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authorJingoo Han <jg1.han@samsung.com>2012-10-23 05:22:11 -0700
committerBryan Wu <cooloney@gmail.com>2012-11-26 14:28:46 -0800
commitf9e007fffd44ba508c0b9c62c8126eb350bcff1e (patch)
tree18e0757dc28d21589ba2e5f0c0732678852a5996 /drivers/leds
parentf87ef101056a34d69d7aa2611da0eb95ff4414f9 (diff)
downloadop-kernel-dev-f9e007fffd44ba508c0b9c62c8126eb350bcff1e.zip
op-kernel-dev-f9e007fffd44ba508c0b9c62c8126eb350bcff1e.tar.gz
leds: renesas: use devm_ functions
The devm_ functions allocate memory that is released when a driver detaches. This makes the code smaller and a bit simpler. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Bryan Wu <cooloney@gmail.com>
Diffstat (limited to 'drivers/leds')
-rw-r--r--drivers/leds/leds-renesas-tpu.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/leds/leds-renesas-tpu.c b/drivers/leds/leds-renesas-tpu.c
index 614776a..99bec6c 100644
--- a/drivers/leds/leds-renesas-tpu.c
+++ b/drivers/leds/leds-renesas-tpu.c
@@ -263,18 +263,18 @@ static int __devinit r_tpu_probe(struct platform_device *pdev)
}
/* map memory, let mapbase point to our channel */
- p->mapbase = ioremap_nocache(res->start, resource_size(res));
+ p->mapbase = devm_ioremap_nocache(&pdev->dev, res->start,
+ resource_size(res));
if (p->mapbase == NULL) {
dev_err(&pdev->dev, "failed to remap I/O memory\n");
return -ENXIO;
}
/* get hold of clock */
- p->clk = clk_get(&pdev->dev, NULL);
+ p->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(p->clk)) {
dev_err(&pdev->dev, "cannot get clock\n");
- ret = PTR_ERR(p->clk);
- goto err0;
+ return PTR_ERR(p->clk);
}
p->pdev = pdev;
@@ -293,7 +293,7 @@ static int __devinit r_tpu_probe(struct platform_device *pdev)
p->ldev.flags |= LED_CORE_SUSPENDRESUME;
ret = led_classdev_register(&pdev->dev, &p->ldev);
if (ret < 0)
- goto err1;
+ goto err0;
/* max_brightness may be updated by the LED core code */
p->min_rate = p->ldev.max_brightness * p->refresh_rate;
@@ -301,11 +301,8 @@ static int __devinit r_tpu_probe(struct platform_device *pdev)
pm_runtime_enable(&pdev->dev);
return 0;
- err1:
- r_tpu_set_pin(p, R_TPU_PIN_UNUSED, LED_OFF);
- clk_put(p->clk);
err0:
- iounmap(p->mapbase);
+ r_tpu_set_pin(p, R_TPU_PIN_UNUSED, LED_OFF);
return ret;
}
@@ -320,9 +317,7 @@ static int __devexit r_tpu_remove(struct platform_device *pdev)
r_tpu_set_pin(p, R_TPU_PIN_UNUSED, LED_OFF);
pm_runtime_disable(&pdev->dev);
- clk_put(p->clk);
- iounmap(p->mapbase);
return 0;
}
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