* [PATCH] omapfb: panel-tpo-td043mtea1: constify attribute_group structures. @ 2017-07-19 5:23 ` Arvind Yadav 2017-08-01 14:06 ` Bartlomiej Zolnierkiewicz 0 siblings, 1 reply; 2+ messages in thread From: Arvind Yadav @ 2017-07-19 5:23 UTC (permalink / raw) To: tomi.valkeinen, b.zolnierkie; +Cc: linux-omap, linux-fbdev, linux-kernel attribute_group are not supposed to change at runtime. All functions working with attribute_group provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 2673 368 0 3041 be1 panel-tpo-td043mtea1.o File size After adding 'const': text data bss dec hex filename 2737 304 0 3041 be1 panel-tpo-td043mtea1.o Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> --- drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td043mtea1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td043mtea1.c b/drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td043mtea1.c index 51e628b..ea8c79a 100644 --- a/drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td043mtea1.c +++ b/drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td043mtea1.c @@ -282,7 +282,7 @@ static DEVICE_ATTR(gamma, S_IRUGO | S_IWUSR, NULL, }; -static struct attribute_group tpo_td043_attr_group = { +static const struct attribute_group tpo_td043_attr_group = { .attrs = tpo_td043_attrs, }; -- 1.9.1 ^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] omapfb: panel-tpo-td043mtea1: constify attribute_group structures. 2017-07-19 5:23 ` [PATCH] omapfb: panel-tpo-td043mtea1: constify attribute_group structures Arvind Yadav @ 2017-08-01 14:06 ` Bartlomiej Zolnierkiewicz 0 siblings, 0 replies; 2+ messages in thread From: Bartlomiej Zolnierkiewicz @ 2017-08-01 14:06 UTC (permalink / raw) To: Arvind Yadav; +Cc: tomi.valkeinen, linux-omap, linux-fbdev, linux-kernel On Wednesday, July 19, 2017 10:53:11 AM Arvind Yadav wrote: > attribute_group are not supposed to change at runtime. All functions > working with attribute_group provided by <linux/sysfs.h> work > with const attribute_group. So mark the non-const structs as const. > > File size before: > text data bss dec hex filename > 2673 368 0 3041 be1 panel-tpo-td043mtea1.o > > File size After adding 'const': > text data bss dec hex filename > 2737 304 0 3041 be1 panel-tpo-td043mtea1.o > > Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Patch queued for 4.14, thanks. Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics ^ permalink raw reply [flat|nested] 2+ messages in thread
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2017-07-19 5:23 ` [PATCH] omapfb: panel-tpo-td043mtea1: constify attribute_group structures Arvind Yadav
2017-08-01 14:06 ` Bartlomiej Zolnierkiewicz
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