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libata: straighten out ATA_ID_* constants

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* Kill _OFS suffixes in ATA_ID_{SERNO|FW_REV|PROD}_OFS for consistency
  with other ATA_ID_* constants.

* Kill ATA_SERNO_LEN

* Add and use ATA_ID_SERNO_LEN, ATA_ID_FW_REV_LEN and ATA_ID_PROD_LEN.
  This change also makes ata_device_blacklisted() use proper length
  for fwrev.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Tejun Heo
2007-01-02 20:18:49 +09:00
committed by Jeff Garzik
parent cdf56bcf14
commit a0cf733b33
9 changed files with 45 additions and 46 deletions
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drivers/ata/pata_ali.c
+2 -2
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@@ -153,11 +153,11 @@ static void ali_early_error_handler(struct ata_port *ap)
static unsigned long ali_20_filter(const struct ata_port *ap, struct ata_device *adev, unsigned long mask)
{
char model_num[40];
char model_num[ATA_ID_PROD_LEN];
/* No DMA on anything but a disk for now */
if (adev->class != ATA_DEV_ATA)
mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA);
ata_id_string(adev->id, model_num, ATA_ID_PROD_OFS, sizeof(model_num));
ata_id_string(adev->id, model_num, ATA_ID_PROD, sizeof(model_num));
if (strstr(model_num, "WDC"))
return mask &= ~ATA_MASK_UDMA;
return ata_pci_default_filter(ap, adev, mask);