From: Wolfram Sang <wsa@the-dreams.de>
Date: Fri, 9 Nov 2018 17:02:16 +0000 (+0100)
Subject: i2c: nvidia-gpu: adhere to I2C fault codes
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=98be694ba25fa0e87811e7784b782c9498741b26;p=openwrt%2Fstaging%2Fblogic.git

i2c: nvidia-gpu: adhere to I2C fault codes

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>
---

diff --git a/drivers/i2c/busses/i2c-nvidia-gpu.c b/drivers/i2c/busses/i2c-nvidia-gpu.c
index 8822357bca0c..4307b42901a1 100644
--- a/drivers/i2c/busses/i2c-nvidia-gpu.c
+++ b/drivers/i2c/busses/i2c-nvidia-gpu.c
@@ -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;
 	}