i2c: nvidia-gpu: adhere to I2C fault codes
authorWolfram Sang <wsa@the-dreams.de>
Fri, 9 Nov 2018 17:02:16 +0000 (18:02 +0100)
committerWolfram Sang <wsa@the-dreams.de>
Tue, 27 Nov 2018 12:59:10 +0000 (13:59 +0100)
As described in Documentation/i2c/fault-codes.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Fixes: c71bcdcb42a7 ("i2c: add i2c bus driver for NVIDIA GPU")
Acked-by: Ajay Gupta <ajayg@nvidia.com>
Tested-by: Ajay Gupta <ajayg@nvidia.com>
drivers/i2c/busses/i2c-nvidia-gpu.c

index 8822357bca0c3d0db51e4a5d7ba1cf751374e505..4307b42901a1341a2e9597e731afd95a557beb89 100644 (file)
@@ -89,7 +89,7 @@ static int gpu_i2c_check_status(struct gpu_i2c_dev *i2cd)
 
        if (time_is_before_jiffies(target)) {
                dev_err(i2cd->dev, "i2c timeout error %x\n", val);
-               return -ETIME;
+               return -ETIMEDOUT;
        }
 
        val = readl(i2cd->regs + I2C_MST_CNTL);
@@ -97,9 +97,9 @@ static int gpu_i2c_check_status(struct gpu_i2c_dev *i2cd)
        case I2C_MST_CNTL_STATUS_OKAY:
                return 0;
        case I2C_MST_CNTL_STATUS_NO_ACK:
-               return -EIO;
+               return -ENXIO;
        case I2C_MST_CNTL_STATUS_TIMEOUT:
-               return -ETIME;
+               return -ETIMEDOUT;
        default:
                return 0;
        }