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authorLinus Torvalds <torvalds@g5.osdl.org>2006-03-21 19:52:18 +0300
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-21 19:52:18 +0300
commitb05005772f34497eb2b7415a651fe785cbe70e16 (patch)
treeb176aeb7fa9baf69e77ddd83e844727490bfcf28 /drivers/scsi/libata-scsi.c
parent044f324f6ea5d55391db62fca6a295b2651cb946 (diff)
parent7705a8792b0fc82fd7d4dd923724606bbfd9fb20 (diff)
downloadlinux-b05005772f34497eb2b7415a651fe785cbe70e16.tar.xz
Merge branch 'origin'
Conflicts: Documentation/video4linux/CARDLIST.cx88 drivers/media/video/cx88/Kconfig drivers/media/video/em28xx/em28xx-video.c drivers/media/video/saa7134/saa7134-dvb.c Resolved as in the original merge by Mauro Carvalho Chehab
Diffstat (limited to 'drivers/scsi/libata-scsi.c')
-rw-r--r--drivers/scsi/libata-scsi.c29
1 files changed, 28 insertions, 1 deletions
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c
index cfbceb504718..59503c9ccac9 100644
--- a/drivers/scsi/libata-scsi.c
+++ b/drivers/scsi/libata-scsi.c
@@ -1700,6 +1700,33 @@ static unsigned int ata_msense_rw_recovery(u8 **ptr_io, const u8 *last)
return sizeof(def_rw_recovery_mpage);
}
+/*
+ * We can turn this into a real blacklist if it's needed, for now just
+ * blacklist any Maxtor BANC1G10 revision firmware
+ */
+static int ata_dev_supports_fua(u16 *id)
+{
+ unsigned char model[41], fw[9];
+
+ if (!libata_fua)
+ return 0;
+ if (!ata_id_has_fua(id))
+ return 0;
+
+ model[40] = '\0';
+ fw[8] = '\0';
+
+ ata_dev_id_string(id, model, ATA_ID_PROD_OFS, sizeof(model) - 1);
+ ata_dev_id_string(id, fw, ATA_ID_FW_REV_OFS, sizeof(fw) - 1);
+
+ if (strncmp(model, "Maxtor", 6))
+ return 1;
+ if (strncmp(fw, "BANC1G10", 8))
+ return 1;
+
+ return 0; /* blacklisted */
+}
+
/**
* ata_scsiop_mode_sense - Simulate MODE SENSE 6, 10 commands
* @args: device IDENTIFY data / SCSI command of interest.
@@ -1797,7 +1824,7 @@ unsigned int ata_scsiop_mode_sense(struct ata_scsi_args *args, u8 *rbuf,
return 0;
dpofua = 0;
- if (ata_id_has_fua(args->id) && dev->flags & ATA_DFLAG_LBA48 &&
+ if (ata_dev_supports_fua(args->id) && dev->flags & ATA_DFLAG_LBA48 &&
(!(dev->flags & ATA_DFLAG_PIO) || dev->multi_count))
dpofua = 1 << 4;