[patch] drm/mediatek/mtk_mipi_tx: checking the wrong variable

[Dan Carpenter]

We should be checking "phy_provider" here not "phy".

Fixes: 2e54c14e310f ('drm/mediatek: Add DSI sub driver')
Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>

diff --git a/drivers/gpu/drm/mediatek/mtk_mipi_tx.c 
b/drivers/gpu/drm/mediatek/mtk_mipi_tx.c
index cf8f38d..1c366f8 100644
--- a/drivers/gpu/drm/mediatek/mtk_mipi_tx.c
+++ b/drivers/gpu/drm/mediatek/mtk_mipi_tx.c
@@ -431,7 +431,7 @@ static int mtk_mipi_tx_probe(struct platform_device *pdev)
        phy_set_drvdata(phy, mipi_tx);

        phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
-       if (IS_ERR(phy)) {
+       if (IS_ERR(phy_provider)) {
                ret = PTR_ERR(phy_provider);
                return ret;
        }