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authorH Hartley Sweeten <hartleys@visionengravers.com>2009-11-23 12:24:32 -0500
committerEric Miao <eric.y.miao@gmail.com>2009-12-29 14:11:27 +0800
commit1692231cfda6577d411945ea1dacce548e63a0a4 (patch)
tree2cb9abef39ce46be12225b1baff6ae73babcee91 /arch/arm/plat-pxa/pwm.c
parentda2c3f0ead336c04b4d1ad36ff42d8d264f44f65 (diff)
[ARM] pxa: use resource_size() in pwm.c
Use resource_size for {request/release}_mem_region and ioremap. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Diffstat (limited to 'arch/arm/plat-pxa/pwm.c')
-rw-r--r--arch/arm/plat-pxa/pwm.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/plat-pxa/pwm.c b/arch/arm/plat-pxa/pwm.c
index a9eabdcfa16..51dc5c8106c 100644
--- a/arch/arm/plat-pxa/pwm.c
+++ b/arch/arm/plat-pxa/pwm.c
@@ -204,14 +204,14 @@ static int __devinit pwm_probe(struct platform_device *pdev)
goto err_free_clk;
}
- r = request_mem_region(r->start, r->end - r->start + 1, pdev->name);
+ r = request_mem_region(r->start, resource_size(r), pdev->name);
if (r == NULL) {
dev_err(&pdev->dev, "failed to request memory resource\n");
ret = -EBUSY;
goto err_free_clk;
}
- pwm->mmio_base = ioremap(r->start, r->end - r->start + 1);
+ pwm->mmio_base = ioremap(r->start, resource_size(r));
if (pwm->mmio_base == NULL) {
dev_err(&pdev->dev, "failed to ioremap() registers\n");
ret = -ENODEV;
@@ -241,7 +241,7 @@ static int __devinit pwm_probe(struct platform_device *pdev)
return 0;
err_free_mem:
- release_mem_region(r->start, r->end - r->start + 1);
+ release_mem_region(r->start, resource_size(r));
err_free_clk:
clk_put(pwm->clk);
err_free:
@@ -271,7 +271,7 @@ static int __devexit pwm_remove(struct platform_device *pdev)
iounmap(pwm->mmio_base);
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(r->start, r->end - r->start + 1);
+ release_mem_region(r->start, resource_size(r));
clk_put(pwm->clk);
kfree(pwm);