[PATCH] spi: txx9: Use devm_ioremap_resource()

[Jingoo Han <jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>]

Use devm_ioremap_resource() in order to make the code simpler,
and remove redundant return value check of platform_get_resource()
because the value is checked by devm_ioremap_resource().

Signed-off-by: Jingoo Han <jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
---
 drivers/spi/spi-txx9.c |    9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/spi/spi-txx9.c b/drivers/spi/spi-txx9.c
index 523f13d..5cfaafc 100644
--- a/drivers/spi/spi-txx9.c
+++ b/drivers/spi/spi-txx9.c
@@ -358,13 +358,8 @@ static int txx9spi_probe(struct platform_device *dev)
 	master->max_speed_hz = c->baseclk / (SPI_MIN_DIVIDER + 1);
 
 	res = platform_get_resource(dev, IORESOURCE_MEM, 0);
-	if (!res)
-		goto exit_busy;
-	if (!devm_request_mem_region(&dev->dev, res->start, resource_size(res),
-				     "spi_txx9"))
-		goto exit_busy;
-	c->membase = devm_ioremap(&dev->dev, res->start, resource_size(res));
-	if (!c->membase)
+	c->membase = devm_ioremap_resource(&dev->dev, res);
+	if (IS_ERR(c->membase))
 		goto exit_busy;
 
 	/* enter config mode */
-- 
1.7.10.4


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