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[PATCH v2 20/22] atari_scsi: Set a reasonable default for cmd_per_lun

From Finn Thain <fthain@telegraphics.com.au>
Newsgroups linux.kernel
Subject [PATCH v2 20/22] atari_scsi: Set a reasonable default for cmd_per_lun
Date 2016-03-16 04:40 +0100
Message-ID <rdats-3a4-25@gated-at.bofh.it> (permalink)
References <rdatr-3a4-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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This setting does not need to be conditional on Atari ST or TT.

Signed-off-by: Finn Thain <fthain@telegraphics.com.au>

---

Changed since v1:
- Set the default cmd_per_lun to 4 based on test results.

---
 drivers/scsi/atari_scsi.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Index: linux/drivers/scsi/atari_scsi.c
===================================================================
--- linux.orig/drivers/scsi/atari_scsi.c	2016-03-16 14:18:27.000000000 +1100
+++ linux/drivers/scsi/atari_scsi.c	2016-03-16 14:18:36.000000000 +1100
@@ -752,6 +752,7 @@ static struct scsi_host_template atari_s
 	.eh_abort_handler	= atari_scsi_abort,
 	.eh_bus_reset_handler	= atari_scsi_bus_reset,
 	.this_id		= 7,
+	.cmd_per_lun		= 4,
 	.use_clustering		= DISABLE_CLUSTERING,
 	.cmd_size		= NCR5380_CMD_SIZE,
 };
@@ -788,11 +789,9 @@ static int __init atari_scsi_probe(struc
 	 */
 	if (ATARIHW_PRESENT(TT_SCSI)) {
 		atari_scsi_template.can_queue    = 16;
-		atari_scsi_template.cmd_per_lun  = 8;
 		atari_scsi_template.sg_tablesize = SG_ALL;
 	} else {
 		atari_scsi_template.can_queue    = 8;
-		atari_scsi_template.cmd_per_lun  = 1;
 		atari_scsi_template.sg_tablesize = SG_NONE;
 	}
 

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Thread

[PATCH v2 00/22] ncr5380: Eliminate macros, reduce code duplication, fix bugs etc Finn Thain <fthain@telegraphics.com.au> - 2016-03-16 04:40 +0100
  [PATCH v2 11/22] atari_scsi: Adopt NCR5380.c core driver Finn Thain <fthain@telegraphics.com.au> - 2016-03-16 04:40 +0100
  [PATCH v2 04/22] atari_NCR5380: Remove DMA_MIN_SIZE macro Finn Thain <fthain@telegraphics.com.au> - 2016-03-16 04:40 +0100
  [PATCH v2 03/22] ncr5380: Remove REAL_DMA and REAL_DMA_POLL macros Finn Thain <fthain@telegraphics.com.au> - 2016-03-16 04:40 +0100
  [PATCH v2 20/22] atari_scsi: Set a reasonable default for cmd_per_lun Finn Thain <fthain@telegraphics.com.au> - 2016-03-16 04:40 +0100
  [PATCH v2 15/22] dmx3191d: Drop max_sectors limit Finn Thain <fthain@telegraphics.com.au> - 2016-03-16 04:40 +0100
  [PATCH v2 12/22] sun3_scsi: Adopt NCR5380.c core driver Finn Thain <fthain@telegraphics.com.au> - 2016-03-16 04:40 +0100
  [PATCH v2 10/22] ncr5380: Merge DMA implementation from atari_NCR5380 core driver Finn Thain <fthain@telegraphics.com.au> - 2016-03-16 04:40 +0100
  [PATCH v2 22/22] mac_scsi: Fix pseudo DMA implementation Finn Thain <fthain@telegraphics.com.au> - 2016-03-16 04:40 +0100
  [PATCH v2 08/22] ncr5380: Use DMA hooks for PDMA Finn Thain <fthain@telegraphics.com.au> - 2016-03-16 04:40 +0100
  [PATCH v2 05/22] ncr5380: Disable the DMA errata workaround flag by default Finn Thain <fthain@telegraphics.com.au> - 2016-03-16 04:40 +0100
  [PATCH v2 18/22] ncr5380: Remove DONT_USE_INTR and AUTOPROBE_IRQ macros Finn Thain <fthain@telegraphics.com.au> - 2016-03-16 04:40 +0100
  [PATCH v2 16/22] ncr5380: Fix register decoding for debugging Finn Thain <fthain@telegraphics.com.au> - 2016-03-16 04:40 +0100
  [PATCH v2 02/22] ncr5380: Remove FLAG_NO_PSEUDO_DMA where possible Finn Thain <fthain@telegraphics.com.au> - 2016-03-16 04:40 +0100
  [PATCH v2 19/22] ncr5380: Update usage documentation Finn Thain <fthain@telegraphics.com.au> - 2016-03-16 04:40 +0100

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