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authorJens Axboe <jaxboe@fusionio.com>2010-06-01 12:42:12 +0200
committerJens Axboe <jaxboe@fusionio.com>2010-06-01 12:42:12 +0200
commitb4ca761577535b2b4d153689ee97342797dfff05 (patch)
tree29054d55508f1faa22ec32acf7c245751af03348 /drivers/ata/libata-core.c
parent28f4197e5d4707311febeec8a0eb97cb5fd93c97 (diff)
parent67a3e12b05e055c0415c556a315a3d3eb637e29e (diff)
Merge branch 'master' into for-linus
Conflicts: fs/pipe.c Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'drivers/ata/libata-core.c')
-rw-r--r--drivers/ata/libata-core.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index c47373f01f8..06b7e49e039 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -160,6 +160,10 @@ int libata_allow_tpm = 0;
module_param_named(allow_tpm, libata_allow_tpm, int, 0444);
MODULE_PARM_DESC(allow_tpm, "Permit the use of TPM commands (0=off [default], 1=on)");
+static int atapi_an;
+module_param(atapi_an, int, 0444);
+MODULE_PARM_DESC(atapi_an, "Enable ATAPI AN media presence notification (0=0ff [default], 1=on)");
+
MODULE_AUTHOR("Jeff Garzik");
MODULE_DESCRIPTION("Library module for ATA devices");
MODULE_LICENSE("GPL");
@@ -2122,6 +2126,14 @@ retry:
goto err_out;
}
+ if (dev->horkage & ATA_HORKAGE_DUMP_ID) {
+ ata_dev_printk(dev, KERN_DEBUG, "dumping IDENTIFY data, "
+ "class=%d may_fallback=%d tried_spinup=%d\n",
+ class, may_fallback, tried_spinup);
+ print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET,
+ 16, 2, id, ATA_ID_WORDS * sizeof(*id), true);
+ }
+
/* Falling back doesn't make sense if ID data was read
* successfully at least once.
*/
@@ -2510,7 +2522,8 @@ int ata_dev_configure(struct ata_device *dev)
* to enable ATAPI AN to discern between PHY status
* changed notifications and ATAPI ANs.
*/
- if ((ap->flags & ATA_FLAG_AN) && ata_id_has_atapi_AN(id) &&
+ if (atapi_an &&
+ (ap->flags & ATA_FLAG_AN) && ata_id_has_atapi_AN(id) &&
(!sata_pmp_attached(ap) ||
sata_scr_read(&ap->link, SCR_NOTIFICATION, &sntf) == 0)) {
unsigned int err_mask;
@@ -6372,6 +6385,7 @@ static int __init ata_parse_force_one(char **cur,
{ "3.0Gbps", .spd_limit = 2 },
{ "noncq", .horkage_on = ATA_HORKAGE_NONCQ },
{ "ncq", .horkage_off = ATA_HORKAGE_NONCQ },
+ { "dump_id", .horkage_on = ATA_HORKAGE_DUMP_ID },
{ "pio0", .xfer_mask = 1 << (ATA_SHIFT_PIO + 0) },
{ "pio1", .xfer_mask = 1 << (ATA_SHIFT_PIO + 1) },
{ "pio2", .xfer_mask = 1 << (ATA_SHIFT_PIO + 2) },