From 01407940f9cd3bd87f3b707f7175f6f41ac1238b Mon Sep 17 00:00:00 2001 From: William Breathitt Gray Date: Mon, 3 Apr 2023 13:53:13 -0400 Subject: [PATCH 1/2] 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 Reviewed-by: Linus Walleij Signed-off-by: Bartosz Golaszewski --- drivers/gpio/gpio-104-dio-48e.c | 1 + 1 file changed, 1 insertion(+) 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 */ From 2ce987d7eeb168b749494694ae3666de87fc356e Mon Sep 17 00:00:00 2001 From: William Breathitt Gray Date: Mon, 3 Apr 2023 13:53:14 -0400 Subject: [PATCH 2/2] gpio: 104-idi-48: Enable use_raw_spinlock for idi48_regmap_config 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 Reviewed-by: Linus Walleij Signed-off-by: Bartosz Golaszewski --- drivers/gpio/gpio-104-idi-48.c | 1 + 1 file changed, 1 insertion(+) 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