From mboxrd@z Thu Jan 1 00:00:00 1970 From: Finn Thain Subject: [PATCH 32/71] ncr5380: Fix bus phase in do_abort() Date: Wed, 18 Nov 2015 19:35:27 +1100 Message-ID: <20151118083504.481704824@telegraphics.com.au> References: <20151118083455.331768508@telegraphics.com.au> Return-path: Content-Disposition: inline; filename=ncr5380-do_abort-vs-bus-phase Sender: linux-kernel-owner@vger.kernel.org To: "James E.J. Bottomley" , Michael Schmitz , linux-m68k@vger.kernel.org, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-m68k@vger.kernel.org NCR5380_poll_politely() returns either 0 (success) or -ETIMEDOUT. However, in do_abort(), the return value is incorrectly taken to be the status register value. This means that the bus is put into DATA OUT phase instead of MESSAGE OUT. Fix this. Signed-off-by: Finn Thain --- drivers/scsi/NCR5380.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Index: linux/drivers/scsi/NCR5380.c =================================================================== --- linux.orig/drivers/scsi/NCR5380.c 2015-11-18 19:33:44.000000000 +1100 +++ linux/drivers/scsi/NCR5380.c 2015-11-18 19:33:45.000000000 +1100 @@ -1486,11 +1486,11 @@ static int do_abort(struct Scsi_Host *in if (rc < 0) return -1; - tmp = (unsigned char)rc; + tmp = NCR5380_read(STATUS_REG) & PHASE_MASK; NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(tmp)); - if ((tmp & PHASE_MASK) != PHASE_MSGOUT) { + if (tmp != PHASE_MSGOUT) { NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN | ICR_ASSERT_ACK); rc = NCR5380_poll_politely(instance, STATUS_REG, SR_REQ, 0, 3 * HZ); NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN);