@
 #include <linux/slab.h>
 #include <linux/spi/spi.h>
 #include <linux/scatterlist.h>
+#include <linux/module.h>
 
 #include "spi-dw.h"
 
@@ -127,24 +128,14 @@ static int __devexit dw_spi_mmio_remove(struct platform_device *pdev)
 }
 
 static struct platform_driver dw_spi_mmio_driver = {
+	.probe		= dw_spi_mmio_probe,
 	.remove		= __devexit_p(dw_spi_mmio_remove),
 	.driver		= {
 		.name	= DRIVER_NAME,
 		.owner	= THIS_MODULE,
 	},
 };
-
-static int __init dw_spi_mmio_init(void)
-{
-	return platform_driver_probe(&dw_spi_mmio_driver, dw_spi_mmio_probe);
-}
-module_init(dw_spi_mmio_init);
-
-static void __exit dw_spi_mmio_exit(void)
-{
-	platform_driver_unregister(&dw_spi_mmio_driver);
-}
-module_exit(dw_spi_mmio_exit);
+module_platform_driver(dw_spi_mmio_driver);
 
 MODULE_AUTHOR("Jean-Hugues Deschenes <jean-hugues.deschenes@octasic.com>");
 MODULE_DESCRIPTION("Memory-mapped I/O interface driver for DW SPI Core");
diff --git a/drivers/spi/spi-dw-pci.c b/drivers/spi/spi-dw-pci.c
index c5f37f03ac8b..f64250ea1611 100644
--- a/drivers/spi/spi-dw-pci.c
+++ b/drivers/spi/spi-dw-pci.c
@@ -21,6 +21,7 @@
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/spi/spi.h>
+#include <linux/module.h>
 
 #include "spi-dw.h"
 
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index 857cd30b44bb..082458d73ce9 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -19,6 +19,7 @@
 
 #include <linux/dma-mapping.h>
 #include <linux/interrupt.h>
+#include <linux/module.h>
 #include <linux/highmem.h>
 #include <linux/delay.h>
 #include <linux/slab.h>
@@ -88,35 +89,35 @@ static ssize_t  spi_show_regs(struct file *file, char __user *user_buf,
 	len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
 			"=================================\n");
 	len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
-			"CTRL0: \t\t0x%08x\n", dw_readl(dws, ctrl0));
+			"CTRL0: \t\t0x%08x\n", dw_readl(dws, DW_SPI_CTRL0));
 	len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
-			"CTRL1: \t\t0x%08x\n", dw_readl(dws, ctrl1));
+			"CTRL1: \t\t0x%08x\n", dw_readl(dws, DW_SPI_CTRL1));
 	len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
-			"SSIENR: \t0x%08x\n", dw_readl(dws, ssienr));
+			"SSIENR: \t0x%08x\n", dw_readl(dws, DW_SPI_SSIENR));
 	len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
-			"SER: \t\t0x%08x\n", dw_readl(dws, ser));
+			"SER: \t\t0x%08x\n", dw_readl(dws, DW_SPI_SER));
 	len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
-			"BAUDR: \t\t0x%08x\n", dw_readl(dws, baudr));
+			"BAUDR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_BAUDR));
 	len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
-			"TXFTLR: \t0x%08x\n", dw_readl(dws, txfltr));
+			"TXFTLR: \t0x%08x\n", dw_readl(dws, DW_SPI_TXFLTR));
 	len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
-			"RXFTLR: \t0x%08x\n", dw_readl(dws, rxfltr));
+			"RXFTLR: \t0x%08x\n", dw_readl(dws, DW_SPI_RXFLTR));
 	len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
-			"TXFLR: \t\t0x%08x\n", dw_readl(dws, txflr));
+			"TXFLR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_TXFLR));
 	len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
-			"RXFLR: \t\t0x%08x\n", dw_readl(dws, rxflr));
+			"RXFLR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_RXFLR));
 	len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
-			"SR: \t\t0x%08x\n", dw_readl(dws, sr));
+			"SR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_SR));
 	len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
-			"IMR: \t\t0x%08x\n", dw_readl(dws, imr));
+			"IMR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_IMR));
 	len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
-			"ISR: \t\t0x%08x\n", dw_readl(dws, isr));
+			"ISR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_ISR));
 	len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
-			"DMACR: \t\t0x%08x\n", dw_readl(dws, dmacr));
+			"DMACR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_DMACR));
 	len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
-			"DMATDLR: \t0x%08x\n", dw_readl(dws, dmatdlr));
+			"DMATDLR: \t0x%08x\n", dw_readl(dws, DW_SPI_DMATDLR));
 	len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
-			"DMARDLR: \t0x%08x\n", dw_readl(dws, dmardlr));
+			"DMARDLR: \t0x%08x\n", dw_readl(dws, DW_SPI_DMARDLR));
 	len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
 			"=================================\n");
 
@@ -166,7 +167,7 @@ static inline u32 tx_max(struct dw_spi *dws)
 	u32 tx_left, tx_room, rxtx_gap;
 
 	tx_left = (dws->tx_end - dws->tx) / dws->n_bytes;
-	tx_room = dws->fifo_len - dw_readw(dws, txflr);
+	tx_room = dws->fifo_len - dw_readw(dws, DW_SPI_TXFLR);
 
 	/*
 	 * Another concern is about the tx/rx mismatch, we
@@ -187,7 +188,7 @@ static inline u32 rx_max(struct dw_spi *dws)
 {
 	u32 rx_left = (dws->rx_end - dws->rx) / dws->n_bytes;
 
-	return min(rx_left, (u32)dw_readw(dws, rxflr));
+	return min(rx_left, (u32)dw_readw(dws, DW_SPI_RXFLR));
 }
 
 static void dw_writer(struct dw_spi *dws)
@@ -203,7 +204,7 @@ static void dw_writer(struct dw_spi *dws)
 			else
 				txw = *(u16 *)(dws->tx);
 		}
-		dw_writew(dws, dr, txw);
+		dw_writew(dws, DW_SPI_DR, txw);
 		dws->tx += dws->n_bytes;
 	}
 }
@@ -214,7 +215,7 @@ static void dw_reader(struct dw_spi *dws)
 	u16 rxw;
 
 	while (max--) {
-		rxw = dw_readw(dws, dr);
+		rxw = dw_readw(dws, DW_SPI_DR);
 		/* Care rx only if the transfer's original "rx" is not null */
 		if (dws->rx_end - dws->len) {
 			if (dws->n_bytes == 1)
@@ -322,13 +323,13 @@ EXPORT_SYMBOL_GPL(dw_spi_xfer_done);
 
 static irqreturn_t interrupt_transfer(struct dw_spi *dws)
 {
-	u16 irq_status = dw_readw(dws, isr);
+	u16 irq_status = dw_readw(dws, DW_SPI_ISR);
 
 	/* Error handling */
 	if (irq_status & (SPI_INT_TXOI | SPI_INT_RXOI | SPI_INT_RXUI)) {
-		dw_readw(dws, txoicr);
-		dw_readw(dws, rxoicr);
-		dw_readw(dws, rxuicr);
+		dw_readw(dws, DW_SPI_TXOICR);
+		dw_readw(dws, DW_SPI_RXOICR);
+		dw_readw(dws, DW_SPI_RXUICR);
 		int_error_stop(dws, "interrupt_transfer: fifo overrun/underrun");
 		return IRQ_HANDLED;
 	}
@@ -352,7 +353,7 @@ static irqreturn_t interrupt_transfer(struct dw_spi *dws)
 static irqreturn_t dw_spi_irq(int irq, void *dev_id)
 {
 	struct dw_spi *dws = dev_id;
-	u16 irq_status = dw_readw(dws, isr) & 0x3f;
+	u16 irq_status = dw_readw(dws, DW_SPI_ISR) & 0x3f;
 
 	if (!irq_status)
 		return IRQ_NONE;
@@ -520,11 +521,11 @@ static void pump_transfers(unsigned long data)
 	 *	2. clk_div is changed
 	 *	3. control value changes
 	 */
-	if (dw_readw(dws, ctrl0) != cr0 || cs_change || clk_div || imask) {
+	if (dw_readw(dws, DW_SPI_CTRL0) != cr0 || cs_change || clk_div || imask) {
 		spi_enable_chip(dws, 0);
 
