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i2c_ll_stm32_v2: Disable ReloadMode, if needed, when error occurs

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Disable ReloadMode, if needed, when error occurs in polling mode.

Fixes #14568

Signed-off-by: Yannis Damigos <giannis.damigos@gmail.com>
This commit is contained in:
Yannis Damigos 2019-03-18 22:21:42 +02:00 • committed by Kumar Gala
commit 5f83759c1b
1 changed files with 9 additions and 4 deletions
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13
drivers/i2c/i2c_ll_stm32_v2.c
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@ -475,28 +475,33 @@ static inline int check_errors(struct device *dev, const char *funcname)
if (LL_I2C_IsActiveFlag_NACK(i2c)) {
LL_I2C_ClearFlag_NACK(i2c);
LOG_DBG("%s: NACK", funcname);
return -EIO;
goto error;
}
if (LL_I2C_IsActiveFlag_ARLO(i2c)) {
LL_I2C_ClearFlag_ARLO(i2c);
LOG_DBG("%s: ARLO", funcname);
return -EIO;
goto error;
}
if (LL_I2C_IsActiveFlag_OVR(i2c)) {
LL_I2C_ClearFlag_OVR(i2c);
LOG_DBG("%s: OVR", funcname);
return -EIO;
goto error;
}
if (LL_I2C_IsActiveFlag_BERR(i2c)) {
LL_I2C_ClearFlag_BERR(i2c);
LOG_DBG("%s: BERR", funcname);
return -EIO;
goto error;
}
return 0;
error:
if (LL_I2C_IsEnabledReloadMode(i2c)) {
LL_I2C_DisableReloadMode(i2c);
}
return -EIO;
}
static inline int msg_done(struct device *dev, unsigned int current_msg_flags)