Messages in this thread Patch in this message | | | Date | Tue, 27 Jun 2006 00:00:19 -0700 | From | Chris Wright <> | Subject | [PATCH 19/25] libata: minor patch for ATA_DFLAG_PIO |
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-stable review patch. If anyone has any objections, please let us know. ------------------
From: Tejun Heo <htejun@gmail.com>
- With 2.6.17 libata, some PIO-only devices are given DMA commands.
Changes: - Do not clear the ATA_DFLAG_PIO flag in ata_dev_configure().
Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Albert Lee <albertcc@tw.ibm.com> Signed-off-by: Chris Wright <chrisw@sous-sol.org> ---
drivers/scsi/libata-core.c | 2 +- include/linux/libata.h | 9 ++++++--- 2 files changed, 7 insertions(+), 4 deletions(-)
--- linux-2.6.17.1.orig/drivers/scsi/libata-core.c +++ linux-2.6.17.1/drivers/scsi/libata-core.c @@ -1229,7 +1229,7 @@ static int ata_dev_configure(struct ata_ id[84], id[85], id[86], id[87], id[88]); /* initialize to-be-configured parameters */ - dev->flags = 0; + dev->flags &= ~ATA_DFLAG_CFG_MASK; dev->max_sectors = 0; dev->cdb_len = 0; dev->n_sectors = 0; --- linux-2.6.17.1.orig/include/linux/libata.h +++ linux-2.6.17.1/include/linux/libata.h @@ -120,9 +120,12 @@ enum { ATA_SHT_USE_CLUSTERING = 1, /* struct ata_device stuff */ - ATA_DFLAG_LBA48 = (1 << 0), /* device supports LBA48 */ - ATA_DFLAG_PIO = (1 << 1), /* device currently in PIO mode */ - ATA_DFLAG_LBA = (1 << 2), /* device supports LBA */ + ATA_DFLAG_LBA = (1 << 0), /* device supports LBA */ + ATA_DFLAG_LBA48 = (1 << 1), /* device supports LBA48 */ + + ATA_DFLAG_CFG_MASK = (1 << 8) - 1, + + ATA_DFLAG_PIO = (1 << 8), /* device currently in PIO mode */ ATA_DEV_UNKNOWN = 0, /* unknown device */ ATA_DEV_ATA = 1, /* ATA device */ -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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