提交 7f336bf1 编写于 作者: L Linus Torvalds

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:
  ide: build-fix for CONFIG_BLK_DEV_IDEDMA_PMAC=n
  Revert "ide: respect current DMA setting during resume"
...@@ -669,10 +669,12 @@ config BLK_DEV_CELLEB ...@@ -669,10 +669,12 @@ config BLK_DEV_CELLEB
endif endif
# TODO: BLK_DEV_IDEDMA_PCI -> BLK_DEV_IDEDMA_SFF
config BLK_DEV_IDE_PMAC config BLK_DEV_IDE_PMAC
tristate "PowerMac on-board IDE support" tristate "PowerMac on-board IDE support"
depends on PPC_PMAC && IDE=y depends on PPC_PMAC && IDE=y
select IDE_TIMINGS select IDE_TIMINGS
select BLK_DEV_IDEDMA_PCI
help help
This driver provides support for the on-board IDE controller on This driver provides support for the on-board IDE controller on
most of the recent Apple Power Macintoshes and PowerBooks. most of the recent Apple Power Macintoshes and PowerBooks.
...@@ -689,16 +691,6 @@ config BLK_DEV_IDE_PMAC_ATA100FIRST ...@@ -689,16 +691,6 @@ config BLK_DEV_IDE_PMAC_ATA100FIRST
CD-ROM on hda. This option changes this to more natural hda for CD-ROM on hda. This option changes this to more natural hda for
hard disk and hdc for CD-ROM. hard disk and hdc for CD-ROM.
config BLK_DEV_IDEDMA_PMAC
bool "PowerMac IDE DMA support"
depends on BLK_DEV_IDE_PMAC
select BLK_DEV_IDEDMA_PCI
help
This option allows the driver for the on-board IDE controller on
Power Macintoshes and PowerBooks to use DMA (direct memory access)
to transfer data to and from memory. Saying Y is safe and improves
performance.
config BLK_DEV_IDE_AU1XXX config BLK_DEV_IDE_AU1XXX
bool "IDE for AMD Alchemy Au1200" bool "IDE for AMD Alchemy Au1200"
depends on SOC_AU1200 depends on SOC_AU1200
...@@ -912,7 +904,7 @@ config BLK_DEV_UMC8672 ...@@ -912,7 +904,7 @@ config BLK_DEV_UMC8672
endif endif
config BLK_DEV_IDEDMA config BLK_DEV_IDEDMA
def_bool BLK_DEV_IDEDMA_SFF || BLK_DEV_IDEDMA_PMAC || \ def_bool BLK_DEV_IDEDMA_SFF || \
BLK_DEV_IDEDMA_ICS || BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA BLK_DEV_IDEDMA_ICS || BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
endif # IDE endif # IDE
...@@ -208,7 +208,9 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request * ...@@ -208,7 +208,9 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request *
*/ */
if (drive->hwif->dma_ops == NULL) if (drive->hwif->dma_ops == NULL)
break; break;
if (drive->dev_flags & IDE_DFLAG_USING_DMA) /*
* TODO: respect IDE_DFLAG_USING_DMA
*/
ide_set_dma(drive); ide_set_dma(drive);
break; break;
} }
......
