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pata_amd: fix sparse warning

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Current code is essentially choosing between dividing by 1 or
dividing by two, make the conditions a little more obvious.

As a bonus, removes a sparse error:
drivers/ata/pata_amd.c:59:11: warning: symbol '__x' shadows an earlier one
drivers/ata/pata_amd.c:59:11: originally declared here

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Harvey Harrison 2008-03-28 14:33:56 -07:00 committed by Jeff Garzik
parent 6fd3639011
commit d9c74fbead
1 changed files with 3 additions and 1 deletions
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4
drivers/ata/pata_amd.c
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@ -56,7 +56,9 @@ static void timing_setup(struct ata_port *ap, struct ata_device *adev, int offse
u8 t;
T = 1000000000 / amd_clock;
UT = T / min_t(int, max_t(int, clock, 1), 2);
UT = T;
if (clock >= 2)
UT = T / 2;
if (ata_timing_compute(adev, speed, &at, T, UT) < 0) {
dev_printk(KERN_ERR, &pdev->dev, "unknown mode %d.\n", speed);