[PATCH] spi: s3c24xx: Convert to use devm_kzalloc

[Axel Lin <axel.lin@xxxxxxxxxx>]

Simplify the cleanup code.

Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx>
---
 drivers/spi/spi-s3c24xx.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/spi/spi-s3c24xx.c b/drivers/spi/spi-s3c24xx.c
index bed2338..6db14e5 100644
--- a/drivers/spi/spi-s3c24xx.c
+++ b/drivers/spi/spi-s3c24xx.c
@@ -183,7 +183,9 @@ static int s3c24xx_spi_setup(struct spi_device *spi)
 
 	/* allocate settings on the first call */
 	if (!cs) {
-		cs = kzalloc(sizeof(struct s3c24xx_spi_devstate), GFP_KERNEL);
+		cs = devm_kzalloc(&spi->dev,
+				  sizeof(struct s3c24xx_spi_devstate),
+				  GFP_KERNEL);
 		if (!cs) {
 			dev_err(&spi->dev, "no memory for controller state\n");
 			return -ENOMEM;
@@ -209,11 +211,6 @@ static int s3c24xx_spi_setup(struct spi_device *spi)
 	return 0;
 }
 
-static void s3c24xx_spi_cleanup(struct spi_device *spi)
-{
-	kfree(spi->controller_state);
-}
-
 static inline unsigned int hw_txbyte(struct s3c24xx_spi *hw, int count)
 {
 	return hw->tx ? hw->tx[count] : 0;
@@ -543,7 +540,6 @@ static int s3c24xx_spi_probe(struct platform_device *pdev)
 	hw->bitbang.txrx_bufs      = s3c24xx_spi_txrx;
 
 	hw->master->setup  = s3c24xx_spi_setup;
-	hw->master->cleanup = s3c24xx_spi_cleanup;
 
 	dev_dbg(hw->dev, "bitbang at %p\n", &hw->bitbang);
 
-- 
1.8.3.2



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