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authorWilliam Breathitt Gray <william.gray@linaro.org>2023-04-03 20:53:13 +0300
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2023-04-11 22:08:25 +0300
commit01407940f9cd3bd87f3b707f7175f6f41ac1238b (patch)
tree902b01ff149d6e3e258cc703d95af08f10a6bc45 /drivers/gpio/gpio-104-dio-48e.c
parent09a9639e56c01c7a00d6c0ca63f4c7c41abe075d (diff)
downloadlinux-01407940f9cd3bd87f3b707f7175f6f41ac1238b.tar.xz
gpio: 104-dio-48e: Enable use_raw_spinlock for dio48e_regmap_config
The dio48e regmap can be used in an interrupt context by regmap-irq. To prevent a deadlock, enable use_raw_spinlock for dio48e_regmap_config. Fixes: 2f7e845f512f ("gpio: 104-dio-48e: Migrate to the regmap-irq API") Signed-off-by: William Breathitt Gray <william.gray@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-104-dio-48e.c')
-rw-r--r--drivers/gpio/gpio-104-dio-48e.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-104-dio-48e.c b/drivers/gpio/gpio-104-dio-48e.c
index a3846faf3780..11c48130bb8f 100644
--- a/drivers/gpio/gpio-104-dio-48e.c
+++ b/drivers/gpio/gpio-104-dio-48e.c
@@ -86,6 +86,7 @@ static const struct regmap_config dio48e_regmap_config = {
.volatile_table = &dio48e_volatile_table,
.precious_table = &dio48e_precious_table,
.cache_type = REGCACHE_FLAT,
+ .use_raw_spinlock = true,
};
/* only bit 3 on each respective Port C supports interrupts */