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Diffstat (limited to 'arch/arm/mach-omap1/mailbox.c')
-rw-r--r--arch/arm/mach-omap1/mailbox.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/arm/mach-omap1/mailbox.c b/arch/arm/mach-omap1/mailbox.c
index caf889aaa248..4f5b3da3d559 100644
--- a/arch/arm/mach-omap1/mailbox.c
+++ b/arch/arm/mach-omap1/mailbox.c
@@ -146,7 +146,6 @@ EXPORT_SYMBOL(mbox_dsp_info);
static int __devinit omap1_mbox_probe(struct platform_device *pdev)
{
struct resource *res;
- int ret = 0;
if (pdev->num_resources != 2) {
dev_err(&pdev->dev, "invalid number of resources: %d\n",
@@ -160,12 +159,18 @@ static int __devinit omap1_mbox_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "invalid mem resource\n");
return -ENODEV;
}
- mbox_base = res->start;
+
+ mbox_base = ioremap(res->start, resource_size(res));
+ if (!mbox_base) {
+ dev_err(&pdev->dev, "ioremap failed\n");
+ return -ENODEV;
+ }
/* DSP IRQ */
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (unlikely(!res)) {
dev_err(&pdev->dev, "invalid irq resource\n");
+ iounmap(mbox_base);
return -ENODEV;
}
mbox_dsp_info.irq = res->start;