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libata: add @ap to ata_wait_register() and introduce ata_msleep()

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Add optional @ap argument to ata_wait_register() and replace msleep()
calls with ata_msleep() which take optional @ap in addition to the
duration.  These will be used to implement EH exclusion.

This patch doesn't cause any behavior difference.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Tejun Heo
2010-09-06 17:56:29 +02:00
committed by Jeff Garzik
parent a97c40068f
commit 97750cebb3
12 changed files with 57 additions and 48 deletions
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2
drivers/ata/sata_via.c
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@@ -349,7 +349,7 @@ static int vt6420_prereset(struct ata_link *link, unsigned long deadline)
/* wait for phy to become ready, if necessary */
do {
msleep(200);
ata_msleep(link->ap, 200);
svia_scr_read(link, SCR_STATUS, &sstatus);
if ((sstatus & 0xf) != 1)
break;