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unicore32: pwm: Remove unnecessary indirection 

Calling the actual probing function through a proxy isn't required and
makes the code needlessly complex.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Qin Rui <qinrui@mprc.pku.edu.cn>
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
This commit is contained in:
Thierry Reding 2012-08-30 13:48:10 +02:00
parent dde9959b8d
commit e551fadef3
1 changed files with 6 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
arch/unicore32/kernel/pwm.c
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@ -156,8 +156,7 @@ static inline void __add_pwm(struct pwm_device *pwm)
mutex_unlock(&pwm_lock);
}
static struct pwm_device *pwm_probe(struct platform_device *pdev,
unsigned int pwm_id, struct pwm_device *parent_pwm)
static int __devinit pwm_probe(struct platform_device *pdev)
{
struct pwm_device *pwm;
struct resource *r;
@ -166,7 +165,7 @@ static struct pwm_device *pwm_probe(struct platform_device *pdev,
pwm = kzalloc(sizeof(struct pwm_device), GFP_KERNEL);
if (pwm == NULL) {
dev_err(&pdev->dev, "failed to allocate memory\n");
return ERR_PTR(-ENOMEM);
return -ENOMEM;
}
pwm->clk = clk_get(NULL, "OST_CLK");
@ -177,7 +176,7 @@ static struct pwm_device *pwm_probe(struct platform_device *pdev,
pwm->clk_enabled = 0;
pwm->use_count = 0;
pwm->pwm_id = pwm_id;
pwm->pwm_id = pdev->id;
pwm->pdev = pdev;
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@ -203,7 +202,7 @@ static struct pwm_device *pwm_probe(struct platform_device *pdev,
__add_pwm(pwm);
platform_set_drvdata(pdev, pwm);
return pwm;
return 0;
err_release_mem:
release_mem_region(r->start, resource_size(r));
@ -211,17 +210,7 @@ err_free_clk:
clk_put(pwm->clk);
err_free:
kfree(pwm);
return ERR_PTR(ret);
}
static int __devinit puv3_pwm_probe(struct platform_device *pdev)
{
struct pwm_device *pwm = pwm_probe(pdev, pdev->id, NULL);
if (IS_ERR(pwm))
return PTR_ERR(pwm);
return 0;
return ret;
}
static int __devexit pwm_remove(struct platform_device *pdev)
@ -251,7 +240,7 @@ static struct platform_driver puv3_pwm_driver = {
.driver = {
.name = "PKUnity-v3-PWM",
},
.probe = puv3_pwm_probe,
.probe = pwm_probe,
.remove = __devexit_p(pwm_remove),
};
module_platform_driver(puv3_pwm_driver);