dasharo/zephyr
0
0
Fork 0
mirror of https://github.com/Dasharo/zephyr.git synced 2026-03-06 14:57:20 -08:00
Code Issues Packages Projects Releases Wiki Activity

drivers: i2c: add error handling

Browse Source 
Return errors when failing at consecutive transactions and
missing targets.

Signed-off-by: Wei-Tai Lee <wtlee@andestech.com>
This commit is contained in:
Wei-Tai Lee
2023-06-08 10:40:10 +08:00
committed by Carles Cufí
parent fc89a85c29
commit f2e0f787bf
1 changed files with 13 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/i2c/i2c_andes_atciic100.c
View File

@@ -185,6 +185,10 @@ static int i2c_atciic100_transfer(const struct device *dev,
ret = i2c_atciic100_controller_receive(dev,
addr, msgs[i].buf, msgs[i].len, msgs[i].flags);
}
if (ret < 0) {
goto exit;
}
}
exit:
@@ -296,6 +300,11 @@ static int i2c_atciic100_controller_send(const struct device *dev,
sys_write32(reg, I2C_CMD(dev));
k_sem_take(&dev_data->device_sync_sem, K_FOREVER);
if (dev_data->status.target_ack != 1) {
return -EIO;
}
dev_data->status.target_ack = 0;
return 0;
}
@@ -388,6 +397,10 @@ static int i2c_atciic100_controller_receive(const struct device *dev,
sys_write32(reg, I2C_CMD(dev));
k_sem_take(&dev_data->device_sync_sem, K_FOREVER);
if (dev_data->status.target_ack != 1) {
return -EIO;
}
dev_data->status.target_ack = 0;
return 0;
}