drm/msm/dsi: use devm_of_clk_add_hw_provider

Use devm_of_clk_add_hw_provider() to register provided clocks. This
allows dropping the remove function alltogether.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Tested-by: Stephen Boyd <swboyd@chromium.org> # on sc7180 lazor
Link: https://lore.kernel.org/r/20210331105735.3690009-13-dmitry.baryshkov@linaro.orgSigned-off-by: Rob Clark <robdclark@chromium.org>

drivers/gpu/drm/msm/dsi/phy/dsi_phy.c

@@ -728,7 +728,7 @@ static int dsi_phy_driver_probe(struct platform_device *pdev)
 		}
 	}
 
-	ret = of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get,
+	ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
 				     phy->provided_clocks);
 	if (ret) {
 		DRM_DEV_ERROR(dev, "%s: failed to register clk provider: %d\n", __func__, ret);
@@ -742,31 +742,11 @@ static int dsi_phy_driver_probe(struct platform_device *pdev)
 	return 0;
 
 fail:
-	if (phy->pll) {
-		of_clk_del_provider(dev->of_node);
-		phy->pll = NULL;
-	}
-
 	return ret;
 }
 
-static int dsi_phy_driver_remove(struct platform_device *pdev)
-{
-	struct msm_dsi_phy *phy = platform_get_drvdata(pdev);
-
-	if (phy && phy->pll) {
-		of_clk_del_provider(pdev->dev.of_node);
-		phy->pll = NULL;
-	}
-
-	platform_set_drvdata(pdev, NULL);
-
-	return 0;
-}
-
 static struct platform_driver dsi_phy_platform_driver = {
 	.probe      = dsi_phy_driver_probe,
-	.remove     = dsi_phy_driver_remove,
 	.driver     = {
 		.name   = "msm_dsi_phy",
 		.of_match_table = dsi_phy_dt_match,