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arch/arm/src/stm32/stm32f40xxx_i2c.c: Correct some recent changes to STM32F4 I2C that broke poll mode of operation.

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Alexander Oryshchenko 2018-01-24 06:58:47 -06:00 committed by Gregory Nutt
parent a7e56359a4
commit d1cfcabb1f
1 changed files with 2 additions and 2 deletions
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arch/arm/src/stm32/stm32f40xxx_i2c.c
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@ -1273,7 +1273,7 @@ static int stm32_i2c_isr_process(struct stm32_i2c_priv_s *priv)
if (priv->dcnt == -1 && priv->msgc != 0 && (status & I2C_SR1_SB) == 0)
{
#ifdef CONFIG_STM32_I2C_DMA
#if defined(CONFIG_STM32_I2C_DMA) || defined(CONFIG_I2C_POLLED)
return OK;
#else
priv->status |= I2C_SR1_TIMEOUT;
@ -2049,7 +2049,7 @@ static int stm32_i2c_isr_process(struct stm32_i2c_priv_s *priv)
/* Clear interrupt flags */
#ifndef CONFIG_STM32_I2C_DMA
#if !defined(CONFIG_STM32_I2C_DMA) && !defined(CONFIG_I2C_POLLED)
state_error:
#endif
stm32_i2c_putreg(priv, STM32_I2C_SR1_OFFSET, 0);