...@@ -66,7 +66,6 @@ typedef struct pmac_ide_hwif { ...@@ -66,7 +66,6 @@ typedef struct pmac_ide_hwif {
struct macio_dev *mdev; struct macio_dev *mdev;
u32 timings[4]; u32 timings[4];
volatile u32 __iomem * *kauai_fcr; volatile u32 __iomem * *kauai_fcr;
#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
/* Those fields are duplicating what is in hwif. We currently /* Those fields are duplicating what is in hwif. We currently
* can't use the hwif ones because of some assumptions that are * can't use the hwif ones because of some assumptions that are
* beeing done by the generic code about the kind of dma controller * beeing done by the generic code about the kind of dma controller
...@@ -74,8 +73,6 @@ typedef struct pmac_ide_hwif { ...@@ -74,8 +73,6 @@ typedef struct pmac_ide_hwif {
*/ */
volatile struct dbdma_regs __iomem * dma_regs; volatile struct dbdma_regs __iomem * dma_regs;
struct dbdma_cmd* dma_table_cpu; struct dbdma_cmd* dma_table_cpu;
#endif
} pmac_ide_hwif_t; } pmac_ide_hwif_t;
enum { enum {
...@@ -222,8 +219,6 @@ static const char* model_name[] = { ...@@ -222,8 +219,6 @@ static const char* model_name[] = {
#define KAUAI_FCR_UATA_RESET_N 0x00000002 #define KAUAI_FCR_UATA_RESET_N 0x00000002
#define KAUAI_FCR_UATA_ENABLE 0x00000001 #define KAUAI_FCR_UATA_ENABLE 0x00000001
#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
/* Rounded Multiword DMA timings /* Rounded Multiword DMA timings
* *
* I gave up finding a generic formula for all controller * I gave up finding a generic formula for all controller
...@@ -413,8 +408,6 @@ static int pmac_ide_build_dmatable(ide_drive_t *drive, struct request *rq); ...@@ -413,8 +408,6 @@ static int pmac_ide_build_dmatable(ide_drive_t *drive, struct request *rq);
static void pmac_ide_selectproc(ide_drive_t *drive); static void pmac_ide_selectproc(ide_drive_t *drive);
static void pmac_ide_kauai_selectproc(ide_drive_t *drive); static void pmac_ide_kauai_selectproc(ide_drive_t *drive);
#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */
#define PMAC_IDE_REG(x) \ #define PMAC_IDE_REG(x) \
((void __iomem *)((drive)->hwif->io_ports.data_addr + (x))) ((void __iomem *)((drive)->hwif->io_ports.data_addr + (x)))
...@@ -584,8 +577,6 @@ pmac_ide_set_pio_mode(ide_drive_t *drive, const u8 pio) ...@@ -584,8 +577,6 @@ pmac_ide_set_pio_mode(ide_drive_t *drive, const u8 pio)
pmac_ide_do_update_timings(drive); pmac_ide_do_update_timings(drive);
} }
#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
/* /*
* Calculate KeyLargo ATA/66 UDMA timings * Calculate KeyLargo ATA/66 UDMA timings
*/ */
...@@ -786,7 +777,6 @@ set_timings_mdma(ide_drive_t *drive, int intf_type, u32 *timings, u32 *timings2, ...@@ -786,7 +777,6 @@ set_timings_mdma(ide_drive_t *drive, int intf_type, u32 *timings, u32 *timings2,
drive->name, speed & 0xf, *timings); drive->name, speed & 0xf, *timings);
#endif #endif
} }
#endif /* #ifdef CONFIG_BLK_DEV_IDEDMA_PMAC */
static void pmac_ide_set_dma_mode(ide_drive_t *drive, const u8 speed) static void pmac_ide_set_dma_mode(ide_drive_t *drive, const u8 speed)
{ {
...@@ -804,7 +794,6 @@ static void pmac_ide_set_dma_mode(ide_drive_t *drive, const u8 speed) ...@@ -804,7 +794,6 @@ static void pmac_ide_set_dma_mode(ide_drive_t *drive, const u8 speed)
tl[0] = *timings; tl[0] = *timings;
tl[1] = *timings2; tl[1] = *timings2;
#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
if (speed >= XFER_UDMA_0) { if (speed >= XFER_UDMA_0) {
if (pmif->kind == controller_kl_ata4) if (pmif->kind == controller_kl_ata4)
ret = set_timings_udma_ata4(&tl[0], speed); ret = set_timings_udma_ata4(&tl[0], speed);
