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Groups > linux.kernel > #1714812
| From | Arvind Yadav <arvind.yadav.cs@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH] auxdisplay: constify charlcd_ops structures |
| Date | 2017-08-18 13:30 +0200 |
| Message-ID | <ufNDs-30g-21@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
charlcd_ops are not supposed to change at runtime. All functions
working with charlcd_ops provided by <misc/charlcd.h> work with
const charlcd_ops. So mark the non-const structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
drivers/auxdisplay/panel.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/auxdisplay/panel.c b/drivers/auxdisplay/panel.c
index 7a8b8fb..df126dc 100644
--- a/drivers/auxdisplay/panel.c
+++ b/drivers/auxdisplay/panel.c
@@ -877,21 +877,21 @@ static void lcd_clear_fast_tilcd(struct charlcd *charlcd)
spin_unlock_irq(&pprt_lock);
}
-static struct charlcd_ops charlcd_serial_ops = {
+static const struct charlcd_ops charlcd_serial_ops = {
.write_cmd = lcd_write_cmd_s,
.write_data = lcd_write_data_s,
.clear_fast = lcd_clear_fast_s,
.backlight = lcd_backlight,
};
-static struct charlcd_ops charlcd_parallel_ops = {
+static const struct charlcd_ops charlcd_parallel_ops = {
.write_cmd = lcd_write_cmd_p8,
.write_data = lcd_write_data_p8,
.clear_fast = lcd_clear_fast_p8,
.backlight = lcd_backlight,
};
-static struct charlcd_ops charlcd_tilcd_ops = {
+static const struct charlcd_ops charlcd_tilcd_ops = {
.write_cmd = lcd_write_cmd_tilcd,
.write_data = lcd_write_data_tilcd,
.clear_fast = lcd_clear_fast_tilcd,
--
1.9.1
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[PATCH] auxdisplay: constify charlcd_ops structures Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-08-18 13:30 +0200
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