-		if (dw_readw(dws, ctrl0) != cr0)
-			dw_writew(dws, ctrl0, cr0);
+		if (dw_readw(dws, DW_SPI_CTRL0) != cr0)
+			dw_writew(dws, DW_SPI_CTRL0, cr0);
 
 		spi_set_clk(dws, clk_div ? clk_div : chip->clk_div);
 		spi_chip_sel(dws, spi->chip_select);
@@ -534,7 +535,7 @@ static void pump_transfers(unsigned long data)
 		if (imask)
 			spi_umask_intr(dws, imask);
 		if (txint_level)
-			dw_writew(dws, txfltr, txint_level);
+			dw_writew(dws, DW_SPI_TXFLTR, txint_level);
 
 		spi_enable_chip(dws, 1);
 		if (cs_change)
@@ -790,13 +791,13 @@ static void spi_hw_init(struct dw_spi *dws)
 	if (!dws->fifo_len) {
 		u32 fifo;
 		for (fifo = 2; fifo <= 257; fifo++) {
-			dw_writew(dws, txfltr, fifo);
-			if (fifo != dw_readw(dws, txfltr))
+			dw_writew(dws, DW_SPI_TXFLTR, fifo);
+			if (fifo != dw_readw(dws, DW_SPI_TXFLTR))
 				break;
 		}
 
 		dws->fifo_len = (fifo == 257) ? 0 : fifo;
-		dw_writew(dws, txfltr, 0);
+		dw_writew(dws, DW_SPI_TXFLTR, 0);
 	}
 }
 
diff --git a/drivers/spi/spi-dw.h b/drivers/spi/spi-dw.h
index 8b7b07bf6c3f..9c57c078031e 100644
--- a/drivers/spi/spi-dw.h
+++ b/drivers/spi/spi-dw.h
@@ -4,6 +4,33 @@
 #include <linux/io.h>
 #include <linux/scatterlist.h>
 
+/* Register offsets */
+#define DW_SPI_CTRL0			0x00
+#define DW_SPI_CTRL1			0x04
+#define DW_SPI_SSIENR			0x08
+#define DW_SPI_MWCR			0x0c
+#define DW_SPI_SER			0x10
+#define DW_SPI_BAUDR			0x14
+#define DW_SPI_TXFLTR			0x18
+#define DW_SPI_RXFLTR			0x1c
+#define DW_SPI_TXFLR			0x20
+#define DW_SPI_RXFLR			0x24
+#define DW_SPI_SR			0x28
+#define DW_SPI_IMR			0x2c
+#define DW_SPI_ISR			0x30
+#define DW_SPI_RISR			0x34
+#define DW_SPI_TXOICR			0x38
+#define DW_SPI_RXOICR			0x3c
+#define DW_SPI_RXUICR			0x40
+#define DW_SPI_MSTICR			0x44
+#define DW_SPI_ICR			0x48
+#define DW_SPI_DMACR			0x4c
+#define DW_SPI_DMATDLR			0x50
+#define DW_SPI_DMARDLR			0x54
+#define DW_SPI_IDR			0x58
+#define DW_SPI_VERSION			0x5c
+#define DW_SPI_DR			0x60
+
 /* Bit fields in CTRLR0 */
 #define SPI_DFS_OFFSET			0
 
@@ -55,35 +82,6 @@ enum dw_ssi_type {
 	SSI_NS_MICROWIRE,
 };
 
-struct dw_spi_reg {
-	u32	ctrl0;
-	u32	ctrl1;
-	u32	ssienr;
-	u32	mwcr;
-	u32	ser;
-	u32	baudr;
-	u32	txfltr;
-	u32	rxfltr;
-	u32	txflr;
-	u32	rxflr;
-	u32	sr;
-	u32	imr;
-	u32	isr;
-	u32	risr;
-	u32	txoicr;
-	u32	rxoicr;
-	u32	rxuicr;
-	u32	msticr;
-	u32	icr;
-	u32	dmacr;
-	u32	dmatdlr;
-	u32	dmardlr;
-	u32	idr;
-	u32	version;
-	u32	dr;		/* Currently oper as 32 bits,
-				though only low 16 bits matters */
-} __packed;
-
 struct dw_spi;
 struct dw_spi_dma_ops {
 	int (*dma_init)(struct dw_spi *dws);
@@ -161,23 +159,34 @@ struct dw_spi {
 #endif
 };
 
-#define dw_readl(dw, name) \
-	__raw_readl(&(((struct dw_spi_reg *)dw->regs)->name))
-#define dw_writel(dw, name, val) \
-	__raw_writel((val), &(((struct dw_spi_reg *)dw->regs)->name))
-#define dw_readw(dw, name) \
-	__raw_readw(&(((struct dw_spi_reg *)dw->regs)->name))
-#define dw_writew(dw, name, val) \
-	__raw_writew((val), &(((struct dw_spi_reg *)dw->regs)->name))
+static inline u32 dw_readl(struct dw_spi *dws, u32 offset)
+{
+	return __raw_readl(dws->regs + offset);
+}
+
+static inline void dw_writel(struct dw_spi *dws, u32 offset, u32 val)
+{
+	__raw_writel(val, dws->regs + offset);
+}
+
+static inline u16 dw_readw(struct dw_spi *dws, u32 offset)
+{
+	return __raw_readw(dws->regs + offset);
+}
+
+static inline void dw_writew(struct dw_spi *dws, u32 offset, u16 val)
+{
+	__raw_writew(val, dws->regs + offset);
+}
 
 static inline void spi_enable_chip(struct dw_spi *dws, int enable)
 {
-	dw_writel(dws, ssienr, (enable ? 1 : 0));
+	dw_writel(dws, DW_SPI_SSIENR, (enable ? 1 : 0));
 }
 
 static inline void spi_set_clk(struct dw_spi *dws, u16 div)
 {
-	dw_writel(dws, baudr, div);
+	dw_writel(dws, DW_SPI_BAUDR, div);
 }
 
 static inline void spi_chip_sel(struct dw_spi *dws, u16 cs)
@@ -188,7 +197,7 @@ static inline void spi_chip_sel(struct dw_spi *dws, u16 cs)
 	if (dws->cs_control)
 		dws->cs_control(1);
 
-	dw_writel(dws, ser, 1 << cs);
+	dw_writel(dws, DW_SPI_SER, 1 << cs);
 }
 
 /* Disable IRQ bits */
@@ -196,8 +205,8 @@ static inline void spi_mask_intr(struct dw_spi *dws, u32 mask)
 {
 	u32 new_mask;
 
-	new_mask = dw_readl(dws, imr) & ~mask;
-	dw_writel(dws, imr, new_mask);
+	new_mask = dw_readl(dws, DW_SPI_IMR) & ~mask;
+	dw_writel(dws, DW_SPI_IMR, new_mask);
 }
 
 /* Enable IRQ bits */
@@ -205,8 +214,8 @@ static inline void spi_umask_intr(struct dw_spi *dws, u32 mask)
 {
 	u32 new_mask;
 
-	new_mask = dw_readl(dws, imr) | mask;
-	dw_writel(dws, imr, new_mask);
+	new_mask = dw_readl(dws, DW_SPI_IMR) | mask;
+	dw_writel(dws, DW_SPI_IMR, new_mask);
 }
 
 /*
diff --git a/drivers/spi/spi-ep93xx.c b/drivers/spi/spi-ep93xx.c
index 1cf645479bfe..0a282e5fcc9c 100644
--- a/drivers/spi/spi-ep93xx.c
+++ b/drivers/spi/spi-ep93xx.c
@@ -24,6 +24,7 @@
 #include <linux/dmaengine.h>
 #include <linux/bitops.h>
 #include <linux/interrupt.h>
+#include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/workqueue.h>
 #include <linux/sched.h>
@@ -1025,7 +1026,7 @@ static void ep93xx_spi_release_dma(struct ep93xx_spi *espi)
 		free_page((unsigned long)espi->zeropage);
 }
 
-static int __init ep93xx_spi_probe(struct platform_device *pdev)
+static int __devinit ep93xx_spi_probe(struct platform_device *pdev)
 {
 	struct spi_master *master;
 	struct ep93xx_spi_info *info;
@@ -1150,7 +1151,7 @@ fail_release_master:
 	return error;
 }
 
-static int __exit ep93xx_spi_remove(struct platform_device *pdev)
+static int __devexit ep93xx_spi_remove(struct platform_device *pdev)
 {
 	struct spi_master *master = platform_get_drvdata(pdev);
 	struct ep93xx_spi *espi = spi_master_get_devdata(master);
@@ -1196,20 +1197,10 @@ static struct platform_driver ep93xx_spi_driver = {
 		.name	= "ep93xx-spi",
 		.owner	= THIS_MODULE,
 	},
-	.remove		= __exit_p(ep93xx_spi_remove),
+	.probe		= ep93xx_spi_probe,
+	.remove		= __devexit_p(ep93xx_spi_remove),
 };
-
-static int __init ep93xx_spi_init(void)
-{
-	return platform_driver_probe(&ep93xx_spi_driver, ep93xx_spi_probe);
-}
-module_init(ep93xx_spi_init);
-
-static void __exit ep93xx_spi_exit(void)
-{
-	platform_driver_unregister(&ep93xx_spi_driver);
-}
-module_exit(ep93xx_spi_exit);
+module_platform_driver(ep93xx_spi_driver);
 
 MODULE_DESCRIPTION("EP93xx SPI Controller driver");
 MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");
diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c
index 54e499d5f92c..d770f03705c3 100644
--- a/drivers/spi/spi-fsl-espi.c
+++ b/drivers/spi/spi-fsl-espi.c
@@ -744,18 +744,7 @@ static struct platform_driver fsl_espi_driver = {
 	.probe		= of_fsl_espi_probe,
 	.remove		= __devexit_p(of_fsl_espi_remove),
 };
-
-static int __init fsl_espi_init(void)
-{
-	return platform_driver_register(&fsl_espi_driver);
-}
-module_init(fsl_espi_init);
-
-static void __exit fsl_espi_exit(void)
-{
-	platform_driver_unregister(&fsl_espi_driver);
-}
-module_exit(fsl_espi_exit);
+module_platform_driver(fsl_espi_driver);
 
 MODULE_AUTHOR("Mingkai Hu");
 MODULE_DESCRIPTION("Enhanced Freescale SPI Driver");
diff --git a/drivers/spi/spi-gpio.c b/drivers/spi/spi-gpio.c
index 0e88ab745490..e093d3ec41ba 100644
--- a/drivers/spi/spi-gpio.c
+++ b/drivers/spi/spi-gpio.c
@@ -18,6 +18,7 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
@@ -311,7 +312,7 @@ done:
 	return value;
 }
 
-static int __init spi_gpio_probe(struct platform_device *pdev)
+static int __devinit spi_gpio_probe(struct platform_device *pdev)
 {
 	int				status;
 	struct spi_master		*master;
@@ -379,7 +380,7 @@ gpio_free:
 	return status;
 }
 
-static int __exit spi_gpio_remove(struct platform_device *pdev)
+static int __devexit spi_gpio_remove(struct platform_device *pdev)
 {
 	struct spi_gpio			*spi_gpio;
 	struct spi_gpio_platform_data	*pdata;
@@ -408,21 +409,10 @@ MODULE_ALIAS("platform:" DRIVER_NAME);
 static struct platform_driver spi_gpio_driver = {
 	.driver.name	= DRIVER_NAME,
 	.driver.owner	= THIS_MODULE,
-	.remove		= __exit_p(spi_gpio_remove),
+	.probe		= spi_gpio_probe,
+	.remove		= __devexit_p(spi_gpio_remove),
 };
-
-static int __init spi_gpio_init(void)
-{
-	return platform_driver_probe(&spi_gpio_driver, spi_gpio_probe);
-}
-module_init(spi_gpio_init);
-
-static void __exit spi_gpio_exit(void)
-{
-	platform_driver_unregister(&spi_gpio_driver);
-}
-module_exit(spi_gpio_exit);
-
+module_platform_driver(spi_gpio_driver);
 
 MODULE_DESCRIPTION("SPI master driver using generic bitbanged GPIO ");
 MODULE_AUTHOR("David Brownell");
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index fa594d604aca..c6e697f5e007 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -929,19 +929,7 @@ static struct platform_driver spi_imx_driver = {
 	.probe = spi_imx_probe,
 	.remove = __devexit_p(spi_imx_remove),
 };
-
-static int __init spi_imx_init(void)
-{
-	return platform_driver_register(&spi_imx_driver);
-}
-
-static void __exit spi_imx_exit(void)
-{
-	platform_driver_unregister(&spi_imx_driver);
-}
-
-module_init(spi_imx_init);
-module_exit(spi_imx_exit);
+module_platform_driver(spi_imx_driver);
 
 MODULE_DESCRIPTION("SPI Master Controller driver");
 MODULE_AUTHOR("Sascha Hauer, Pengutronix");
diff --git a/drivers/spi/spi-mpc512x-psc.c b/drivers/spi/spi-mpc512x-psc.c
index 6a5b4238fb6b..4c63f772780a 100644
--- a/drivers/spi/spi-mpc512x-psc.c
+++ b/drivers/spi/spi-mpc512x-psc.c
@@ -559,18 +559,7 @@ static struct platform_driver mpc512x_psc_spi_of_driver = {
 		.of_match_table = mpc512x_psc_spi_of_match,
 	},
 };
-
-static int __init mpc512x_psc_spi_init(void)
-{
-	return platform_driver_register(&mpc512x_psc_spi_of_driver);
-}
-module_init(mpc512x_psc_spi_init);
-
-static void __exit mpc512x_psc_spi_exit(void)
-{
-	platform_driver_unregister(&mpc512x_psc_spi_of_driver);
-}
-module_exit(mpc512x_psc_spi_exit);
+module_platform_driver(mpc512x_psc_spi_of_driver);
 
 MODULE_AUTHOR("John Rigby");
 MODULE_DESCRIPTION("MPC512x PSC SPI Driver");
diff --git a/drivers/spi/spi-mpc52xx-psc.c b/drivers/spi/spi-mpc52xx-psc.c
index e30baf0852ac..66047156d90d 100644
--- a/drivers/spi/spi-mpc52xx-psc.c
+++ b/drivers/spi/spi-mpc52xx-psc.c
@@ -511,18 +511,7 @@ static struct platform_driver mpc52xx_psc_spi_of_driver = {
 		.of_match_table = mpc52xx_psc_spi_of_match,
 	},
 };
-
-static int __init mpc52xx_psc_spi_init(void)
-{
-	return platform_driver_register(&mpc52xx_psc_spi_of_driver);
-}
-module_init(mpc52xx_psc_spi_init);
-
-static void __exit mpc52xx_psc_spi_exit(void)
-{
-	platform_driver_unregister(&mpc52xx_psc_spi_of_driver);
-}
-module_exit(mpc52xx_psc_spi_exit);
+module_platform_driver(mpc52xx_psc_spi_of_driver);
 
 MODULE_AUTHOR("Dragos Carp");
 MODULE_DESCRIPTION("MPC52xx PSC SPI Driver");
diff --git a/drivers/spi/spi-mpc52xx.c b/drivers/spi/spi-mpc52xx.c
index 015a974bed72..57633d963456 100644
--- a/drivers/spi/spi-mpc52xx.c
+++ b/drivers/spi/spi-mpc52xx.c
@@ -564,16 +564,4 @@ static struct platform_driver mpc52xx_spi_of_driver = {
 	.probe = mpc52xx_spi_probe,
 	.remove = __devexit_p(mpc52xx_spi_remove),
 };
-
-static int __init mpc52xx_spi_init(void)
-{
-	return platform_driver_register(&mpc52xx_spi_of_driver);
-}
-module_init(mpc52xx_spi_init);
-
-static void __exit mpc52xx_spi_exit(void)
-{
-	platform_driver_unregister(&mpc52xx_spi_of_driver);
-}
-module_exit(mpc52xx_spi_exit);
-
+module_platform_driver(mpc52xx_spi_of_driver);
diff --git a/drivers/spi/spi-nuc900.c b/drivers/spi/spi-nuc900.c
index c0a6ce81f9c0..e763254741c2 100644
--- a/drivers/spi/spi-nuc900.c
+++ b/drivers/spi/spi-nuc900.c
@@ -484,19 +484,7 @@ static struct platform_driver nuc900_spi_driver = {
 		.owner	= THIS_MODULE,
 	},
 };
-
-static int __init nuc900_spi_init(void)
-{
-	return platform_driver_register(&nuc900_spi_driver);
-}
-
-static void __exit nuc900_spi_exit(void)
-{
-	platform_driver_unregister(&nuc900_spi_driver);
-}
-
-module_init(nuc900_spi_init);
-module_exit(nuc900_spi_exit);
+module_platform_driver(nuc900_spi_driver);
 
 MODULE_AUTHOR("Wan ZongShun <mcuos.com@gmail.com>");
 MODULE_DESCRIPTION("nuc900 spi driver!");
diff --git a/drivers/spi/spi-oc-tiny.c b/drivers/spi/spi-oc-tiny.c
index f1bde66cea19..698018fd992b 100644
--- a/drivers/spi/spi-oc-tiny.c
+++ b/drivers/spi/spi-oc-tiny.c
@@ -18,6 +18,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/errno.h>
+#include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/spi_bitbang.h>
@@ -406,18 +407,7 @@ static struct platform_driver tiny_spi_driver = {
 		.of_match_table = tiny_spi_match,
 	},
 };
-
-static int __init tiny_spi_init(void)
-{
-	return platform_driver_register(&tiny_spi_driver);
-}
-module_init(tiny_spi_init);
-
-static void __exit tiny_spi_exit(void)
-{
-	platform_driver_unregister(&tiny_spi_driver);
-}
-module_exit(tiny_spi_exit);
+module_platform_driver(tiny_spi_driver);
 
 MODULE_DESCRIPTION("OpenCores tiny SPI driver");
 MODULE_AUTHOR("Thomas Chou <thomas@wytron.com.tw>");
diff --git a/drivers/spi/spi-omap-uwire.c b/drivers/spi/spi-omap-uwire.c
index 00a8e9d7dbe4..610f7391456e 100644
--- a/drivers/spi/spi-omap-uwire.c
+++ b/drivers/spi/spi-omap-uwire.c
@@ -45,6 +45,7 @@
 
 #include <linux/spi/spi.h>
 #include <linux/spi/spi_bitbang.h>
+#include <linux/module.h>
 
 #include <asm/system.h>
 #include <asm/irq.h>
diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
index fde3a2d4f120..322be7aea8b4 100644
--- a/drivers/spi/spi-omap2-mcspi.c
+++ b/drivers/spi/spi-omap2-mcspi.c
@@ -1116,15 +1116,16 @@ static int __init omap2_mcspi_probe(struct platform_device *pdev)
 		status = -ENODEV;
 		goto err1;
 	}
+
+	r->start += pdata->regs_offset;
+	r->end += pdata->regs_offset;
+	mcspi->phys = r->start;
 	if (!request_mem_region(r->start, resource_size(r),
 				dev_name(&pdev->dev))) {
 		status = -EBUSY;
 		goto err1;
 	}
 
-	r->start += pdata->regs_offset;
-	r->end += pdata->regs_offset;
-	mcspi->phys = r->start;
 	mcspi->base = ioremap(r->start, resource_size(r));
 	if (!mcspi->base) {
 		dev_dbg(&pdev->dev, "can't ioremap MCSPI\n");
diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c
index 9421a390a5e3..13448c832c44 100644
--- a/drivers/spi/spi-orion.c
+++ b/drivers/spi/spi-orion.c
@@ -17,6 +17,7 @@
 #include <linux/io.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/orion_spi.h>
+#include <linux/module.h>
 #include <asm/unaligned.h>
 
 #define DRIVER_NAME			"orion_spi"
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index 730b4a37b823..f103e470cb63 100644
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -113,7 +113,6 @@
 #define SSP_CR0_MASK_CSS_ST	(0x1FUL << 16)
 #define SSP_CR0_MASK_FRF_ST	(0x3UL << 21)
 
-
 /*
  * SSP Control Register 0  - SSP_CR1
  */
@@ -283,7 +282,6 @@
 
 #define SPI_POLLING_TIMEOUT 1000
 
-
 /*
  * The type of reading going on on this chip
  */
@@ -515,9 +513,6 @@ static void giveback(struct pl022 *pl022)
 	if (msg->complete)
 		msg->complete(msg->context);
 	/* This message is completed, so let's turn off the clocks & power */
-	clk_disable(pl022->clk);
-	amba_pclk_disable(pl022->adev);
-	amba_vcore_disable(pl022->adev);
 	pm_runtime_put(&pl022->adev->dev);
 }
 
@@ -752,7 +747,6 @@ static void readwriter(struct pl022 *pl022)
 	 */
 }
 
-
 /**
  * next_transfer - Move to the Next transfer in the current spi message
  * @pl022: SSP driver private data structure
@@ -1019,14 +1013,14 @@ static int configure_dma(struct pl022 *pl022)
 	dmaengine_slave_config(txchan, &tx_conf);
 
 	/* Create sglists for the transfers */
-	pages = (pl022->cur_transfer->len >> PAGE_SHIFT) + 1;
+	pages = DIV_ROUND_UP(pl022->cur_transfer->len, PAGE_SIZE);
 	dev_dbg(&pl022->adev->dev, "using %d pages for transfer\n", pages);
 
-	ret = sg_alloc_table(&pl022->sgt_rx, pages, GFP_KERNEL);
+	ret = sg_alloc_table(&pl022->sgt_rx, pages, GFP_ATOMIC);
 	if (ret)
 		goto err_alloc_rx_sg;
 
-	ret = sg_alloc_table(&pl022->sgt_tx, pages, GFP_KERNEL);
+	ret = sg_alloc_table(&pl022->sgt_tx, pages, GFP_ATOMIC);
 	if (ret)
 		goto err_alloc_tx_sg;
 
@@ -1534,8 +1528,7 @@ static void pump_messages(struct work_struct *work)
 	/* Initial message state */
 	pl022->cur_msg->state = STATE_START;
 	pl022->cur_transfer = list_entry(pl022->cur_msg->transfers.next,
-					    struct spi_transfer,
-					    transfer_list);
+					    struct spi_transfer, transfer_list);
 
 	/* Setup the SPI using the per chip configuration */
 	pl022->cur_chip = spi_get_ctldata(pl022->cur_msg->spi);
@@ -1545,9 +1538,6 @@ static void pump_messages(struct work_struct *work)
 	 * (poll/interrupt/DMA)
 	 */
 	pm_runtime_get_sync(&pl022->adev->dev);
-	amba_vcore_enable(pl022->adev);
-	amba_pclk_enable(pl022->adev);
-	clk_enable(pl022->clk);
 	restore_state(pl022);
 	flush(pl022);
 
@@ -1557,7 +1547,6 @@ static void pump_messages(struct work_struct *work)
 		do_interrupt_dma_transfer(pl022);
 }
 
-
 static int __init init_queue(struct pl022 *pl022)
 {
 	INIT_LIST_HEAD(&pl022->queue);
@@ -1566,8 +1555,8 @@ static int __init init_queue(struct pl022 *pl022)
 	pl022->running = false;
 	pl022->busy = false;
 
-	tasklet_init(&pl022->pump_transfers,
-			pump_transfers,	(unsigned long)pl022);
+	tasklet_init(&pl022->pump_transfers, pump_transfers,
+			(unsigned long)pl022);
 
 	INIT_WORK(&pl022->pump_messages, pump_messages);
 	pl022->workqueue = create_singlethread_workqueue(
@@ -1578,7 +1567,6 @@ static int __init init_queue(struct pl022 *pl022)
 	return 0;
 }
 
-
 static int start_queue(struct pl022 *pl022)
 {
 	unsigned long flags;
@@ -1601,7 +1589,6 @@ static int start_queue(struct pl022 *pl022)
 	return 0;
 }
 
-
 static int stop_queue(struct pl022 *pl022)
 {
 	unsigned long flags;
@@ -1797,71 +1784,70 @@ static int pl022_transfer(struct spi_device *spi, struct spi_message *msg)
 	return 0;
 }
 
-static int calculate_effective_freq(struct pl022 *pl022,
-				    int freq,
-				    struct ssp_clock_params *clk_freq)
+static inline u32 spi_rate(u32 rate, u16 cpsdvsr, u16 scr)
+{
+	return rate / (cpsdvsr * (1 + scr));
+}
+
+static int calculate_effective_freq(struct pl022 *pl022, int freq, struct
+				    ssp_clock_params * clk_freq)
 {
 	/* Lets calculate the frequency parameters */
-	u16 cpsdvsr = 2;
-	u16 scr = 0;
-	bool freq_found = false;
-	u32 rate;
-	u32 max_tclk;
-	u32 min_tclk;
+	u16 cpsdvsr = CPSDVR_MIN, scr = SCR_MIN;
+	u32 rate, max_tclk, min_tclk, best_freq = 0, best_cpsdvsr = 0,
+		best_scr = 0, tmp, found = 0;
 
 	rate = clk_get_rate(pl022->clk);
 	/* cpsdvscr = 2 & scr 0 */
-	max_tclk = (rate / (CPSDVR_MIN * (1 + SCR_MIN)));
+	max_tclk = spi_rate(rate, CPSDVR_MIN, SCR_MIN);
 	/* cpsdvsr = 254 & scr = 255 */
-	min_tclk = (rate / (CPSDVR_MAX * (1 + SCR_MAX)));
-
-	if ((freq <= max_tclk) && (freq >= min_tclk)) {
-		while (cpsdvsr <= CPSDVR_MAX && !freq_found) {
-			while (scr <= SCR_MAX && !freq_found) {
-				if ((rate /
-				     (cpsdvsr * (1 + scr))) > freq)
-					scr += 1;
-				else {
-					/*
-					 * This bool is made true when
-					 * effective frequency >=
-					 * target frequency is found
-					 */
-					freq_found = true;
-					if ((rate /
-					     (cpsdvsr * (1 + scr))) != freq) {
-						if (scr == SCR_MIN) {
-							cpsdvsr -= 2;
-							scr = SCR_MAX;
-						} else
-							scr -= 1;
-					}
-				}
-			}
-			if (!freq_found) {
-				cpsdvsr += 2;
-				scr = SCR_MIN;
-			}
-		}
-		if (cpsdvsr != 0) {
-			dev_dbg(&pl022->adev->dev,
-				"SSP Effective Frequency is %u\n",
-				(rate / (cpsdvsr * (1 + scr))));
-			clk_freq->cpsdvsr = (u8) (cpsdvsr & 0xFF);
-			clk_freq->scr = (u8) (scr & 0xFF);
-			dev_dbg(&pl022->adev->dev,
-				"SSP cpsdvsr = %d, scr = %d\n",
-				clk_freq->cpsdvsr, clk_freq->scr);
-		}
-	} else {
+	min_tclk = spi_rate(rate, CPSDVR_MAX, SCR_MAX);
+
+	if (!((freq <= max_tclk) && (freq >= min_tclk))) {
 		dev_err(&pl022->adev->dev,
 			"controller data is incorrect: out of range frequency");
 		return -EINVAL;
 	}
+
+	/*
+	 * best_freq will give closest possible available rate (<= requested
+	 * freq) for all values of scr & cpsdvsr.
+	 */
+	while ((cpsdvsr <= CPSDVR_MAX) && !found) {
+		while (scr <= SCR_MAX) {
+			tmp = spi_rate(rate, cpsdvsr, scr);
+
+			if (tmp > freq)
+				scr++;
+			/*
+			 * If found exact value, update and break.
+			 * If found more closer value, update and continue.
+			 */
+			else if ((tmp == freq) || (tmp > best_freq)) {
+				best_freq = tmp;
+				best_cpsdvsr = cpsdvsr;
+				best_scr = scr;
+
+				if (tmp == freq)
+					break;
+			}
+			scr++;
+		}
+		cpsdvsr += 2;
+		scr = SCR_MIN;
+	}
+
+	clk_freq->cpsdvsr = (u8) (best_cpsdvsr & 0xFF);
+	clk_freq->scr = (u8) (best_scr & 0xFF);
+	dev_dbg(&pl022->adev->dev,
+		"SSP Target Frequency is: %u, Effective Frequency is %u\n",
+		freq, best_freq);
+	dev_dbg(&pl022->adev->dev, "SSP cpsdvsr = %d, scr = %d\n",
+		clk_freq->cpsdvsr, clk_freq->scr);
+
 	return 0;
 }
 
