From: Benjamin Gaignard Date: Wed, 3 Jun 2020 12:54:37 +0000 (+0200) Subject: mfd: stm32: Enable regmap fast_io for stm32-lptimer X-Git-Tag: v5.15~3082^2~73 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=45d93065c8ec4e671f4b1ff02b5b3a633658a92f;p=platform%2Fkernel%2Flinux-starfive.git mfd: stm32: Enable regmap fast_io for stm32-lptimer Because stm32-lptimer need to write in registers in interrupt context enable regmap fast_io to use a spin_lock to protect registers access rather than a mutex. Signed-off-by: Benjamin Gaignard Signed-off-by: Lee Jones --- diff --git a/drivers/mfd/stm32-lptimer.c b/drivers/mfd/stm32-lptimer.c index a00f99f36559..746e51a17cc8 100644 --- a/drivers/mfd/stm32-lptimer.c +++ b/drivers/mfd/stm32-lptimer.c @@ -17,6 +17,7 @@ static const struct regmap_config stm32_lptimer_regmap_cfg = { .val_bits = 32, .reg_stride = sizeof(u32), .max_register = STM32_LPTIM_MAX_REGISTER, + .fast_io = true, }; static int stm32_lptimer_detect_encoder(struct stm32_lptimer *ddata)