| Message ID | 005eaf8c2094581025eb5273e2c669a676b12d08.1680543810.git.william.gray@linaro.org |
|---|---|
| State | Accepted |
| Commit | 2ce987d7eeb168b749494694ae3666de87fc356e |
| Headers | show |
| Series | Fix possible deadlocks for i8255 GPIO drivers | expand |
diff --git a/drivers/gpio/gpio-104-idi-48.c b/drivers/gpio/gpio-104-idi-48.c index ca2175b84e24..ba73ee9c0c29 100644 --- a/drivers/gpio/gpio-104-idi-48.c +++ b/drivers/gpio/gpio-104-idi-48.c @@ -81,6 +81,7 @@ static const struct regmap_config idi48_regmap_config = { .wr_table = &idi_48_wr_table, .rd_table = &idi_48_rd_table, .precious_table = &idi_48_precious_table, + .use_raw_spinlock = true, }; #define IDI48_NGPIO 48
The idi48 regmap can be used in an interrupt context by regmap-irq. To prevent a deadlock, enable use_raw_spinlock for idi48_regmap_config. Fixes: e28432a77365 ("gpio: 104-idi-48: Migrate to the regmap-irq API") Signed-off-by: William Breathitt Gray <william.gray@linaro.org> --- drivers/gpio/gpio-104-idi-48.c | 1 + 1 file changed, 1 insertion(+)