Hi,

On 9/8/22 12:59, Alain Volmat wrote:
Comment within stm32_i2c_message_start is misleading, indicating
that AUTOEND bit is setted while it is actually cleared.
Moreover, the bit is actually never setted so there is no need
to clear it hence get rid of this bit clear and the bit macro
as well.

Signed-off-by: Alain Volmat <alain.vol...@foss.st.com>
---
  drivers/i2c/stm32f7_i2c.c | 6 ++----
  1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/i2c/stm32f7_i2c.c b/drivers/i2c/stm32f7_i2c.c
index bf2a6c9b4b..78d7156492 100644
--- a/drivers/i2c/stm32f7_i2c.c
+++ b/drivers/i2c/stm32f7_i2c.c
@@ -57,7 +57,6 @@ struct stm32_i2c_regs {
  #define STM32_I2C_CR1_PE                      BIT(0)
/* STM32 I2C control 2 */
-#define STM32_I2C_CR2_AUTOEND                  BIT(25)
  #define STM32_I2C_CR2_RELOAD                  BIT(24)
  #define STM32_I2C_CR2_NBYTES_MASK             GENMASK(23, 16)
  #define STM32_I2C_CR2_NBYTES(n)                       ((n & 0xff) << 16)
@@ -304,9 +303,8 @@ static void stm32_i2c_message_start(struct stm32_i2c_priv 
*i2c_priv,
                cr2 |= STM32_I2C_CR2_SADD7(msg->addr);
        }
- /* Set nb bytes to transfer and reload or autoend bits */
-       cr2 &= ~(STM32_I2C_CR2_NBYTES_MASK | STM32_I2C_CR2_RELOAD |
-                STM32_I2C_CR2_AUTOEND);
+       /* Set nb bytes to transfer and reload (if needed) */
+       cr2 &= ~(STM32_I2C_CR2_NBYTES_MASK | STM32_I2C_CR2_RELOAD);
        if (msg->len > STM32_I2C_MAX_LEN) {
                cr2 |= STM32_I2C_CR2_NBYTES(STM32_I2C_MAX_LEN);
                cr2 |= STM32_I2C_CR2_RELOAD;


Reviewed-by: Patrick Delaunay <patrick.delau...@foss.st.com>

Thanks
Patrick

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