Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7a0f1c8a4b1052da7efc7715e2e557255b632712
Commit: 7a0f1c8a4b1052da7efc7715e2e557255b632712
Parent: 5dcade90db19205b9ebb8241a22664560973f81a
Author: Lennert Buytenhek <[EMAIL PROTECTED]>
AuthorDate: Mon Jan 29 13:28:47 2007 +0100
Committer: Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Tue Jan 30 09:14:56 2007 -0500
ata_if_xfermask() word 51 fix
If word 53 bit 1 isn't set, the maximum PIO mode is indicated by
the upper 8 bits of word 51, not the lower 8 bits. Fixes PIO mode
detection on old Compact Flash cards.
Signed-off-by: Lennert Buytenhek <[EMAIL PROTECTED]>
Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
drivers/ata/libata-core.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index a388a8d..cf70702 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1037,7 +1037,7 @@ static unsigned int ata_id_xfermask(const u16 *id)
* the PIO timing number for the maximum. Turn it into
* a mask.
*/
- u8 mode = id[ATA_ID_OLD_PIO_MODES] & 0xFF;
+ u8 mode = (id[ATA_ID_OLD_PIO_MODES] >> 8) & 0xFF;
if (mode < 5) /* Valid PIO range */
pio_mask = (2 << mode) - 1;
else
-
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