[PATCH v3 1/1] i2c: taos-evm: replace simple_strtoul by kstrtou8

[LABBE Corentin]

The simple_strtoul function is marked as obsolete.
This patch replace it by kstrtou8.

Signed-off-by: LABBE Corentin <clabbe.montjoie@xxxxxxxxx>
---
 drivers/i2c/busses/i2c-taos-evm.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-taos-evm.c b/drivers/i2c/busses/i2c-taos-evm.c
index 4c7fc2d..f673f5d 100644
--- a/drivers/i2c/busses/i2c-taos-evm.c
+++ b/drivers/i2c/busses/i2c-taos-evm.c
@@ -130,7 +130,13 @@ static int taos_smbus_xfer(struct i2c_adapter *adapter, u16 addr,
 			return 0;
 	} else {
 		if (p[0] == 'x') {
-			data->byte = simple_strtol(p + 1, NULL, 16);
+			/*
+			 * voluntarily dropping error code of kstrtou8 since all
+			 * error code that it could return are invalid according
+			 * to Documentation/i2c/fault-codes
+			 */
+			if (kstrtou8(p + 1, 16, &data->byte))
+				return -EPROTO;
 			return 0;
 		}
 	}
-- 
2.4.10

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