-
 /*
  * A piece of default chip info unless the platform
  * supplies it.
@@ -1879,7 +1865,6 @@ static const struct pl022_config_chip pl022_default_chip_info = {
 	.cs_control = null_cs_control,
 };
 
-
 /**
  * pl022_setup - setup function registered to SPI master framework
  * @spi: spi device which is requesting setup
@@ -1956,7 +1941,6 @@ static int pl022_setup(struct spi_device *spi)
 		goto err_config_params;
 	}
 
-
 	status = verify_controller_parameters(pl022, chip_info);
 	if (status) {
 		dev_err(&spi->dev, "controller data is incorrect");
@@ -2096,7 +2080,8 @@ static int pl022_setup(struct spi_device *spi)
 	}
 	SSP_WRITE_BITS(chip->cr1, SSP_DISABLED, SSP_CR1_MASK_SSE, 1);
 	SSP_WRITE_BITS(chip->cr1, chip_info->hierarchy, SSP_CR1_MASK_MS, 2);
-	SSP_WRITE_BITS(chip->cr1, chip_info->slave_tx_disable, SSP_CR1_MASK_SOD, 3);
+	SSP_WRITE_BITS(chip->cr1, chip_info->slave_tx_disable, SSP_CR1_MASK_SOD,
+		3);
 
 	/* Save controller_state */
 	spi_set_ctldata(spi, chip);
@@ -2122,7 +2107,6 @@ static void pl022_cleanup(struct spi_device *spi)
 	kfree(chip);
 }
 
-
 static int __devinit
 pl022_probe(struct amba_device *adev, const struct amba_id *id)
 {
@@ -2186,8 +2170,6 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id)
 	}
 	printk(KERN_INFO "pl022: mapped registers from 0x%08x to %p\n",
 	       adev->res.start, pl022->virtbase);
-	pm_runtime_enable(dev);
-	pm_runtime_resume(dev);
 
 	pl022->clk = clk_get(&adev->dev, NULL);
 	if (IS_ERR(pl022->clk)) {
@@ -2196,6 +2178,12 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id)
 		goto err_no_clk;
 	}
 
+	status = clk_prepare(pl022->clk);
+	if (status) {
+		dev_err(&adev->dev, "could not prepare SSP/SPI bus clock\n");
+		goto  err_clk_prep;
+	}
+
 	/* Disable SSP */
 	writew((readw(SSP_CR1(pl022->virtbase)) & (~SSP_CR1_MASK_SSE)),
 	       SSP_CR1(pl022->virtbase));
@@ -2235,22 +2223,22 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id)
 		goto err_spi_register;
 	}
 	dev_dbg(dev, "probe succeeded\n");
-	/*
-	 * Disable the silicon block pclk and any voltage domain and just
-	 * power it up and clock it when it's needed
-	 */
-	amba_pclk_disable(adev);
-	amba_vcore_disable(adev);
+
+	/* let runtime pm put suspend */
+	pm_runtime_put(dev);
 	return 0;
 
  err_spi_register:
  err_start_queue:
  err_init_queue:
 	destroy_queue(pl022);
-	pl022_dma_remove(pl022);
+	if (platform_info->enable_dma)
+		pl022_dma_remove(pl022);
+
 	free_irq(adev->irq[0], pl022);
-	pm_runtime_disable(&adev->dev);
  err_no_irq:
+	clk_unprepare(pl022->clk);
+ err_clk_prep:
 	clk_put(pl022->clk);
  err_no_clk:
 	iounmap(pl022->virtbase);
@@ -2271,13 +2259,22 @@ pl022_remove(struct amba_device *adev)
 	if (!pl022)
 		return 0;
 
+	/*
+	 * undo pm_runtime_put() in probe.  I assume that we're not
+	 * accessing the primecell here.
+	 */
+	pm_runtime_get_noresume(&adev->dev);
+
 	/* Remove the queue */
 	if (destroy_queue(pl022) != 0)
 		dev_err(&adev->dev, "queue remove failed\n");
 	load_ssp_default_config(pl022);
-	pl022_dma_remove(pl022);
+	if (pl022->master_info->enable_dma)
+		pl022_dma_remove(pl022);
+
 	free_irq(adev->irq[0], pl022);
 	clk_disable(pl022->clk);
+	clk_unprepare(pl022->clk);
 	clk_put(pl022->clk);
 	iounmap(pl022->virtbase);
 	amba_release_regions(adev);
@@ -2288,46 +2285,70 @@ pl022_remove(struct amba_device *adev)
 	return 0;
 }
 
-#ifdef CONFIG_PM
-static int pl022_suspend(struct amba_device *adev, pm_message_t state)
+#ifdef CONFIG_SUSPEND
+static int pl022_suspend(struct device *dev)
 {
-	struct pl022 *pl022 = amba_get_drvdata(adev);
+	struct pl022 *pl022 = dev_get_drvdata(dev);
 	int status = 0;
 
 	status = stop_queue(pl022);
 	if (status) {
-		dev_warn(&adev->dev, "suspend cannot stop queue\n");
+		dev_warn(dev, "suspend cannot stop queue\n");
 		return status;
 	}
 
-	amba_vcore_enable(adev);
-	amba_pclk_enable(adev);
+	amba_vcore_enable(pl022->adev);
+	amba_pclk_enable(pl022->adev);
 	load_ssp_default_config(pl022);
-	amba_pclk_disable(adev);
-	amba_vcore_disable(adev);
-	dev_dbg(&adev->dev, "suspended\n");
+	amba_pclk_disable(pl022->adev);
+	amba_vcore_disable(pl022->adev);
+	dev_dbg(dev, "suspended\n");
 	return 0;
 }
 
-static int pl022_resume(struct amba_device *adev)
+static int pl022_resume(struct device *dev)
 {
-	struct pl022 *pl022 = amba_get_drvdata(adev);
+	struct pl022 *pl022 = dev_get_drvdata(dev);
 	int status = 0;
 
 	/* Start the queue running */
 	status = start_queue(pl022);
 	if (status)
-		dev_err(&adev->dev, "problem starting queue (%d)\n", status);
+		dev_err(dev, "problem starting queue (%d)\n", status);
 	else
-		dev_dbg(&adev->dev, "resumed\n");
+		dev_dbg(dev, "resumed\n");
 
 	return status;
 }
-#else
-#define pl022_suspend NULL
-#define pl022_resume NULL
 #endif	/* CONFIG_PM */
 
+#ifdef CONFIG_PM_RUNTIME
+static int pl022_runtime_suspend(struct device *dev)
+{
+	struct pl022 *pl022 = dev_get_drvdata(dev);
+
+	clk_disable(pl022->clk);
+	amba_vcore_disable(pl022->adev);
+
+	return 0;
+}
+
+static int pl022_runtime_resume(struct device *dev)
+{
+	struct pl022 *pl022 = dev_get_drvdata(dev);
+
+	amba_vcore_enable(pl022->adev);
+	clk_enable(pl022->clk);
+
+	return 0;
+}
+#endif
+
+static const struct dev_pm_ops pl022_dev_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(pl022_suspend, pl022_resume)
+	SET_RUNTIME_PM_OPS(pl022_runtime_suspend, pl022_runtime_resume, NULL)
+};
+
 static struct vendor_data vendor_arm = {
 	.fifodepth = 8,
 	.max_bpw = 16,
@@ -2337,7 +2358,6 @@ static struct vendor_data vendor_arm = {
 	.loopback = true,
 };
 
-
 static struct vendor_data vendor_st = {
 	.fifodepth = 32,
 	.max_bpw = 32,
@@ -2392,9 +2412,9 @@ static struct amba_id pl022_ids[] = {
 		 * and 32 locations deep TX/RX FIFO but no extended
 		 * CR0/CR1 register
 		 */
-		.id     = 0x00080023,
-		.mask   = 0xffffffff,
-		.data   = &vendor_st_pl023,
+		.id	= 0x00080023,
+		.mask	= 0xffffffff,
+		.data	= &vendor_st_pl023,
 	},
 	{
 		.id	= 0x10080023,
@@ -2407,27 +2427,23 @@ static struct amba_id pl022_ids[] = {
 static struct amba_driver pl022_driver = {
 	.drv = {
 		.name	= "ssp-pl022",
+		.pm	= &pl022_dev_pm_ops,
 	},
 	.id_table	= pl022_ids,
 	.probe		= pl022_probe,
 	.remove		= __devexit_p(pl022_remove),
-	.suspend        = pl022_suspend,
-	.resume         = pl022_resume,
 };
 
