diff options
| author | Russell King <rmk+kernel@armlinux.org.uk> | 2017-09-29 12:22:05 +0200 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2017-10-12 16:29:49 +0200 |
| commit | 273c868e85a56481ccb34822be2033dbe63248fb (patch) | |
| tree | 44ad92c358a424f8c310fdaf3d4f0f85c93c82ad /drivers/rtc/rtc-pl031.c | |
| parent | rtc: pl031: constify amba_ids (diff) | |
| download | linux-273c868e85a56481ccb34822be2033dbe63248fb.tar.xz linux-273c868e85a56481ccb34822be2033dbe63248fb.zip | |
rtc: pl031: use devm_* for allocating memory and mapping resource
Use the devm_* APIs for allocating memory and mapping the memory in
the probe function to relieve the driver from having to deal with
this in the cleanup paths.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'drivers/rtc/rtc-pl031.c')
| -rw-r--r-- | drivers/rtc/rtc-pl031.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c index 0d87b90b1903..777da06d53ee 100644 --- a/drivers/rtc/rtc-pl031.c +++ b/drivers/rtc/rtc-pl031.c @@ -310,8 +310,6 @@ static int pl031_remove(struct amba_device *adev) device_init_wakeup(&adev->dev, false); free_irq(adev->irq[0], ldata); rtc_device_unregister(ldata->rtc); - iounmap(ldata->base); - kfree(ldata); amba_release_regions(adev); return 0; @@ -329,18 +327,19 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id) if (ret) goto err_req; - ldata = kzalloc(sizeof(struct pl031_local), GFP_KERNEL); + ldata = devm_kzalloc(&adev->dev, sizeof(struct pl031_local), + GFP_KERNEL); if (!ldata) { ret = -ENOMEM; goto out; } ldata->vendor = vendor; - ldata->base = ioremap(adev->res.start, resource_size(&adev->res)); - + ldata->base = devm_ioremap(&adev->dev, adev->res.start, + resource_size(&adev->res)); if (!ldata->base) { ret = -ENOMEM; - goto out_no_remap; + goto out; } amba_set_drvdata(adev, ldata); @@ -378,7 +377,7 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id) THIS_MODULE); if (IS_ERR(ldata->rtc)) { ret = PTR_ERR(ldata->rtc); - goto out_no_rtc; + goto out; } if (request_irq(adev->irq[0], pl031_interrupt, @@ -391,10 +390,6 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id) out_no_irq: rtc_device_unregister(ldata->rtc); -out_no_rtc: - iounmap(ldata->base); -out_no_remap: - kfree(ldata); out: amba_release_regions(adev); err_req: |