i2c: at91: fix compilation warning

ldesroches · Wolfram Sang · commit cd32e6ccdda1 · 2012-11-24T20:27:18.000+01:00
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 &lt;ludovic.desroches@atmel.com&gt;
Signed-off-by: Wolfram Sang &lt;w.sang@pengutronix.de&gt;
diff --git 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;
 }

Original file line number	Diff line number	Diff line change
`@@ -413,7 +413,7 @@ static struct at91_twi_pdata * __devinit at91_twi_get_driver_data(`
`413`	`413`	`match = of_match_node(atmel_twi_dt_ids, pdev->dev.of_node);`
`414`	`414`	`if (!match)`
`415`	`415`	`return NULL;`
`416`		`- return match->data;`
	`416`	`+ return (struct at91_twi_pdata *)match->data;`
`417`	`417`	`}`
`418`	`418`	`return (struct at91_twi_pdata *) platform_get_device_id(pdev)->driver_data;`
`419`	`419`	`}`