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[7/8] video: rockchip: dw_mipi_dsi: Correct check for lacking phy phandle

Message ID 20230522214708.3886796-8-megi@xff.cz
State Accepted
Commit 7c5f278a030359d2266b63345f9f9f2890a5f17f
Delegated to: Anatolij Gustschin
Headers show
Series Some fixes for the rockchip dw_mipi_dsi driver | expand

Commit Message

Ondřej Jirman May 22, 2023, 9:47 p.m. UTC 
From: Ondrej Jirman <megi@xff.cz>

If phy is not defined in DT (eg. on rk3399), generic_phy_get_by_name
will return -ENODATA. Handle that case correctly.

Signed-off-by: Ondrej Jirman <megi@xff.cz>
---
 drivers/video/rockchip/dw_mipi_dsi_rockchip.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/video/rockchip/dw_mipi_dsi_rockchip.c b/drivers/video/rockchip/dw_mipi_dsi_rockchip.c
index 6d8b1e6f541a..fd885ac8ccb6 100644
--- a/drivers/video/rockchip/dw_mipi_dsi_rockchip.c
+++ b/drivers/video/rockchip/dw_mipi_dsi_rockchip.c
@@ -814,9 +814,9 @@  static int dw_mipi_dsi_rockchip_probe(struct udevice *dev)
 	 * NULL if it's not initialized.
 	 */
 	ret = generic_phy_get_by_name(dev, "dphy", &priv->phy);
-	if ((ret) && (ret != -ENODEV)) {
+	if (ret && ret != -ENODATA) {
 		dev_err(dev, "failed to get mipi dphy: %d\n", ret);
-		return -EINVAL;
+		return ret;
 	}
 
 	priv->pclk = devm_clk_get(dev, "pclk");