6.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Damon Ding damon.ding@rock-chips.com
[ Upstream commit 6579a03e68ffa5feb2d2823dea16ca7466f6de16 ]
With the commit f37952339cc2 ("drm/bridge: analogix_dp: handle clock via runtime PM"), the PM operations can help enable/disable the clock. The err_disable_clk label and clk_disable_unprepare() operations are no longer necessary because the analogix_dp_resume() will not be called during probing.
Fixes: f37952339cc2 ("drm/bridge: analogix_dp: handle clock via runtime PM") Suggested-by: Douglas Anderson dianders@chromium.org Reviewed-by: Douglas Anderson dianders@chromium.org Signed-off-by: Damon Ding damon.ding@rock-chips.com Reviewed-by: Heiko Stuebner heiko@sntech.de Link: https://lore.kernel.org/r/20250302083043.3197235-1-damon.ding@rock-chips.com Signed-off-by: Dmitry Baryshkov dmitry.baryshkov@oss.qualcomm.com Signed-off-by: Sasha Levin sashal@kernel.org --- .../gpu/drm/bridge/analogix/analogix_dp_core.c | 18 +++++------------- 1 file changed, 5 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index 071168aa0c3bd..533a6e17cf674 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -1597,10 +1597,8 @@ analogix_dp_probe(struct device *dev, struct analogix_dp_plat_data *plat_data) }
dp->reg_base = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(dp->reg_base)) { - ret = PTR_ERR(dp->reg_base); - goto err_disable_clk; - } + if (IS_ERR(dp->reg_base)) + return ERR_CAST(dp->reg_base);
dp->force_hpd = of_property_read_bool(dev->of_node, "force-hpd");
@@ -1612,8 +1610,7 @@ analogix_dp_probe(struct device *dev, struct analogix_dp_plat_data *plat_data) if (IS_ERR(dp->hpd_gpiod)) { dev_err(dev, "error getting HDP GPIO: %ld\n", PTR_ERR(dp->hpd_gpiod)); - ret = PTR_ERR(dp->hpd_gpiod); - goto err_disable_clk; + return ERR_CAST(dp->hpd_gpiod); }
if (dp->hpd_gpiod) { @@ -1633,8 +1630,7 @@ analogix_dp_probe(struct device *dev, struct analogix_dp_plat_data *plat_data)
if (dp->irq == -ENXIO) { dev_err(&pdev->dev, "failed to get irq\n"); - ret = -ENODEV; - goto err_disable_clk; + return ERR_PTR(-ENODEV); }
ret = devm_request_threaded_irq(&pdev->dev, dp->irq, @@ -1643,15 +1639,11 @@ analogix_dp_probe(struct device *dev, struct analogix_dp_plat_data *plat_data) irq_flags, "analogix-dp", dp); if (ret) { dev_err(&pdev->dev, "failed to request irq\n"); - goto err_disable_clk; + return ERR_PTR(ret); } disable_irq(dp->irq);
return dp; - -err_disable_clk: - clk_disable_unprepare(dp->clock); - return ERR_PTR(ret); } EXPORT_SYMBOL_GPL(analogix_dp_probe);