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video: rockchip: mpp: fix mistake writing

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Change-Id: I0cd75cc86810bdc29f75d9dd797c9100e1d5c440
Signed-off-by: Ding Wei <leo.ding@rock-chips.com>
This commit is contained in:
Ding Wei 2019-11-24 19:57:32 +08:00
parent 8e651bd57d
commit 869938b29a
1 changed files with 13 additions and 4 deletions
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17
drivers/video/rockchip/mpp/mpp_service.c
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@ -46,23 +46,32 @@ static int mpp_init_grf(struct device_node *np,
struct mpp_grf_info *grf_info,
const char *name)
{
int ret;
int index;
u32 grf_offset = 0;
u32 grf_value = 0;
struct regmap *grf;
grf = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
if (IS_ERR_OR_NULL(grf_info->grf))
if (IS_ERR_OR_NULL(grf))
return -EINVAL;
of_property_read_u32(np, "rockchip,grf-offset", &grf_info->offset);
ret = of_property_read_u32(np, "rockchip,grf-offset", &grf_offset);
if (ret)
return -ENODATA;
index = of_property_match_string(np, "rockchip,grf-names", name);
if (index < 0)
return -ENODATA;
of_property_read_u32_index(np, "rockchip,grf-values",
index, &grf_info->val);
ret = of_property_read_u32_index(np, "rockchip,grf-values",
index, &grf_value);
if (ret)
return -ENODATA;
grf_info->grf = grf;
grf_info->offset = grf_offset;
grf_info->val = grf_value;
return 0;
}