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aha1542: Fix bus reset 

Bus reset always fails because aha1542_reset waits for the controller to assert
the INIT bit (Mailbox Initialization Required) which it never does. This bit is
asserted only after host reset.

Remove the requirement for INIT bit (we really need only the IDLE bit).

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
Ondrej Zary 2015-02-06 23:11:56 +01:00 committed by James Bottomley
parent 1b0224b0ec
commit 7061dec40c
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/aha1542.c
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@ -867,7 +867,7 @@ static int aha1542_reset(struct scsi_cmnd *cmd, u8 reset_cmd)
outb(reset_cmd, CONTROL(cmd->device->host->io_port));
if (!wait_mask(STATUS(cmd->device->host->io_port),
STATMASK, INIT | IDLE, STST | DIAGF | INVDCMD | DF | CDF, 0)) {
STATMASK, IDLE, STST | DIAGF | INVDCMD | DF | CDF, 0)) {
spin_unlock_irqrestore(sh->host_lock, flags);
return FAILED;
}