Subject: + rtc-rtc-davinci-use-devm_ioremap_resource.patch added to -mm tree
To: jg1.han@xxxxxxxxxxx,khilman@xxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Fri, 07 Feb 2014 14:47:01 -0800
The patch titled
Subject: rtc: rtc-davinci: use devm_ioremap_resource()
has been added to the -mm tree. Its filename is
rtc-rtc-davinci-use-devm_ioremap_resource.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/rtc-rtc-davinci-use-devm_ioremap_resource.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/rtc-rtc-davinci-use-devm_ioremap_resource.patch
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------------------------------------------------------
From: Jingoo Han <jg1.han@xxxxxxxxxxx>
Subject: rtc: rtc-davinci: use devm_ioremap_resource()
Use devm_ioremap_resource() in order to make the code simpler, and remove
redundant return value check of platform_get_resource() because the value
is checked by devm_ioremap_resource().
Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
Cc: Kevin Hilman <khilman@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/rtc/rtc-davinci.c | 29 ++++-------------------------
1 file changed, 4 insertions(+), 25 deletions(-)
diff -puN drivers/rtc/rtc-davinci.c~rtc-rtc-davinci-use-devm_ioremap_resource drivers/rtc/rtc-davinci.c
--- a/drivers/rtc/rtc-davinci.c~rtc-rtc-davinci-use-devm_ioremap_resource
+++ a/drivers/rtc/rtc-davinci.c
@@ -119,8 +119,6 @@ static DEFINE_SPINLOCK(davinci_rtc_lock)
struct davinci_rtc {
struct rtc_device *rtc;
void __iomem *base;
- resource_size_t pbase;
- size_t base_size;
int irq;
};
@@ -482,7 +480,7 @@ static int __init davinci_rtc_probe(stru
{
struct device *dev = &pdev->dev;
struct davinci_rtc *davinci_rtc;
- struct resource *res, *mem;
+ struct resource *res;
int ret = 0;
davinci_rtc = devm_kzalloc(&pdev->dev, sizeof(struct davinci_rtc), GFP_KERNEL);
@@ -496,28 +494,9 @@ static int __init davinci_rtc_probe(stru
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(dev, "no mem resource\n");
- return -EINVAL;
- }
-
- davinci_rtc->pbase = res->start;
- davinci_rtc->base_size = resource_size(res);
-
- mem = devm_request_mem_region(dev, davinci_rtc->pbase,
- davinci_rtc->base_size, pdev->name);
- if (!mem) {
- dev_err(dev, "RTC registers at %08x are not free\n",
- davinci_rtc->pbase);
- return -EBUSY;
- }
-
- davinci_rtc->base = devm_ioremap(dev, davinci_rtc->pbase,
- davinci_rtc->base_size);
- if (!davinci_rtc->base) {
- dev_err(dev, "unable to ioremap MEM resource\n");
- return -ENOMEM;
- }
+ davinci_rtc->base = devm_ioremap_resource(dev, res);
+ if (IS_ERR(davinci_rtc->base))
+ return PTR_ERR(davinci_rtc->base);
platform_set_drvdata(pdev, davinci_rtc);
_
Patches currently in -mm which might be from jg1.han@xxxxxxxxxxx are
backlight-update-bd-state-fb_blank-properties-when-necessary.patch
backlight-update-backlight-status-when-necessary.patch
backlight-aat2870-remove-unnecessary-oom-messages.patch
backlight-adp8860-remove-unnecessary-oom-messages.patch
backlight-adp8870-remove-unnecessary-oom-messages.patch
backlight-corgi_lcd-remove-unnecessary-oom-messages.patch
backlight-hx8357-remove-unnecessary-oom-messages.patch
backlight-ili922x-remove-unnecessary-oom-messages.patch
backlight-ili9320-remove-unnecessary-oom-messages.patch
backlight-l4f00242t03-remove-unnecessary-oom-messages.patch
backlight-lm3533_bl-remove-unnecessary-oom-messages.patch
backlight-lms283gf05-remove-unnecessary-oom-messages.patch
backlight-platform_lcd-remove-unnecessary-oom-messages.patch
backlight-tps65217_bl-remove-unnecessary-oom-messages.patch
drivers-video-backlight-backlightc-remove-backlight-sysfs-uevent.patch
rtc-rtc-at32ap700x-remove-unnecessary-oom-messages.patch
rtc-rtc-davinci-remove-unnecessary-oom-messages.patch
rtc-rtc-ds1390-remove-unnecessary-oom-messages.patch
rtc-rtc-moxart-remove-unnecessary-oom-messages.patch
rtc-rtc-nuc900-remove-unnecessary-oom-messages.patch
rtc-rtc-pm8xxx-remove-unnecessary-oom-messages.patch
rtc-rtc-rx8025-remove-unnecessary-oom-messages.patch
rtc-rtc-sirfsoc-remove-unnecessary-oom-messages.patch
rtc-rtc-lpc32xx-remove-unnecessary-oom-messages.patch
rtc-rtc-spear-remove-unnecessary-oom-messages.patch
rtc-rtc-coh901331-use-devm_ioremap_resource.patch
rtc-rtc-davinci-use-devm_ioremap_resource.patch
rtc-rtc-vt8500-use-devm_ioremap_resource.patch
linux-next.patch
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