mmc: sdhci-esdhc-imx: Use NULL instead of zero

Fix the following sparse warning:

drivers/mmc/host/sdhci-esdhc-imx.c:617:35: warning: Using plain integer as NULL pointer

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>

diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index fa9c1b2..de2655e 100644 (file)
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -718,7 +718,7 @@ static void esdhc_request_done(struct mmc_request *mrq)
 static int esdhc_send_tuning_cmd(struct sdhci_host *host, u32 opcode)
 {
        struct mmc_command cmd = {0};
-       struct mmc_request mrq = {0};
+       struct mmc_request mrq = {NULL};
        struct mmc_data data = {0};
        struct scatterlist sg;
        char tuning_pattern[ESDHC_TUNING_BLOCK_PATTERN_LEN];