mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-27 11:19:37 +00:00
ide: add IDE_HFLAG_RQSIZE_256 host flag
Add IDE_HFLAG_RQSIZE_256 host flag to tell ide_pci_setup_ports() to set hwif->rqsize to 256 sectors. Convert pdc202xx_old host driver to use it. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
parent
8acf28c090
commit
272a370900
3 changed files with 11 additions and 12 deletions
|
@ -302,13 +302,6 @@ static unsigned int __devinit init_chipset_pdc202xx(struct pci_dev *dev,
|
|||
|
||||
static void __devinit init_hwif_pdc202xx(ide_hwif_t *hwif)
|
||||
{
|
||||
struct pci_dev *dev = hwif->pci_dev;
|
||||
|
||||
/* PDC20265 has problems with large LBA48 requests */
|
||||
if ((dev->device == PCI_DEVICE_ID_PROMISE_20267) ||
|
||||
(dev->device == PCI_DEVICE_ID_PROMISE_20265))
|
||||
hwif->rqsize = 256;
|
||||
|
||||
hwif->set_pio_mode = &pdc202xx_set_pio_mode;
|
||||
hwif->set_dma_mode = &pdc202xx_set_mode;
|
||||
|
||||
|
@ -382,7 +375,7 @@ static void __devinit pdc202ata4_fixup_irq(struct pci_dev *dev,
|
|||
}
|
||||
}
|
||||
|
||||
#define DECLARE_PDC2026X_DEV(name_str, udma) \
|
||||
#define DECLARE_PDC2026X_DEV(name_str, udma, extra_flags) \
|
||||
{ \
|
||||
.name = name_str, \
|
||||
.init_chipset = init_chipset_pdc202xx, \
|
||||
|
@ -390,6 +383,7 @@ static void __devinit pdc202ata4_fixup_irq(struct pci_dev *dev,
|
|||
.init_dma = init_dma_pdc202xx, \
|
||||
.extra = 48, \
|
||||
.host_flags = IDE_HFLAG_ERROR_STOPS_FIFO | \
|
||||
extra_flags | \
|
||||
IDE_HFLAG_OFF_BOARD, \
|
||||
.pio_mask = ATA_PIO4, \
|
||||
.mwdma_mask = ATA_MWDMA2, \
|
||||
|
@ -410,10 +404,10 @@ static ide_pci_device_t pdc202xx_chipsets[] __devinitdata = {
|
|||
.udma_mask = ATA_UDMA2,
|
||||
},
|
||||
|
||||
/* 1 */ DECLARE_PDC2026X_DEV("PDC20262", ATA_UDMA4),
|
||||
/* 2 */ DECLARE_PDC2026X_DEV("PDC20263", ATA_UDMA4),
|
||||
/* 3 */ DECLARE_PDC2026X_DEV("PDC20265", ATA_UDMA5),
|
||||
/* 4 */ DECLARE_PDC2026X_DEV("PDC20267", ATA_UDMA5),
|
||||
/* 1 */ DECLARE_PDC2026X_DEV("PDC20262", ATA_UDMA4, 0),
|
||||
/* 2 */ DECLARE_PDC2026X_DEV("PDC20263", ATA_UDMA4, 0),
|
||||
/* 3 */ DECLARE_PDC2026X_DEV("PDC20265", ATA_UDMA5, IDE_HFLAG_RQSIZE_256),
|
||||
/* 4 */ DECLARE_PDC2026X_DEV("PDC20267", ATA_UDMA5, IDE_HFLAG_RQSIZE_256),
|
||||
};
|
||||
|
||||
/**
|
||||
|
|
|
@ -582,6 +582,9 @@ void ide_pci_setup_ports(struct pci_dev *dev, ide_pci_device_t *d, int pciirq, a
|
|||
hwif->drives[0].autotune = 1;
|
||||
hwif->drives[1].autotune = 1;
|
||||
|
||||
if (d->host_flags & IDE_HFLAG_RQSIZE_256)
|
||||
hwif->rqsize = 256;
|
||||
|
||||
if (d->init_hwif)
|
||||
/* Call chipset-specific routine
|
||||
* for each enabled hwif
|
||||
|
|
|
@ -1265,6 +1265,8 @@ enum {
|
|||
IDE_HFLAG_LEGACY_IRQS = (1 << 21),
|
||||
/* force use of legacy IRQs */
|
||||
IDE_HFLAG_FORCE_LEGACY_IRQS = (1 << 22),
|
||||
/* limit LBA48 requests to 256 sectors */
|
||||
IDE_HFLAG_RQSIZE_256 = (1 << 23),
|
||||
};
|
||||
|
||||
#ifdef CONFIG_BLK_DEV_OFFBOARD
|
||||
|
|
Loading…
Reference in a new issue