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-rw-r--r--drivers/spi/spi-pxa2xx-dma.c20
-rw-r--r--drivers/spi/spi-pxa2xx-pci.c2
-rw-r--r--drivers/spi/spi-pxa2xx.c22
-rw-r--r--drivers/spi/spi-pxa2xx.h36
4 files changed, 35 insertions, 45 deletions
diff --git a/drivers/spi/spi-pxa2xx-dma.c b/drivers/spi/spi-pxa2xx-dma.c
index 37567bc7a523..e00dbadd39ec 100644
--- a/drivers/spi/spi-pxa2xx-dma.c
+++ b/drivers/spi/spi-pxa2xx-dma.c
@@ -9,11 +9,11 @@
#include <linux/device.h>
#include <linux/dma-mapping.h>
#include <linux/dmaengine.h>
-#include <linux/pxa2xx_ssp.h>
#include <linux/scatterlist.h>
#include <linux/sizes.h>
-#include <linux/spi/spi.h>
+
#include <linux/spi/pxa2xx_spi.h>
+#include <linux/spi/spi.h>
#include "spi-pxa2xx.h"
@@ -94,14 +94,14 @@ pxa2xx_spi_dma_prepare_one(struct driver_data *drv_data,
cfg.direction = dir;
if (dir == DMA_MEM_TO_DEV) {
- cfg.dst_addr = drv_data->ssdr_physical;
+ cfg.dst_addr = drv_data->ssp->phys_base + SSDR;
cfg.dst_addr_width = width;
cfg.dst_maxburst = chip->dma_burst_size;
sgt = &xfer->tx_sg;
chan = drv_data->controller->dma_tx;
} else {
- cfg.src_addr = drv_data->ssdr_physical;
+ cfg.src_addr = drv_data->ssp->phys_base + SSDR;
cfg.src_addr_width = width;
cfg.src_maxburst = chip->dma_burst_size;
@@ -111,7 +111,7 @@ pxa2xx_spi_dma_prepare_one(struct driver_data *drv_data,
ret = dmaengine_slave_config(chan, &cfg);
if (ret) {
- dev_warn(&drv_data->pdev->dev, "DMA slave config failed\n");
+ dev_warn(drv_data->ssp->dev, "DMA slave config failed\n");
return NULL;
}
@@ -125,7 +125,7 @@ irqreturn_t pxa2xx_spi_dma_transfer(struct driver_data *drv_data)
status = pxa2xx_spi_read(drv_data, SSSR) & drv_data->mask_sr;
if (status & SSSR_ROR) {
- dev_err(&drv_data->pdev->dev, "FIFO overrun\n");
+ dev_err(drv_data->ssp->dev, "FIFO overrun\n");
dmaengine_terminate_async(drv_data->controller->dma_rx);
dmaengine_terminate_async(drv_data->controller->dma_tx);
@@ -145,16 +145,14 @@ int pxa2xx_spi_dma_prepare(struct driver_data *drv_data,
tx_desc = pxa2xx_spi_dma_prepare_one(drv_data, DMA_MEM_TO_DEV, xfer);
if (!tx_desc) {
- dev_err(&drv_data->pdev->dev,
- "failed to get DMA TX descriptor\n");
+ dev_err(drv_data->ssp->dev, "failed to get DMA TX descriptor\n");
err = -EBUSY;
goto err_tx;
}
rx_desc = pxa2xx_spi_dma_prepare_one(drv_data, DMA_DEV_TO_MEM, xfer);
if (!rx_desc) {
- dev_err(&drv_data->pdev->dev,
- "failed to get DMA RX descriptor\n");
+ dev_err(drv_data->ssp->dev, "failed to get DMA RX descriptor\n");
err = -EBUSY;
goto err_rx;
}
@@ -191,8 +189,8 @@ void pxa2xx_spi_dma_stop(struct driver_data *drv_data)
int pxa2xx_spi_dma_setup(struct driver_data *drv_data)
{
struct pxa2xx_spi_controller *pdata = drv_data->controller_info;
- struct device *dev = &drv_data->pdev->dev;
struct spi_controller *controller = drv_data->controller;
+ struct device *dev = drv_data->ssp->dev;
dma_cap_mask_t mask;
dma_cap_zero(mask);
diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c
index 1833f5876e9f..a259be12d326 100644
--- a/drivers/spi/spi-pxa2xx-pci.c
+++ b/drivers/spi/spi-pxa2xx-pci.c
@@ -8,6 +8,7 @@
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/platform_device.h>
+
#include <linux/spi/pxa2xx_spi.h>
#include <linux/dmaengine.h>
@@ -239,6 +240,7 @@ static int pxa2xx_spi_pci_probe(struct pci_dev *dev,
spi_pdata.dma_burst_size = c->dma_burst_size ? c->dma_burst_size : 1;
ssp = &spi_pdata.ssp;
+ ssp->dev = &dev->dev;
ssp->phys_base = pci_resource_start(dev, 0);
ssp->mmio_base = pcim_iomap_table(dev)[0];
ssp->port_id = (c->port_id >= 0) ? c->port_id : dev->devfn;
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index 5e59ba075bc7..1d4c7f4217ed 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -9,6 +9,7 @@
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/device.h>
+#include <linux/dmaengine.h>
#include <linux/err.h>
#include <linux/errno.h>
#include <linux/gpio/consumer.h>
@@ -25,6 +26,7 @@
#include <linux/pm_runtime.h>
#include <linux/property.h>
#include <linux/slab.h>
+
#include <linux/spi/pxa2xx_spi.h>
#include <linux/spi/spi.h>
@@ -325,7 +327,7 @@ static void lpss_ssp_setup(struct driver_data *drv_data)
u32 value;
config = lpss_get_config(drv_data);
- drv_data->lpss_base = drv_data->ioaddr + config->offset;
+ drv_data->lpss_base = drv_data->ssp->mmio_base + config->offset;
/* Enable software chip select control */
value = __lpss_ssp_read_priv(drv_data, config->reg_cs_ctrl);
@@ -628,7 +630,7 @@ static void int_error_stop(struct driver_data *drv_data, const char *msg)
pxa2xx_spi_flush(drv_data);
pxa2xx_spi_off(drv_data);
- dev_err(&drv_data->pdev->dev, "%s\n", msg);
+ dev_err(drv_data->ssp->dev, "%s\n", msg);
drv_data->controller->cur_msg->status = -EIO;
spi_finalize_current_transfer(drv_data->controller);
@@ -731,8 +733,7 @@ static void handle_bad_msg(struct driver_data *drv_data)
pxa2xx_spi_write(drv_data, SSTO, 0);
write_SSSR_CS(drv_data, drv_data->clear_sr);
- dev_err(&drv_data->pdev->dev,
- "bad message state in interrupt handler\n");
+ dev_err(drv_data->ssp->dev, "bad message state in interrupt handler\n");
}
static irqreturn_t ssp_int(int irq, void *dev_id)
@@ -748,7 +749,7 @@ static irqreturn_t ssp_int(int irq, void *dev_id)
* the IRQ was not for us (we shouldn't be RPM suspended when the
* interrupt is enabled).
*/
- if (pm_runtime_suspended(&drv_data->pdev->dev))
+ if (pm_runtime_suspended(drv_data->ssp->dev))
return IRQ_NONE;
/*
@@ -1158,7 +1159,7 @@ static int pxa2xx_spi_slave_abort(struct spi_controller *controller)
pxa2xx_spi_flush(drv_data);
pxa2xx_spi_off(drv_data);
- dev_dbg(&drv_data->pdev->dev, "transfer aborted\n");
+ dev_dbg(drv_data->ssp->dev, "transfer aborted\n");
drv_data->controller->cur_msg->status = -EINTR;
spi_finalize_current_transfer(drv_data->controller);
@@ -1645,7 +1646,7 @@ static int pxa2xx_spi_fw_translate_cs(struct spi_controller *controller,
{
struct driver_data *drv_data = spi_controller_get_devdata(controller);
- if (has_acpi_companion(&drv_data->pdev->dev)) {
+ if (has_acpi_companion(drv_data->ssp->dev)) {
switch (drv_data->ssp_type) {
/*
* For Atoms the ACPI DeviceSelection used by the Windows
@@ -1705,13 +1706,12 @@ static int pxa2xx_spi_probe(struct platform_device *pdev)
if (!controller) {
dev_err(&pdev->dev, "cannot alloc spi_controller\n");
- pxa_ssp_free(ssp);
- return -ENOMEM;
+ status = -ENOMEM;
+ goto out_error_controller_alloc;
}
drv_data = spi_controller_get_devdata(controller);
drv_data->controller = controller;
drv_data->controller_info = platform_info;
- drv_data->pdev = pdev;
drv_data->ssp = ssp;
controller->dev.of_node = pdev->dev.of_node;
@@ -1733,8 +1733,6 @@ static int pxa2xx_spi_probe(struct platform_device *pdev)
drv_data->ssp_type = ssp->type;
- drv_data->ioaddr = ssp->mmio_base;
- drv_data->ssdr_physical = ssp->phys_base + SSDR;
if (pxa25x_ssp_comp(drv_data)) {
switch (drv_data->ssp_type) {
case QUARK_X1000_SSP:
diff --git a/drivers/spi/spi-pxa2xx.h b/drivers/spi/spi-pxa2xx.h
index 1400472bc986..739e264feaa6 100644
--- a/drivers/spi/spi-pxa2xx.h
+++ b/drivers/spi/spi-pxa2xx.h
@@ -7,22 +7,20 @@
#ifndef SPI_PXA2XX_H
#define SPI_PXA2XX_H
-#include <linux/atomic.h>
-#include <linux/dmaengine.h>
-#include <linux/errno.h>
-#include <linux/io.h>
#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/pxa2xx_ssp.h>
-#include <linux/scatterlist.h>
+#include <linux/io.h>
+#include <linux/types.h>
#include <linux/sizes.h>
-#include <linux/spi/spi.h>
-#include <linux/spi/pxa2xx_spi.h>
-struct driver_data {
- /* Driver model hookup */
- struct platform_device *pdev;
+#include <linux/pxa2xx_ssp.h>
+
+struct gpio_desc;
+struct pxa2xx_spi_controller;
+struct spi_controller;
+struct spi_device;
+struct spi_transfer;
+struct driver_data {
/* SSP Info */
struct ssp_device *ssp;
@@ -33,10 +31,6 @@ struct driver_data {
/* PXA hookup */
struct pxa2xx_spi_controller *controller_info;
- /* SSP register addresses */
- void __iomem *ioaddr;
- phys_addr_t ssdr_physical;
-
/* SSP masks*/
u32 dma_cr1;
u32 int_cr1;
@@ -87,16 +81,14 @@ struct chip_data {
void (*cs_control)(u32 command);
};
-static inline u32 pxa2xx_spi_read(const struct driver_data *drv_data,
- unsigned reg)
+static inline u32 pxa2xx_spi_read(const struct driver_data *drv_data, u32 reg)
{
- return __raw_readl(drv_data->ioaddr + reg);
+ return pxa_ssp_read_reg(drv_data->ssp, reg);
}
-static inline void pxa2xx_spi_write(const struct driver_data *drv_data,
- unsigned reg, u32 val)
+static inline void pxa2xx_spi_write(const struct driver_data *drv_data, u32 reg, u32 val)
{
- __raw_writel(val, drv_data->ioaddr + reg);
+ pxa_ssp_write_reg(drv_data->ssp, reg, val);
}
#define DMA_ALIGNMENT 8
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-21 08:28:24 +0000