diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-08 11:19:11 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-08 11:19:11 -0700 |
commit | 90621ed829ac64eb25b4d1214e9a5155e5c67ff2 (patch) | |
tree | 472b2cb259bed27fc9ce7a3e6ca413b84830e58f | |
parent | 9c0fc4e28b57c5a6da7b58d60f71476c64d457a6 (diff) | |
parent | be305042b7a01a1ab03a8adfa95f57bc63e012e1 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6:
it8213: fix return value in it8213_init_one()
palm_bk3710: fix IDECLK period calculation
ide: add __ide_default_irq() inline helper
-rw-r--r-- | drivers/ide/arm/palm_bk3710.c | 38 | ||||
-rw-r--r-- | drivers/ide/ide-probe.c | 8 | ||||
-rw-r--r-- | drivers/ide/pci/it8213.c | 3 | ||||
-rw-r--r-- | drivers/ide/pci/ns87415.c | 6 | ||||
-rw-r--r-- | include/linux/ide.h | 15 |
5 files changed, 37 insertions, 33 deletions
diff --git a/drivers/ide/arm/palm_bk3710.c b/drivers/ide/arm/palm_bk3710.c index cc24803fadff..2f2b4f4cf229 100644 --- a/drivers/ide/arm/palm_bk3710.c +++ b/drivers/ide/arm/palm_bk3710.c @@ -76,7 +76,7 @@ struct palm_bk3710_udmatiming { #include "../ide-timing.h" -static long ide_palm_clk; +static unsigned ideclk_period; /* in nanoseconds */ static const struct palm_bk3710_udmatiming palm_bk3710_udmatimings[6] = { {160, 240}, /* UDMA Mode 0 */ @@ -86,8 +86,6 @@ static const struct palm_bk3710_udmatiming palm_bk3710_udmatimings[6] = { {85, 60}, /* UDMA Mode 4 */ }; -static struct clk *ideclkp; - static void palm_bk3710_setudmamode(void __iomem *base, unsigned int dev, unsigned int mode) { @@ -97,10 +95,10 @@ static void palm_bk3710_setudmamode(void __iomem *base, unsigned int dev, /* DMA Data Setup */ t0 = DIV_ROUND_UP(palm_bk3710_udmatimings[mode].cycletime, - ide_palm_clk) - 1; - tenv = DIV_ROUND_UP(20, ide_palm_clk) - 1; + ideclk_period) - 1; + tenv = DIV_ROUND_UP(20, ideclk_period) - 1; trp = DIV_ROUND_UP(palm_bk3710_udmatimings[mode].rptime, - ide_palm_clk) - 1; + ideclk_period) - 1; /* udmatim Register */ val16 = readw(base + BK3710_UDMATIM) & (dev ? 0xFF0F : 0xFFF0); @@ -141,8 +139,8 @@ static void palm_bk3710_setdmamode(void __iomem *base, unsigned int dev, cycletime = max_t(int, t->cycle, min_cycle); /* DMA Data Setup */ - t0 = DIV_ROUND_UP(cycletime, ide_palm_clk); - td = DIV_ROUND_UP(t->active, ide_palm_clk); + t0 = DIV_ROUND_UP(cycletime, ideclk_period); + td = DIV_ROUND_UP(t->active, ideclk_period); tkw = t0 - td - 1; td -= 1; @@ -168,9 +166,9 @@ static void palm_bk3710_setpiomode(void __iomem *base, ide_drive_t *mate, struct ide_timing *t; /* PIO Data Setup */ - t0 = DIV_ROUND_UP(cycletime, ide_palm_clk); + t0 = DIV_ROUND_UP(cycletime, ideclk_period); t2 = DIV_ROUND_UP(ide_timing_find_mode(XFER_PIO_0 + mode)->active, - ide_palm_clk); + ideclk_period); t2i = t0 - t2 - 1; t2 -= 1; @@ -192,8 +190,8 @@ static void palm_bk3710_setpiomode(void __iomem *base, ide_drive_t *mate, /* TASKFILE Setup */ t = ide_timing_find_mode(XFER_PIO_0 + mode); - t0 = DIV_ROUND_UP(t->cyc8b, ide_palm_clk); - t2 = DIV_ROUND_UP(t->act8b, ide_palm_clk); + t0 = DIV_ROUND_UP(t->cyc8b, ideclk_period); + t2 = DIV_ROUND_UP(t->act8b, ideclk_period); t2i = t0 - t2 - 1; t2 -= 1; @@ -350,22 +348,22 @@ static const struct ide_port_info __devinitdata palm_bk3710_port_info = { static int __devinit palm_bk3710_probe(struct platform_device *pdev) { - struct clk *clkp; + struct clk *clk; struct resource *mem, *irq; ide_hwif_t *hwif; - unsigned long