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| Started by | Finn Thain <fthain@telegraphics.com.au> |
|---|---|
| First post | 2016-01-03 06:20 +0100 |
| Last post | 2016-01-03 06:20 +0100 |
| Articles | 1 — 1 participant |
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[PATCH v4 13/78] ncr5380: Remove redundant register writes Finn Thain <fthain@telegraphics.com.au> - 2016-01-03 06:20 +0100
| From | Finn Thain <fthain@telegraphics.com.au> |
|---|---|
| Date | 2016-01-03 06:20 +0100 |
| Subject | [PATCH v4 13/78] ncr5380: Remove redundant register writes |
| Message-ID | <qMJfc-148-7@gated-at.bofh.it> |
Remove the duplicate write to the Select Enable Register that appeared in v1.1.38. Also remove the redundant write to Initiator Command Register prior to calling do_abort(). Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Ondrej Zary <linux@rainbow-software.org> Tested-by: Michael Schmitz <schmitzmic@gmail.com> --- drivers/scsi/NCR5380.c | 2 -- drivers/scsi/atari_NCR5380.c | 3 --- 2 files changed, 5 deletions(-) Index: linux/drivers/scsi/NCR5380.c =================================================================== --- linux.orig/drivers/scsi/NCR5380.c 2016-01-03 16:03:13.000000000 +1100 +++ linux/drivers/scsi/NCR5380.c 2016-01-03 16:03:14.000000000 +1100 @@ -1384,7 +1384,6 @@ part2: cmd->scsi_done(cmd); NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask); dprintk(NDEBUG_SELECTION, "scsi%d : target did not respond within 250ms\n", instance->host_no); - NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask); return 0; } hostdata->targets_present |= (1 << scmd_id(cmd)); @@ -2076,7 +2075,6 @@ static void NCR5380_information_transfer scmd_printk(KERN_INFO, cmd, "switching to slow handshake\n"); cmd->device->borken = 1; - NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN); sink = 1; do_abort(instance); cmd->result = DID_ERROR << 16; Index: linux/drivers/scsi/atari_NCR5380.c =================================================================== --- linux.orig/drivers/scsi/atari_NCR5380.c 2016-01-03 16:03:13.000000000 +1100 +++ linux/drivers/scsi/atari_NCR5380.c 2016-01-03 16:03:14.000000000 +1100 @@ -1640,7 +1640,6 @@ static int NCR5380_select(struct Scsi_Ho cmd->scsi_done(cmd); NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask); dprintk(NDEBUG_SELECTION, "scsi%d: target did not respond within 250ms\n", HOSTNO); - NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask); return 0; } @@ -2192,8 +2191,6 @@ static void NCR5380_information_transfer scmd_printk(KERN_INFO, cmd, "switching to slow handshake\n"); cmd->device->borken = 1; - NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | - ICR_ASSERT_ATN); sink = 1; do_abort(instance); cmd->result = DID_ERROR << 16; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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