Messages in this thread | | | Subject | Re: [PATCH v6 4/6] mfd: stm32: enable regmap fast_io for stm32-lptimer | From | Fabrice Gasnier <> | Date | Wed, 1 Apr 2020 10:52:20 +0200 |
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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@st.com> > --- > drivers/mfd/stm32-lptimer.c | 1 + > 1 file changed, 1 insertion(+) Hi Benjamin,
Acked-by: Fabrice Gasnier <fabrice.gasnier@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) >
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