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Date: Tue, 31 Mar 2020 10:31:44 +0200 From: Benjamin Gaignard <benjamin.gaignard@...com> To: <fabrice.gasnier@...com>, <lee.jones@...aro.org>, <robh+dt@...nel.org>, <mark.rutland@....com>, <mcoquelin.stm32@...il.com>, <alexandre.torgue@...com>, <daniel.lezcano@...aro.org>, <tglx@...utronix.de> CC: <devicetree@...r.kernel.org>, <linux-stm32@...md-mailman.stormreply.com>, <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, Benjamin Gaignard <benjamin.gaignard@...com> Subject: [PATCH v5 4/6] 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 <benjamin.gaignard@...com> --- drivers/mfd/stm32-lptimer.c | 1 + 1 file changed, 1 insertion(+) 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) -- 2.15.0
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