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[PATCH] libata: note missing posting in mmio cmd write 

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Alan Cox 2006-03-22 15:47:34 +00:00 committed by Jeff Garzik
parent f01c184569
commit 7c74ffd072
1 changed files with 2 additions and 0 deletions
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2
drivers/scsi/libata-bmdma.c
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@ -214,6 +214,8 @@ static void ata_exec_command_pio(struct ata_port *ap, const struct ata_taskfile
* Issues MMIO write to ATA command register, with proper
* synchronization with interrupt handler / other threads.
*
* FIXME: missing write posting for 400nS delay enforcement
*
* LOCKING:
* spin_lock_irqsave(host_set lock)
*/