[PATCH] mmc: rockchip_sdhci: Correct error checking

From: Haolin Li li.haolin@qq.com

A pointer can not be negative. Use macro IS_ERR_OR_NULL() for checking.

Signed-off-by: Haolin Li li.haolin@qq.com --- drivers/mmc/rockchip_sdhci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/rockchip_sdhci.c b/drivers/mmc/rockchip_sdhci.c index f3f9d83ba3..a46895299d 100644 --- a/drivers/mmc/rockchip_sdhci.c +++ b/drivers/mmc/rockchip_sdhci.c @@ -227,7 +227,7 @@ static int rk3399_emmc_get_phy(struct udevice *dev) }

grf_base = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); - if (grf_base < 0) { + if (IS_ERR_OR_NULL(grf_base)) { printf("%s Get syscon grf failed", __func__); return -ENODEV; }