- Declare SR as volatile, as it is changed by hardware. - Remove TXDR from readable and volatile register list, as it is intended for write accesses only.
Signed-off-by: Olivier Moysan olivier.moysan@st.com --- sound/soc/stm/stm32_i2s.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/sound/soc/stm/stm32_i2s.c b/sound/soc/stm/stm32_i2s.c index c18e068c1a0d..952634258b02 100644 --- a/sound/soc/stm/stm32_i2s.c +++ b/sound/soc/stm/stm32_i2s.c @@ -278,7 +278,6 @@ static bool stm32_i2s_readable_reg(struct device *dev, unsigned int reg) case STM32_I2S_CFG2_REG: case STM32_I2S_IER_REG: case STM32_I2S_SR_REG: - case STM32_I2S_TXDR_REG: case STM32_I2S_RXDR_REG: case STM32_I2S_CGFR_REG: return true; @@ -290,7 +289,7 @@ static bool stm32_i2s_readable_reg(struct device *dev, unsigned int reg) static bool stm32_i2s_volatile_reg(struct device *dev, unsigned int reg) { switch (reg) { - case STM32_I2S_TXDR_REG: + case STM32_I2S_SR_REG: case STM32_I2S_RXDR_REG: return true; default: