The type of this function is unsigned long, and it is expected
to return proper fout value or zero if something is wrong.
So this patch fixes wrong return value for error cases.
Signed-off-by: YoungJun Cho <yj44.cho@xxxxxxxxxxx>
Acked-by: Inki Dae <inki.dae@xxxxxxxxxxx>
Acked-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
drivers/gpu/drm/exynos/exynos_drm_dsi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index 86aebd8..061017b 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -421,7 +421,7 @@ static unsigned long exynos_dsi_set_pll(struct exynos_dsi *dsi,
if (!fout) {
dev_err(dsi->dev,
"failed to find PLL PMS for requested frequency\n");
- return -EFAULT;
+ return 0;
}
dev_dbg(dsi->dev, "PLL freq %lu, (p %d, m %d, s %d)\n", fout, p, m, s);
@@ -453,7 +453,7 @@ static unsigned long exynos_dsi_set_pll(struct exynos_dsi *dsi,
do {
if (timeout-- == 0) {
dev_err(dsi->dev, "PLL failed to stabilize\n");
- return -EFAULT;
+ return 0;
}
reg = readl(dsi->reg_base + DSIM_STATUS_REG);
} while ((reg & DSIM_PLL_STABLE) == 0);
--
1.9.0
--
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