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ide: add ->max_sectors field to struct ide_port_info

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* Add ->max_sectors field to struct ide_port_info to allow host drivers
  to specify value used for hwif->rqsize (if smaller than the default).

* Convert pdc202xx_old to use ->max_sectors and remove no longer needed
  IDE_HFLAG_RQSIZE_256 flag.

There should be no functional changes caused by this patch.

Acked-by: Sergei Shtyltov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2008-12-29 20:27:34 +01:00
parent 7f1ac8c4b9
commit 6b4924962c
3 changed files with 10 additions and 8 deletions
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5
include/linux/ide.h
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@@ -1372,8 +1372,6 @@ 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),
/* use 32-bit I/O ops */
IDE_HFLAG_IO_32BIT = (1 << 24),
/* unmask IRQs */
@@ -1411,6 +1409,9 @@ struct ide_port_info {
ide_pci_enablebit_t enablebits[2];
hwif_chipset_t chipset;
u16 max_sectors; /* if < than the default one */
u32 host_flags;
u8 pio_mask;
u8 swdma_mask;