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authorAtsushi Nemoto <anemo@mba.ocn.ne.jp>2008-11-02 21:40:09 +0100
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-11-02 21:40:09 +0100
commit9d4eb0a33e620a85e36f66cf895d2bea6d556eac (patch)
tree9eb73a85502085cd5bb0017a0bff28368e527774
parent630a8b2500c8d04e87e597c4afa5e1fafff04591 (diff)
tx4938ide: Do not call devm_ioremap for whole 128KB
Call devm_ioremap() for CS0 and CS1 separetely. And some style cleanups. Suggested-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: ralf@linux-mips.org Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
-rw-r--r--drivers/ide/tx4938ide.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/drivers/ide/tx4938ide.c b/drivers/ide/tx4938ide.c
index 9c518e722707..796289cf97e0 100644
--- a/drivers/ide/tx4938ide.c
+++ b/drivers/ide/tx4938ide.c
@@ -235,7 +235,7 @@ static int __init tx4938ide_probe(struct platform_device *pdev)
struct resource *res;
struct tx4938ide_platform_info *pdata = pdev->dev.platform_data;
int irq, ret, i;
- unsigned long mapbase;
+ unsigned long mapbase, mapctl;
struct ide_port_info d = tx4938ide_port_info;
irq = platform_get_irq(pdev, 0);
@@ -249,38 +249,43 @@ static int __init tx4938ide_probe(struct platform_device *pdev)
res->end - res->start + 1, "tx4938ide"))
return -EBUSY;
mapbase = (unsigned long)devm_ioremap(&pdev->dev, res->start,
- res->end - res->start + 1);
- if (!mapbase)
+ 8 << pdata->ioport_shift);
+ mapctl = (unsigned long)devm_ioremap(&pdev->dev,
+ res->start + 0x10000 +
+ (6 << pdata->ioport_shift),
+ 1 << pdata->ioport_shift);
+ if (!mapbase || !mapctl)
return -EBUSY;
memset(&hw, 0, sizeof(hw));
if (pdata->ioport_shift) {
unsigned long port = mapbase;
+ unsigned long ctl = mapctl;
hw.io_ports_array[0] = port;
#ifdef __BIG_ENDIAN
port++;
+ ctl++;
#endif
for (i = 1; i <= 7; i++)
hw.io_ports_array[i] =
port + (i << pdata->ioport_shift);
- hw.io_ports.ctl_addr =
- port + 0x10000 + (6 << pdata->ioport_shift);
+ hw.io_ports.ctl_addr = ctl;
} else
- ide_std_init_ports(&hw, mapbase, mapbase + 0x10006);
+ ide_std_init_ports(&hw, mapbase, mapctl);
hw.irq = irq;
hw.dev = &pdev->dev;
- pr_info("TX4938 IDE interface (base %#lx, irq %d)\n", mapbase, hw.irq);
+ pr_info("TX4938 IDE interface (base %#lx, ctl %#lx, irq %d)\n",
+ mapbase, mapctl, hw.irq);
if (pdata->gbus_clock)
tx4938ide_tune_ebusc(pdata->ebus_ch, pdata->gbus_clock, 0);
else
d.port_ops = NULL;
ret = ide_host_add(&d, hws, &host);
- if (ret)
- return ret;
- platform_set_drvdata(pdev, host);
- return 0;
+ if (!ret)
+ platform_set_drvdata(pdev, host);
+ return ret;
}
static int __exit tx4938ide_remove(struct platform_device *pdev)

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