diff options
| author | Thierry Reding <thierry.reding@avionic-design.de> | 2012-08-30 13:48:10 +0200 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@avionic-design.de> | 2012-10-05 20:56:40 +0200 |
| commit | e551fadef3650c34137e90f17963ca613b8f8610 (patch) | |
| tree | 387efc579d96bfdf9acd633fcf75f780f62d064e /arch/unicore32 | |
| parent | unicore32: pwm: Use module_platform_driver() (diff) | |
| download | linux-e551fadef3650c34137e90f17963ca613b8f8610.tar.xz linux-e551fadef3650c34137e90f17963ca613b8f8610.zip | |
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>
Diffstat (limited to 'arch/unicore32')
| -rw-r--r-- | arch/unicore32/kernel/pwm.c | 23 |
1 files changed, 6 insertions, 17 deletions
diff --git a/arch/unicore32/kernel/pwm.c b/arch/unicore32/kernel/pwm.c index 012c54a8019a..7e234700d80f 100644 --- a/arch/unicore32/kernel/pwm.c +++ b/arch/unicore32/kernel/pwm.c @@ -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); |