-
 static int __init pl022_init(void)
 {
 	return amba_driver_register(&pl022_driver);
 }
-
 subsys_initcall(pl022_init);
 
 static void __exit pl022_exit(void)
 {
 	amba_driver_unregister(&pl022_driver);
 }
-
 module_exit(pl022_exit);
 
 MODULE_AUTHOR("Linus Walleij <linus.walleij@stericsson.com>");
diff --git a/drivers/spi/spi-ppc4xx.c b/drivers/spi/spi-ppc4xx.c
index b267fd901e54..98ec53285fc7 100644
--- a/drivers/spi/spi-ppc4xx.c
+++ b/drivers/spi/spi-ppc4xx.c
@@ -514,7 +514,7 @@ static int __init spi_ppc4xx_of_probe(struct platform_device *op)
 	/* Request IRQ */
 	hw->irqnum = irq_of_parse_and_map(np, 0);
 	ret = request_irq(hw->irqnum, spi_ppc4xx_int,
-			  IRQF_DISABLED, "spi_ppc4xx_of", (void *)hw);
+			  0, "spi_ppc4xx_of", (void *)hw);
 	if (ret) {
 		dev_err(dev, "unable to allocate interrupt\n");
 		goto free_gpios;
@@ -594,18 +594,7 @@ static struct platform_driver spi_ppc4xx_of_driver = {
 		.of_match_table = spi_ppc4xx_of_match,
 	},
 };
-
-static int __init spi_ppc4xx_init(void)
-{
-	return platform_driver_register(&spi_ppc4xx_of_driver);
-}
-module_init(spi_ppc4xx_init);
-
-static void __exit spi_ppc4xx_exit(void)
-{
-	platform_driver_unregister(&spi_ppc4xx_of_driver);
-}
-module_exit(spi_ppc4xx_exit);
+module_platform_driver(spi_ppc4xx_of_driver);
 
 MODULE_AUTHOR("Gary Jennejohn & Stefan Roese");
 MODULE_DESCRIPTION("Simple PPC4xx SPI Driver");
diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c
index 378e504f89eb..8caa07d58e69 100644
--- a/drivers/spi/spi-pxa2xx-pci.c
+++ b/drivers/spi/spi-pxa2xx-pci.c
@@ -5,6 +5,7 @@
 #include <linux/pci.h>
 #include <linux/platform_device.h>
 #include <linux/of_device.h>
+#include <linux/module.h>
 #include <linux/spi/pxa2xx_spi.h>
 
 struct ce4100_info {
diff --git a/drivers/spi/spi-s3c24xx.c b/drivers/spi/spi-s3c24xx.c
index 1996ac57ef91..fc064535f4fc 100644
--- a/drivers/spi/spi-s3c24xx.c
+++ b/drivers/spi/spi-s3c24xx.c
@@ -24,6 +24,7 @@
 
 #include <linux/spi/spi.h>
 #include <linux/spi/spi_bitbang.h>
+#include <linux/module.h>
 
 #include <plat/regs-spi.h>
 #include <mach/spi.h>
@@ -505,7 +506,7 @@ static void s3c24xx_spi_initialsetup(struct s3c24xx_spi *hw)
 	}
 }
 
-static int __init s3c24xx_spi_probe(struct platform_device *pdev)
+static int __devinit s3c24xx_spi_probe(struct platform_device *pdev)
 {
 	struct s3c2410_spi_info *pdata;
 	struct s3c24xx_spi *hw;
@@ -661,7 +662,7 @@ static int __init s3c24xx_spi_probe(struct platform_device *pdev)
 	return err;
 }
 
-static int __exit s3c24xx_spi_remove(struct platform_device *dev)
+static int __devexit s3c24xx_spi_remove(struct platform_device *dev)
 {
 	struct s3c24xx_spi *hw = platform_get_drvdata(dev);
 
@@ -719,26 +720,15 @@ static const struct dev_pm_ops s3c24xx_spi_pmops = {
 
 MODULE_ALIAS("platform:s3c2410-spi");
 static struct platform_driver s3c24xx_spi_driver = {
-	.remove		= __exit_p(s3c24xx_spi_remove),
+	.probe		= s3c24xx_spi_probe,
+	.remove		= __devexit_p(s3c24xx_spi_remove),
 	.driver		= {
 		.name	= "s3c2410-spi",
 		.owner	= THIS_MODULE,
 		.pm	= S3C24XX_SPI_PMOPS,
 	},
 };
-
-static int __init s3c24xx_spi_init(void)
-{
-        return platform_driver_probe(&s3c24xx_spi_driver, s3c24xx_spi_probe);
-}
-
-static void __exit s3c24xx_spi_exit(void)
-{
-        platform_driver_unregister(&s3c24xx_spi_driver);
-}
-
-module_init(s3c24xx_spi_init);
-module_exit(s3c24xx_spi_exit);
+module_platform_driver(s3c24xx_spi_driver);
 
 MODULE_DESCRIPTION("S3C24XX SPI Driver");
 MODULE_AUTHOR("Ben Dooks, <ben@simtec.co.uk>");
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 595dacc7645f..019a7163572f 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -131,6 +131,12 @@
 #define RXBUSY    (1<<2)
 #define TXBUSY    (1<<3)
 
+struct s3c64xx_spi_dma_data {
+	unsigned		ch;
+	enum dma_data_direction direction;
+	enum dma_ch	dmach;
+};
+
 /**
  * struct s3c64xx_spi_driver_data - Runtime info holder for SPI driver.
  * @clk: Pointer to the spi clock.
@@ -164,13 +170,14 @@ struct s3c64xx_spi_driver_data {
 	struct work_struct              work;
 	struct list_head                queue;
 	spinlock_t                      lock;
-	enum dma_ch                     rx_dmach;
-	enum dma_ch                     tx_dmach;
 	unsigned long                   sfr_start;
 	struct completion               xfer_completion;
 	unsigned                        state;
 	unsigned                        cur_mode, cur_bpw;
 	unsigned                        cur_speed;
+	struct s3c64xx_spi_dma_data	rx_dma;
+	struct s3c64xx_spi_dma_data	tx_dma;
+	struct samsung_dma_ops		*ops;
 };
 
 static struct s3c2410_dma_client s3c64xx_spi_dma_client = {
@@ -226,6 +233,78 @@ static void flush_fifo(struct s3c64xx_spi_driver_data *sdd)
 	writel(val, regs + S3C64XX_SPI_CH_CFG);
 }
 
