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authorThomas Bogendoerfer <tsbogend@alpha.franken.de>2008-03-22 00:25:43 +0300
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-04-07 21:19:01 +0400
commitbe3cb3d84bb8dffecb7c5570355866075caa7e95 (patch)
tree2a9278e3d094bbccbf172e07ee2758eca483a400 /drivers
parent7748369f49d428e558c519ed344d3005d38347b7 (diff)
downloadlinux-be3cb3d84bb8dffecb7c5570355866075caa7e95.tar.xz
[SCSI] WD33C93: let platform stub override no_sync/fast/dma_mode
SGI machines with WD33C93 allow usage of burst mode DMA, which increases performance noticable. To make this selectable by the sgiwd93 stub, setting the values for no_sync, fast and dma_mode has been moved to the individual platform stubs. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Acked-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/a2091.c3
-rw-r--r--drivers/scsi/a3000.c3
-rw-r--r--drivers/scsi/gvp11.c3
-rw-r--r--drivers/scsi/mvme147.c3
-rw-r--r--drivers/scsi/sgiwd93.c7
-rw-r--r--drivers/scsi/wd33c93.c3
6 files changed, 16 insertions, 6 deletions
diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c
index 5ac3a3e8dfaf..1d1bb2516172 100644
--- a/drivers/scsi/a2091.c
+++ b/drivers/scsi/a2091.c
@@ -179,6 +179,9 @@ int __init a2091_detect(struct scsi_host_template *tpnt)
DMA(instance)->DAWR = DAWR_A2091;
regs.SASR = &(DMA(instance)->SASR);
regs.SCMD = &(DMA(instance)->SCMD);
+ HDATA(a3000_host)->no_sync = 0xff;
+ HDATA(a3000_host)->fast = 0;
+ HDATA(a3000_host)->dma_mode = CTRL_DMA;
wd33c93_init(instance, regs, dma_setup, dma_stop, WD33C93_FS_8_10);
request_irq(IRQ_AMIGA_PORTS, a2091_intr, IRQF_SHARED, "A2091 SCSI",
instance);
diff --git a/drivers/scsi/a3000.c b/drivers/scsi/a3000.c
index 3aeec963940b..8b449d8acacd 100644
--- a/drivers/scsi/a3000.c
+++ b/drivers/scsi/a3000.c
@@ -178,6 +178,9 @@ int __init a3000_detect(struct scsi_host_template *tpnt)
DMA(a3000_host)->DAWR = DAWR_A3000;
regs.SASR = &(DMA(a3000_host)->SASR);
regs.SCMD = &(DMA(a3000_host)->SCMD);
+ HDATA(a3000_host)->no_sync = 0xff;
+ HDATA(a3000_host)->fast = 0;
+ HDATA(a3000_host)->dma_mode = CTRL_DMA;
wd33c93_init(a3000_host, regs, dma_setup, dma_stop, WD33C93_FS_12_15);
if (request_irq(IRQ_AMIGA_PORTS, a3000_intr, IRQF_SHARED, "A3000 SCSI",
a3000_intr))
diff --git a/drivers/scsi/gvp11.c b/drivers/scsi/gvp11.c
index 91f85226d08f..e75a7ba57a3a 100644
--- a/drivers/scsi/gvp11.c
+++ b/drivers/scsi/gvp11.c
@@ -322,6 +322,9 @@ int __init gvp11_detect(struct scsi_host_template *tpnt)
*/
regs.SASR = &(DMA(instance)->SASR);
regs.SCMD = &(DMA(instance)->SCMD);
+ HDATA(a3000_host)->no_sync = 0xff;
+ HDATA(a3000_host)->fast = 0;
+ HDATA(a3000_host)->dma_mode = CTRL_DMA;
wd33c93_init(instance, regs, dma_setup, dma_stop,
(epc & GVP_SCSICLKMASK) ? WD33C93_FS_8_10
: WD33C93_FS_12_15);
diff --git a/drivers/scsi/mvme147.c b/drivers/scsi/mvme147.c
index be41aadccae5..6a8cf179a1f1 100644
--- a/drivers/scsi/mvme147.c
+++ b/drivers/scsi/mvme147.c
@@ -82,6 +82,9 @@ int mvme147_detect(struct scsi_host_template *tpnt)
mvme147_host->irq = MVME147_IRQ_SCSI_PORT;
regs.SASR = (volatile unsigned char *)0xfffe4000;
regs.SCMD = (volatile unsigned char *)0xfffe4001;
+ HDATA(a3000_host)->no_sync = 0xff;
+ HDATA(a3000_host)->fast = 0;
+ HDATA(a3000_host)->dma_mode = CTRL_DMA;
wd33c93_init(mvme147_host, regs, dma_setup, dma_stop, WD33C93_FS_8_10);
if (request_irq(MVME147_IRQ_SCSI_PORT, mvme147_intr, 0, "MVME147 SCSI PORT", mvme147_intr))
diff --git a/drivers/scsi/sgiwd93.c b/drivers/scsi/sgiwd93.c
index 26cfc56c7091..03e359670506 100644
--- a/drivers/scsi/sgiwd93.c
+++ b/drivers/scsi/sgiwd93.c
@@ -263,10 +263,11 @@ static int __init sgiwd93_probe(struct platform_device *pdev)
regs.SASR = wdregs + 3;
regs.SCMD = wdregs + 7;
- wd33c93_init(host, regs, dma_setup, dma_stop, WD33C93_FS_MHZ(20));
+ hdata->wh.no_sync = 0;
+ hdata->wh.fast = 1;
+ hdata->wh.dma_mode = CTRL_BURST;
- if (hdata->wh.no_sync == 0xff)
- hdata->wh.no_sync = 0;
+ wd33c93_init(host, regs, dma_setup, dma_stop, WD33C93_FS_MHZ(20));
err = request_irq(irq, sgiwd93_intr, 0, "SGI WD93", host);
if (err) {
diff --git a/drivers/scsi/wd33c93.c b/drivers/scsi/wd33c93.c
index f286c37da7e0..5fda881c2470 100644
--- a/drivers/scsi/wd33c93.c
+++ b/drivers/scsi/wd33c93.c
@@ -1973,10 +1973,7 @@ wd33c93_init(struct Scsi_Host *instance, const wd33c93_regs regs,
hostdata->incoming_ptr = 0;
hostdata->outgoing_len = 0;
hostdata->default_sx_per = DEFAULT_SX_PER;
- hostdata->no_sync = 0xff; /* sync defaults to off */
hostdata->no_dma = 0; /* default is DMA enabled */
- hostdata->fast = 0; /* default is Fast SCSI transfers disabled */
- hostdata->dma_mode = CTRL_DMA; /* default is Single Byte DMA */
#ifdef PROC_INTERFACE
hostdata->proc = PR_VERSION | PR_INFO | PR_STATISTICS |