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authorJulia Lawall <julia.lawall@lip6.fr>2016-08-31 11:05:25 +0300
committerAlexandre Belloni <alexandre.belloni@free-electrons.com>2016-09-02 02:24:06 +0300
commit34c7b3ac4ccb6a972f81a4102c8ef216ca1fb155 (patch)
treea3ddef13f50f73d1c031130ac6a8cb1400464d6d /drivers/rtc/rtc-twl.c
parent637cac7c139f6433506f38aca85c2bf37ff64787 (diff)
downloadlinux-34c7b3ac4ccb6a972f81a4102c8ef216ca1fb155.tar.xz
rtc: constify rtc_class_ops structures
Check for rtc_class_ops structures that are only passed to devm_rtc_device_register, rtc_device_register, platform_device_register_data, all of which declare the corresponding parameter as const. Declare rtc_class_ops structures that have these properties as const. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r disable optional_qualifier@ identifier i; position p; @@ static struct rtc_class_ops i@p = { ... }; @ok@ identifier r.i; expression e1,e2,e3,e4; position p; @@ ( devm_rtc_device_register(e1,e2,&i@p,e3) | rtc_device_register(e1,e2,&i@p,e3) | platform_device_register_data(e1,e2,e3,&i@p,e4) ) @bad@ position p != {r.p,ok.p}; identifier r.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct rtc_class_ops i = { ... }; // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Acked-by: Baruch Siach <baruch@tkos.co.il> Acked-by: Hans Ulli Kroll <ulli.kroll@googlemail.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'drivers/rtc/rtc-twl.c')
-rw-r--r--drivers/rtc/rtc-twl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c
index 2dc787dc06c1..176720b7b9e5 100644
--- a/drivers/rtc/rtc-twl.c
+++ b/drivers/rtc/rtc-twl.c
@@ -462,7 +462,7 @@ out:
return ret;
}
-static struct rtc_class_ops twl_rtc_ops = {
+static const struct rtc_class_ops twl_rtc_ops = {
.read_time = twl_rtc_read_time,
.set_time = twl_rtc_set_time,
.read_alarm = twl_rtc_read_alarm,