+static void s3c64xx_spi_dmacb(void *data)
+{
+	struct s3c64xx_spi_driver_data *sdd;
+	struct s3c64xx_spi_dma_data *dma = data;
+	unsigned long flags;
+
+	if (dma->direction == DMA_FROM_DEVICE)
+		sdd = container_of(data,
+			struct s3c64xx_spi_driver_data, rx_dma);
+	else
+		sdd = container_of(data,
+			struct s3c64xx_spi_driver_data, tx_dma);
+
+	spin_lock_irqsave(&sdd->lock, flags);
+
+	if (dma->direction == DMA_FROM_DEVICE) {
+		sdd->state &= ~RXBUSY;
+		if (!(sdd->state & TXBUSY))
+			complete(&sdd->xfer_completion);
+	} else {
+		sdd->state &= ~TXBUSY;
+		if (!(sdd->state & RXBUSY))
+			complete(&sdd->xfer_completion);
+	}
+
+	spin_unlock_irqrestore(&sdd->lock, flags);
+}
+
+static void prepare_dma(struct s3c64xx_spi_dma_data *dma,
+					unsigned len, dma_addr_t buf)
+{
+	struct s3c64xx_spi_driver_data *sdd;
+	struct samsung_dma_prep_info info;
+
+	if (dma->direction == DMA_FROM_DEVICE)
+		sdd = container_of((void *)dma,
+			struct s3c64xx_spi_driver_data, rx_dma);
+	else
+		sdd = container_of((void *)dma,
+			struct s3c64xx_spi_driver_data, tx_dma);
+
+	info.cap = DMA_SLAVE;
+	info.len = len;
+	info.fp = s3c64xx_spi_dmacb;
+	info.fp_param = dma;
+	info.direction = dma->direction;
+	info.buf = buf;
+
+	sdd->ops->prepare(dma->ch, &info);
+	sdd->ops->trigger(dma->ch);
+}
+
+static int acquire_dma(struct s3c64xx_spi_driver_data *sdd)
+{
+	struct samsung_dma_info info;
+
+	sdd->ops = samsung_dma_get_ops();
+
+	info.cap = DMA_SLAVE;
+	info.client = &s3c64xx_spi_dma_client;
+	info.width = sdd->cur_bpw / 8;
+
+	info.direction = sdd->rx_dma.direction;
+	info.fifo = sdd->sfr_start + S3C64XX_SPI_RX_DATA;
+	sdd->rx_dma.ch = sdd->ops->request(sdd->rx_dma.dmach, &info);
+	info.direction =  sdd->tx_dma.direction;
+	info.fifo = sdd->sfr_start + S3C64XX_SPI_TX_DATA;
+	sdd->tx_dma.ch = sdd->ops->request(sdd->tx_dma.dmach, &info);
+
+	return 1;
+}
+
 static void enable_datapath(struct s3c64xx_spi_driver_data *sdd,
 				struct spi_device *spi,
 				struct spi_transfer *xfer, int dma_mode)
@@ -258,10 +337,7 @@ static void enable_datapath(struct s3c64xx_spi_driver_data *sdd,
 		chcfg |= S3C64XX_SPI_CH_TXCH_ON;
 		if (dma_mode) {
 			modecfg |= S3C64XX_SPI_MODE_TXDMA_ON;
-			s3c2410_dma_config(sdd->tx_dmach, sdd->cur_bpw / 8);
-			s3c2410_dma_enqueue(sdd->tx_dmach, (void *)sdd,
-						xfer->tx_dma, xfer->len);
-			s3c2410_dma_ctrl(sdd->tx_dmach, S3C2410_DMAOP_START);
+			prepare_dma(&sdd->tx_dma, xfer->len, xfer->tx_dma);
 		} else {
 			switch (sdd->cur_bpw) {
 			case 32:
@@ -293,10 +369,7 @@ static void enable_datapath(struct s3c64xx_spi_driver_data *sdd,
 			writel(((xfer->len * 8 / sdd->cur_bpw) & 0xffff)
 					| S3C64XX_SPI_PACKET_CNT_EN,
 					regs + S3C64XX_SPI_PACKET_CNT);
-			s3c2410_dma_config(sdd->rx_dmach, sdd->cur_bpw / 8);
-			s3c2410_dma_enqueue(sdd->rx_dmach, (void *)sdd,
-						xfer->rx_dma, xfer->len);
-			s3c2410_dma_ctrl(sdd->rx_dmach, S3C2410_DMAOP_START);
+			prepare_dma(&sdd->rx_dma, xfer->len, xfer->rx_dma);
 		}
 	}
 
@@ -482,46 +555,6 @@ static void s3c64xx_spi_config(struct s3c64xx_spi_driver_data *sdd)
 	}
 }
 
-static void s3c64xx_spi_dma_rxcb(struct s3c2410_dma_chan *chan, void *buf_id,
-				 int size, enum s3c2410_dma_buffresult res)
-{
-	struct s3c64xx_spi_driver_data *sdd = buf_id;
-	unsigned long flags;
-
-	spin_lock_irqsave(&sdd->lock, flags);
-
-	if (res == S3C2410_RES_OK)
-		sdd->state &= ~RXBUSY;
-	else
-		dev_err(&sdd->pdev->dev, "DmaAbrtRx-%d\n", size);
-
-	/* If the other done */
-	if (!(sdd->state & TXBUSY))
-		complete(&sdd->xfer_completion);
-
-	spin_unlock_irqrestore(&sdd->lock, flags);
-}
-
-static void s3c64xx_spi_dma_txcb(struct s3c2410_dma_chan *chan, void *buf_id,
-				 int size, enum s3c2410_dma_buffresult res)
-{
-	struct s3c64xx_spi_driver_data *sdd = buf_id;
-	unsigned long flags;
-
-	spin_lock_irqsave(&sdd->lock, flags);
-
-	if (res == S3C2410_RES_OK)
-		sdd->state &= ~TXBUSY;
-	else
-		dev_err(&sdd->pdev->dev, "DmaAbrtTx-%d \n", size);
-
-	/* If the other done */
-	if (!(sdd->state & RXBUSY))
-		complete(&sdd->xfer_completion);
-
-	spin_unlock_irqrestore(&sdd->lock, flags);
-}
-
 #define XFER_DMAADDR_INVALID DMA_BIT_MASK(32)
 
 static int s3c64xx_spi_map_mssg(struct s3c64xx_spi_driver_data *sdd,
@@ -696,12 +729,10 @@ static void handle_msg(struct s3c64xx_spi_driver_data *sdd,
 			if (use_dma) {
 				if (xfer->tx_buf != NULL
 						&& (sdd->state & TXBUSY))
-					s3c2410_dma_ctrl(sdd->tx_dmach,
-							S3C2410_DMAOP_FLUSH);
+					sdd->ops->stop(sdd->tx_dma.ch);
 				if (xfer->rx_buf != NULL
 						&& (sdd->state & RXBUSY))
-					s3c2410_dma_ctrl(sdd->rx_dmach,
-							S3C2410_DMAOP_FLUSH);
+					sdd->ops->stop(sdd->rx_dma.ch);
 			}
 
 			goto out;
@@ -739,30 +770,6 @@ out:
 		msg->complete(msg->context);
 }
 
-static int acquire_dma(struct s3c64xx_spi_driver_data *sdd)
-{
-	if (s3c2410_dma_request(sdd->rx_dmach,
-					&s3c64xx_spi_dma_client, NULL) < 0) {
-		dev_err(&sdd->pdev->dev, "cannot get RxDMA\n");
-		return 0;
-	}
-	s3c2410_dma_set_buffdone_fn(sdd->rx_dmach, s3c64xx_spi_dma_rxcb);
-	s3c2410_dma_devconfig(sdd->rx_dmach, S3C2410_DMASRC_HW,
-					sdd->sfr_start + S3C64XX_SPI_RX_DATA);
-
-	if (s3c2410_dma_request(sdd->tx_dmach,
-					&s3c64xx_spi_dma_client, NULL) < 0) {
-		dev_err(&sdd->pdev->dev, "cannot get TxDMA\n");
-		s3c2410_dma_free(sdd->rx_dmach, &s3c64xx_spi_dma_client);
-		return 0;
-	}
-	s3c2410_dma_set_buffdone_fn(sdd->tx_dmach, s3c64xx_spi_dma_txcb);
-	s3c2410_dma_devconfig(sdd->tx_dmach, S3C2410_DMASRC_MEM,
-					sdd->sfr_start + S3C64XX_SPI_TX_DATA);
-
-	return 1;
-}
-
 static void s3c64xx_spi_work(struct work_struct *work)
 {
 	struct s3c64xx_spi_driver_data *sdd = container_of(work,
@@ -799,8 +806,8 @@ static void s3c64xx_spi_work(struct work_struct *work)
 	spin_unlock_irqrestore(&sdd->lock, flags);
 
 	/* Free DMA channels */
-	s3c2410_dma_free(sdd->tx_dmach, &s3c64xx_spi_dma_client);
-	s3c2410_dma_free(sdd->rx_dmach, &s3c64xx_spi_dma_client);
+	sdd->ops->release(sdd->rx_dma.ch, &s3c64xx_spi_dma_client);
+	sdd->ops->release(sdd->tx_dma.ch, &s3c64xx_spi_dma_client);
 }
 
 static int s3c64xx_spi_transfer(struct spi_device *spi,
@@ -1017,8 +1024,10 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev)
 	sdd->cntrlr_info = sci;
 	sdd->pdev = pdev;
 	sdd->sfr_start = mem_res->start;
-	sdd->tx_dmach = dmatx_res->start;
-	sdd->rx_dmach = dmarx_res->start;
+	sdd->tx_dma.dmach = dmatx_res->start;
+	sdd->tx_dma.direction = DMA_TO_DEVICE;
+	sdd->rx_dma.dmach = dmarx_res->start;
+	sdd->rx_dma.direction = DMA_FROM_DEVICE;
 
 	sdd->cur_bpw = 8;
 
@@ -1106,7 +1115,7 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev)
 					pdev->id, master->num_chipselect);
 	dev_dbg(&pdev->dev, "\tIOmem=[0x%x-0x%x]\tDMA=[Rx-%d, Tx-%d]\n",
 					mem_res->end, mem_res->start,
-					sdd->rx_dmach, sdd->tx_dmach);
+					sdd->rx_dma.dmach, sdd->tx_dma.dmach);
 
 	return 0;
 
diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c
index e00d94b22250..1f466bc66d9d 100644
--- a/drivers/spi/spi-sh-msiof.c
+++ b/drivers/spi/spi-sh-msiof.c
@@ -19,6 +19,7 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 
@@ -635,7 +636,7 @@ static int sh_msiof_spi_probe(struct platform_device *pdev)
 		goto err2;
 	}
 