base; + unsigned long base, rate; int i; hw_regs_t hw; u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; - clkp = clk_get(NULL, "IDECLK"); - if (IS_ERR(clkp)) + clk = clk_get(NULL, "IDECLK"); + if (IS_ERR(clk)) return -ENODEV; - ideclkp = clkp; - clk_enable(ideclkp); - ide_palm_clk = clk_get_rate(ideclkp)/100000; - ide_palm_clk = (10000/ide_palm_clk) + 1; + clk_enable(clk); + rate = clk_get_rate(clk); + ideclk_period = 1000000000UL / rate; + /* Register the IDE interface with Linux ATA Interface */ memset(&hw, 0, sizeof(hw)); diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index d27061b39324..26e68b65b7cf 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -1218,16 +1218,12 @@ static void drive_release_dev (struct device *dev) complete(&drive->gendev_rel_comp); } -#ifndef ide_default_irq -#define ide_default_irq(irq) 0 -#endif - static int hwif_init(ide_hwif_t *hwif) { int old_irq; if (!hwif->irq) { - hwif->irq = ide_default_irq(hwif->io_ports.data_addr); + hwif->irq = __ide_default_irq(hwif->io_ports.data_addr); if (!hwif->irq) { printk("%s: DISABLED, NO IRQ\n", hwif->name); return 0; @@ -1257,7 +1253,7 @@ static int hwif_init(ide_hwif_t *hwif) * It failed to initialise. Find the default IRQ for * this port and try that. */ - hwif->irq = ide_default_irq(hwif->io_ports.data_addr); + hwif->irq = __ide_default_irq(hwif->io_ports.data_addr); if (!hwif->irq) { printk("%s: Disabled unable to get IRQ %d.\n", hwif->name, old_irq); diff --git a/drivers/ide/pci/it8213.c b/drivers/ide/pci/it8213.c index 9053c8771e6e..2b71bdf74e73 100644 --- a/drivers/ide/pci/it8213.c +++ b/drivers/ide/pci/it8213.c @@ -184,8 +184,7 @@ static const struct ide_port_info it8213_chipsets[] __devinitdata = { static int __devinit it8213_init_one(struct pci_dev *dev, const struct pci_device_id *id) { - ide_setup_pci_device(dev, &it8213_chipsets[id->driver_data]); - return 0; + return ide_setup_pci_device(dev, &it8213_chipsets[id->driver_data]); } static const struct pci_device_id it8213_pci_tbl[] = { diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c index fec4955f449b..a7a41bb82778 100644 --- a/drivers/ide/pci/ns87415.c +++ b/drivers/ide/pci/ns87415.c @@ -225,10 +225,6 @@ static int ns87415_dma_setup(ide_drive_t *drive) return 1; } -#ifndef ide_default_irq -#define ide_default_irq(irq) 0 -#endif - static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif) { struct pci_dev *dev = to_pci_dev(hwif->dev); @@ -288,7 +284,7 @@ static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif) } if (!using_inta) - hwif->irq = ide_default_irq(hwif->io_ports.data_addr); + hwif->irq = __ide_default_irq(hwif->io_ports.data_addr); else if (!hwif->irq && hwif->mate && hwif->mate->irq) hwif->irq = hwif->mate->irq; /* share IRQ with mate */ diff --git a/include/linux/ide.h b/include/linux/ide.h index 9918772bf274..eddb6daadf4a 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -189,6 +189,21 @@ static inline void ide_std_init_ports(hw_regs_t *hw, hw->io_ports.ctl_addr = ctl_addr; } +/* for IDE PCI controllers in legacy mode, temporary */ +static inline int __ide_default_irq(unsigned long base) +{ + switch (base) { +#ifdef CONFIG_IA64 + case 0x1f0: return isa_irq_to_vector(14); + case 0x170: return isa_irq_to_vector(15); +#else + case 0x1f0: return 14; + case 0x170: return 15; +#endif + } + return 0; +} + #include <asm/ide.h> #if !defined(MAX_HWIFS) || defined(CONFIG_EMBEDDED) |