...@@ -817,7 +806,7 @@ static void pmac_ide_set_dma_mode(ide_drive_t *drive, const u8 speed) ...@@ -817,7 +806,7 @@ static void pmac_ide_set_dma_mode(ide_drive_t *drive, const u8 speed)
ret = -1; ret = -1;
} else } else
set_timings_mdma(drive, pmif->kind, &tl[0], &tl[1], speed); set_timings_mdma(drive, pmif->kind, &tl[0], &tl[1], speed);
#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */
if (ret) if (ret)
return; return;
...@@ -1008,9 +997,7 @@ static const struct ide_port_info pmac_port_info = { ...@@ -1008,9 +997,7 @@ static const struct ide_port_info pmac_port_info = {
.chipset = ide_pmac, .chipset = ide_pmac,
.tp_ops = &pmac_tp_ops, .tp_ops = &pmac_tp_ops,
.port_ops = &pmac_ide_port_ops, .port_ops = &pmac_ide_port_ops,
#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
.dma_ops = &pmac_dma_ops, .dma_ops = &pmac_dma_ops,
#endif
.host_flags = IDE_HFLAG_SET_PIO_MODE_KEEP_DMA | .host_flags = IDE_HFLAG_SET_PIO_MODE_KEEP_DMA |
IDE_HFLAG_POST_SET_MODE | IDE_HFLAG_POST_SET_MODE |
IDE_HFLAG_MMIO | IDE_HFLAG_MMIO |
...@@ -1182,7 +1169,7 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match) ...@@ -1182,7 +1169,7 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match)
pmif->regbase = regbase; pmif->regbase = regbase;
pmif->irq = irq; pmif->irq = irq;
pmif->kauai_fcr = NULL; pmif->kauai_fcr = NULL;
#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
if (macio_resource_count(mdev) >= 2) { if (macio_resource_count(mdev) >= 2) {
if (macio_request_resource(mdev, 1, "ide-pmac (dma)")) if (macio_request_resource(mdev, 1, "ide-pmac (dma)"))
printk(KERN_WARNING "ide-pmac: can't request DMA " printk(KERN_WARNING "ide-pmac: can't request DMA "
...@@ -1192,7 +1179,7 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match) ...@@ -1192,7 +1179,7 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match)
pmif->dma_regs = ioremap(macio_resource_start(mdev, 1), 0x1000); pmif->dma_regs = ioremap(macio_resource_start(mdev, 1), 0x1000);
} else } else
pmif->dma_regs = NULL; pmif->dma_regs = NULL;
#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */
dev_set_drvdata(&mdev->ofdev.dev, pmif); dev_set_drvdata(&mdev->ofdev.dev, pmif);
memset(&hw, 0, sizeof(hw)); memset(&hw, 0, sizeof(hw));
...@@ -1300,9 +1287,7 @@ pmac_ide_pci_attach(struct pci_dev *pdev, const struct pci_device_id *id) ...@@ -1300,9 +1287,7 @@ pmac_ide_pci_attach(struct pci_dev *pdev, const struct pci_device_id *id)
base = ioremap(rbase, rlen); base = ioremap(rbase, rlen);
pmif->regbase = (unsigned long) base + 0x2000; pmif->regbase = (unsigned long) base + 0x2000;
#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
pmif->dma_regs = base + 0x1000; pmif->dma_regs = base + 0x1000;
#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */
pmif->kauai_fcr = base; pmif->kauai_fcr = base;
pmif->irq = pdev->irq; pmif->irq = pdev->irq;
...@@ -1434,8 +1419,6 @@ int __init pmac_ide_probe(void) ...@@ -1434,8 +1419,6 @@ int __init pmac_ide_probe(void)
return error; return error;
} }
#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
/* /*
* pmac_ide_build_dmatable builds the DBDMA command list * pmac_ide_build_dmatable builds the DBDMA command list
* for a transfer and sets the DBDMA channel to point to it. * for a transfer and sets the DBDMA channel to point to it.
...@@ -1723,13 +1706,6 @@ static int __devinit pmac_ide_init_dma(ide_hwif_t *hwif, ...@@ -1723,13 +1706,6 @@ static int __devinit pmac_ide_init_dma(ide_hwif_t *hwif,
return 0; return 0;
} }
#else
static int __devinit pmac_ide_init_dma(ide_hwif_t *hwif,
const struct ide_port_info *d)
{
return -EOPNOTSUPP;
}
#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */
module_init(pmac_ide_probe); module_init(pmac_ide_probe);
......
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