-	ret = request_irq(i, sh_msiof_spi_irq, IRQF_DISABLED,
+	ret = request_irq(i, sh_msiof_spi_irq, 0,
 			  dev_name(&pdev->dev), p);
 	if (ret) {
 		dev_err(&pdev->dev, "unable to request irq\n");
@@ -730,18 +731,7 @@ static struct platform_driver sh_msiof_spi_drv = {
 		.pm		= &sh_msiof_spi_dev_pm_ops,
 	},
 };
-
-static int __init sh_msiof_spi_init(void)
-{
-	return platform_driver_register(&sh_msiof_spi_drv);
-}
-module_init(sh_msiof_spi_init);
-
-static void __exit sh_msiof_spi_exit(void)
-{
-	platform_driver_unregister(&sh_msiof_spi_drv);
-}
-module_exit(sh_msiof_spi_exit);
+module_platform_driver(sh_msiof_spi_drv);
 
 MODULE_DESCRIPTION("SuperH MSIOF SPI Master Interface Driver");
 MODULE_AUTHOR("Magnus Damm");
diff --git a/drivers/spi/spi-sh-sci.c b/drivers/spi/spi-sh-sci.c
index e7779c09f6ef..097e506042be 100644
--- a/drivers/spi/spi-sh-sci.c
+++ b/drivers/spi/spi-sh-sci.c
@@ -22,6 +22,7 @@
 
 #include <linux/spi/spi.h>
 #include <linux/spi/spi_bitbang.h>
+#include <linux/module.h>
 
 #include <asm/spi.h>
 #include <asm/io.h>
@@ -186,18 +187,7 @@ static struct platform_driver sh_sci_spi_drv = {
 		.owner	= THIS_MODULE,
 	},
 };
-
-static int __init sh_sci_spi_init(void)
-{
-	return platform_driver_register(&sh_sci_spi_drv);
-}
-module_init(sh_sci_spi_init);
-
-static void __exit sh_sci_spi_exit(void)
-{
-	platform_driver_unregister(&sh_sci_spi_drv);
-}
-module_exit(sh_sci_spi_exit);
+module_platform_driver(sh_sci_spi_drv);
 
 MODULE_DESCRIPTION("SH SCI SPI Driver");
 MODULE_AUTHOR("Magnus Damm <damm@opensource.se>");
diff --git a/drivers/spi/spi-sh.c b/drivers/spi/spi-sh.c
index 9eedd71ad898..70c8af9f7ccc 100644
--- a/drivers/spi/spi-sh.c
+++ b/drivers/spi/spi-sh.c
@@ -484,7 +484,7 @@ static int __devinit spi_sh_probe(struct platform_device *pdev)
 		goto error2;
 	}
 
-	ret = request_irq(irq, spi_sh_irq, IRQF_DISABLED, "spi_sh", ss);
+	ret = request_irq(irq, spi_sh_irq, 0, "spi_sh", ss);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "request_irq error\n");
 		goto error3;
@@ -524,18 +524,7 @@ static struct platform_driver spi_sh_driver = {
 		.owner = THIS_MODULE,
 	},
 };
-
-static int __init spi_sh_init(void)
-{
-	return platform_driver_register(&spi_sh_driver);
-}
-module_init(spi_sh_init);
-
-static void __exit spi_sh_exit(void)
-{
-	platform_driver_unregister(&spi_sh_driver);
-}
-module_exit(spi_sh_exit);
+module_platform_driver(spi_sh_driver);
 
 MODULE_DESCRIPTION("SH SPI bus driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/spi/spi-stmp.c b/drivers/spi/spi-stmp.c
index fadff76eb7e0..58e385285323 100644
--- a/drivers/spi/spi-stmp.c
+++ b/drivers/spi/spi-stmp.c
@@ -659,19 +659,8 @@ static struct platform_driver stmp_spi_driver = {
 	.suspend = stmp_spi_suspend,
 	.resume  = stmp_spi_resume,
 };
+module_platform_driver(stmp_spi_driver);
 
-static int __init stmp_spi_init(void)
-{
-	return platform_driver_register(&stmp_spi_driver);
-}
-
-static void __exit stmp_spi_exit(void)
-{
-	platform_driver_unregister(&stmp_spi_driver);
-}
-
-module_init(stmp_spi_init);
-module_exit(stmp_spi_exit);
 module_param(pio, int, S_IRUGO);
 module_param(clock, int, S_IRUGO);
 MODULE_AUTHOR("dmitry pervushin <dpervushin@embeddedalley.com>");
diff --git a/drivers/spi/spi-tegra.c b/drivers/spi/spi-tegra.c
index a5a6302dc8e0..ae6d78a3e912 100644
--- a/drivers/spi/spi-tegra.c
+++ b/drivers/spi/spi-tegra.c
@@ -18,6 +18,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/init.h>
 #include <linux/err.h>
 #include <linux/platform_device.h>
@@ -464,7 +465,7 @@ static int spi_tegra_transfer(struct spi_device *spi, struct spi_message *m)
 	return 0;
 }
 
-static int __init spi_tegra_probe(struct platform_device *pdev)
+static int __devinit spi_tegra_probe(struct platform_device *pdev)
 {
 	struct spi_master	*master;
 	struct spi_tegra_data	*tspi;
@@ -612,19 +613,9 @@ static struct platform_driver spi_tegra_driver = {
 		.owner =	THIS_MODULE,
 		.of_match_table = spi_tegra_of_match_table,
 	},
+	.probe =	spi_tegra_probe,
 	.remove =	__devexit_p(spi_tegra_remove),
 };
-
-static int __init spi_tegra_init(void)
-{
-	return platform_driver_probe(&spi_tegra_driver, spi_tegra_probe);
-}
-module_init(spi_tegra_init);
-
-static void __exit spi_tegra_exit(void)
-{
-	platform_driver_unregister(&spi_tegra_driver);
-}
-module_exit(spi_tegra_exit);
+module_platform_driver(spi_tegra_driver);
 
 MODULE_LICENSE("GPL");
diff --git a/drivers/spi/spi-ti-ssp.c b/drivers/spi/spi-ti-ssp.c
index ee22795c7973..3f6f6e81c655 100644
--- a/drivers/spi/spi-ti-ssp.c
+++ b/drivers/spi/spi-ti-ssp.c
@@ -22,6 +22,7 @@
 #include <linux/err.h>
 #include <linux/completion.h>
 #include <linux/delay.h>
+#include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/spi/spi.h>
 #include <linux/mfd/ti_ssp.h>
@@ -383,18 +384,7 @@ static struct platform_driver ti_ssp_spi_driver = {
 		.owner	= THIS_MODULE,
 	},
 };
-
-static int __init ti_ssp_spi_init(void)
-{
-	return platform_driver_register(&ti_ssp_spi_driver);
-}
-module_init(ti_ssp_spi_init);
-
-static void __exit ti_ssp_spi_exit(void)
-{
-	platform_driver_unregister(&ti_ssp_spi_driver);
-}
-module_exit(ti_ssp_spi_exit);
+module_platform_driver(ti_ssp_spi_driver);
 
 MODULE_DESCRIPTION("SSP SPI Master");
 MODULE_AUTHOR("Cyril Chemparathy");
diff --git a/drivers/spi/spi-tle62x0.c b/drivers/spi/spi-tle62x0.c
index 940e73d1cf09..0ce5c12aab55 100644
--- a/drivers/spi/spi-tle62x0.c
+++ b/drivers/spi/spi-tle62x0.c
@@ -11,6 +11,7 @@
 
 #include <linux/device.h>
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/slab.h>
 
 #include <linux/spi/spi.h>
diff --git a/drivers/spi/spi-txx9.c b/drivers/spi/spi-txx9.c
index f0a2ab0428a3..d5a3cbb646cb 100644
--- a/drivers/spi/spi-txx9.c
+++ b/drivers/spi/spi-txx9.c
@@ -25,6 +25,7 @@
 #include <linux/err.h>
 #include <linux/clk.h>
 #include <linux/io.h>
+#include <linux/module.h>
 #include <asm/gpio.h>
 
 
diff --git a/drivers/spi/spi-xilinx.c b/drivers/spi/spi-xilinx.c
index 4d2c75df886c..4c5a663b9fa8 100644
--- a/drivers/spi/spi-xilinx.c
+++ b/drivers/spi/spi-xilinx.c
@@ -538,18 +538,7 @@ static struct platform_driver xilinx_spi_driver = {
 		.of_match_table = xilinx_spi_of_match,
 	},
 };
-
-static int __init xilinx_spi_pltfm_init(void)
-{
-	return platform_driver_register(&xilinx_spi_driver);
-}
-module_init(xilinx_spi_pltfm_init);
-
-static void __exit xilinx_spi_pltfm_exit(void)
-{
-	platform_driver_unregister(&xilinx_spi_driver);
-}
-module_exit(xilinx_spi_pltfm_exit);
+module_platform_driver(xilinx_spi_driver);
 
 MODULE_AUTHOR("MontaVista Software, Inc. <source@mvista.com>");
 MODULE_DESCRIPTION("Xilinx SPI driver");
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 4d1b9f517ce8..77eae99af11c 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -29,6 +29,7 @@
 #include <linux/spi/spi.h>
 #include <linux/of_spi.h>
 #include <linux/pm_runtime.h>
+#include <linux/export.h>
 
 static void spidev_release(struct device *dev)
 {