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xtensa/esp32: Fix ESP32 I2C driver issues

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1. when sending a message in a group fails, exit immediately
2. when catch I2C error interrupt, close interrupt
3. clear clock configuration when deinit I2C
4. free I2C interrupt when deinit I2C
This commit is contained in:
Dong Heng 2021-01-08 20:29:12 +08:00 committed by Abdelatif Guettouche
parent 3a64783273
commit 4693857b2c
1 changed files with 10 additions and 0 deletions
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10
arch/xtensa/src/esp32/esp32_i2c.c
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@ -548,6 +548,8 @@ static void esp32_i2c_deinit(FAR struct esp32_i2c_priv_s *priv)
{
const struct esp32_i2c_config_s *config = priv->config;
priv->clk_freq = 0;
modifyreg32(DPORT_PERIP_RST_EN_REG, 0, config->rst_bit);
modifyreg32(DPORT_PERIP_CLK_EN_REG, config->clk_bit, 0);
}
@ -709,6 +711,7 @@ static int esp32_i2c_transfer(FAR struct i2c_master_s *dev,
if (priv->error)
{
ret = -EIO;
break;
}
else
{
@ -782,6 +785,7 @@ static int esp32_i2c_irq(int cpuint, void *context, FAR void *arg)
if (I2C_INT_ERR_EN_BITS & status)
{
priv->error = status & I2C_INT_ERR_EN_BITS;
esp32_i2c_set_reg(priv, I2C_INT_ENA_OFFSET, 0);
nxsem_post(&priv->sem_isr);
}
else
@ -946,6 +950,12 @@ int esp32_i2cbus_uninitialize(FAR struct i2c_master_s *dev)
leave_critical_section(flags);
up_disable_irq(priv->cpuint);
esp32_detach_peripheral(priv->config->cpu,
priv->config->periph,
priv->cpuint);
esp32_free_cpuint(priv->cpuint);
esp32_i2c_deinit(priv);
esp32_i2c_sem_destroy(priv);