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libata: increase the timeout when setting transfer mode

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I have a ST4000DM000 disk. If Linux is booted while the disk is spun down,
the command that sets transfer mode causes the disk to spin up. The
spin-up takes longer than the default 5s timeout, so the command fails and
timeout is reported.

Fix this by increasing the timeout to 15s, which is enough for the disk to
spin up.

Signed-off-by: Mikulas Patocka <[email protected]>
Cc: [email protected]
Signed-off-by: Tejun Heo <[email protected]>
This commit is contained in:
Mikulas Patocka 2015-07-08 13:06:12 -04:00 • committed by Tejun Heo
commit d531be2ca2
1 changed files with 2 additions and 1 deletions
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3
drivers/ata/libata-core.c
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@ -4515,7 +4515,8 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev)
else /* In the ancient relic department - skip all of this */
return 0;
err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0);
/* On some disks, this command causes spin-up, so we need longer timeout */
err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 15000);
DPRINTK("EXIT, err_mask=%x\n", err_mask);
return err_mask;