i2c: at91: fix compilation warning

This patch fixes the following warning:
drivers/i2c/busses/i2c-at91.c: In function ‘at91_twi_get_driver_data’:
drivers/i2c/busses/i2c-at91.c:411:3: warning: return discards ‘const’ qualifier from pointer target type [enabled by default]

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c
index c02bf208084f..511bd756f280 100644
--- a/drivers/i2c/busses/i2c-at91.c
+++ b/drivers/i2c/busses/i2c-at91.c
@@ -413,7 +413,7 @@ static struct at91_twi_pdata * __devinit at91_twi_get_driver_data(
                 match = of_match_node(atmel_twi_dt_ids, pdev->dev.of_node);
                 if (!match)
                         return NULL;
-                return match->data;
+                return (struct at91_twi_pdata *)match->data;
         }
         return (struct at91_twi_pdata *) platform_get_device_id(pdev)->driver_data;
 }