[Linux-stm32] [PATCH v6 4/6] mfd: stm32: enable regmap fast_io for stm32-lptimer

[Fabrice Gasnier]

On 4/1/20 10:39 AM, Benjamin Gaignard wrote:
> 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 <benjamin.gaignard at st.com>
> ---
>  drivers/mfd/stm32-lptimer.c | 1 +
>  1 file changed, 1 insertion(+)
Hi Benjamin,

Acked-by: Fabrice Gasnier <fabrice.gasnier at st.com>

Thanks,
Fabrice
> 
> 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)
>