From dad57a510db9423a4128ae6565854e999cebac51 Mon Sep 17 00:00:00 2001 From: Chanho Park Date: Mon, 8 Aug 2022 09:48:51 +0900 Subject: [PATCH] spi: s3c64xx: correct dma_chan pointer initialization Use NULL for dma channel pointer initialization instead of plain integer. sparse warnings: (new ones prefixed by >>) >> drivers/spi/spi-s3c64xx.c:387:34: sparse: sparse: Using plain integer as NULL pointer drivers/spi/spi-s3c64xx.c:388:34: sparse: sparse: Using plain integer as NULL pointer Reported-by: kernel test robot Fixes: 82295bc0d192 ("spi: s3c64xx: move dma_release_channel to unprepare") Fixes: f52b03c70744 ("spi: s3c64xx: requests spi-dma channel only during data transfer") Signed-off-by: Chanho Park Reviewed-by: Andi Shyti Reviewed-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20220808004851.25122-1-chanho61.park@samsung.com Signed-off-by: Mark Brown --- drivers/spi/spi-s3c64xx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 7f346866614ab..651c35dd91244 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -389,8 +389,8 @@ static int s3c64xx_spi_unprepare_transfer(struct spi_master *spi) if (sdd->rx_dma.ch && sdd->tx_dma.ch) { dma_release_channel(sdd->rx_dma.ch); dma_release_channel(sdd->tx_dma.ch); - sdd->rx_dma.ch = 0; - sdd->tx_dma.ch = 0; + sdd->rx_dma.ch = NULL; + sdd->tx_dma.ch = NULL; } return 0; -- 2.30.2