I2C. Removed unneded return.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4545 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 3 insertions, 6 deletions

diff --git a/os/hal/platforms/STM32/I2Cv1/i2c_lld.c b/os/hal/platforms/STM32/I2Cv1/i2c_lld.c
index 08c7ee40b..5c18db706 100644
--- a/os/hal/platforms/STM32/I2Cv1/i2c_lld.c
+++ b/os/hal/platforms/STM32/I2Cv1/i2c_lld.c
@@ -281,11 +281,9 @@ static void i2c_lld_set_opmode(I2CDriver *i2cp) {
  *

  * @param[in] i2cp      pointer to the @p I2CDriver object

  *

- * @return              Useless value to protect last instruction from

- *                      optimization out.

  * @notapi

  */

-static uint32_t i2c_lld_serve_event_interrupt(I2CDriver *i2cp) {

+static void i2c_lld_serve_event_interrupt(I2CDriver *i2cp) {

   I2C_TypeDef *dp = i2cp->i2c;

   uint32_t regSR2 = dp->SR2;

   uint32_t event = dp->SR1;

@@ -314,7 +312,7 @@ static uint32_t i2c_lld_serve_event_interrupt(I2CDriver *i2cp) {
       /* Starts "read after write" operation, LSB = 1 -> receive.*/

       i2cp->addr |= 0x01;

       dp->CR1 |= I2C_CR1_START | I2C_CR1_ACK;

-      return regSR2;

+      return;

     }

     dp->CR2 &= ~I2C_CR2_ITEVTEN;

     dp->CR1 |= I2C_CR1_STOP;

@@ -325,8 +323,7 @@ static uint32_t i2c_lld_serve_event_interrupt(I2CDriver *i2cp) {
   }

   /* Clear ADDR flag. */

   if (event & (I2C_SR1_ADDR | I2C_SR1_ADD10))

-    regSR2 = dp->SR2;

-  return regSR2;

+    (void)dp->SR2;

 }

 

 /**