mmc: rockchip_sdhci: Correct error checking
A pointer can not be negative. Use macro IS_ERR_OR_NULL() for checking.
Signed-off-by: Haolin Li <li.haolin@qq.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
diff --git a/drivers/mmc/rockchip_sdhci.c b/drivers/mmc/rockchip_sdhci.c
index 1fdc841..9608770 100644
--- a/drivers/mmc/rockchip_sdhci.c
+++ b/drivers/mmc/rockchip_sdhci.c
@@ -227,7 +227,7 @@
}
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;
}