6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> [ Upstream commit 18ccc237cf646f93e25b802e5cca0788f4f48b39 ] In preparation for adding support for eDP, move the PHY registration code to a new mtk_dp_register_phy() function for better readability. This commit brings no functional changes. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> Tested-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx> Reviewed-by: Alexandre Mergnat <amergnat@xxxxxxxxxxxx> Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx> Link: https://patchwork.kernel.org/project/dri-devel/patch/20230725073234.55892-9-angelogioacchino.delregno@xxxxxxxxxxxxx/ Signed-off-by: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx> Stable-dep-of: 8431fff9e0f3 ("drm/mediatek: dp: Fix mtk_dp_aux_transfer return value") Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/gpu/drm/mediatek/mtk_dp.c | 43 +++++++++++++++++++------------ 1 file changed, 26 insertions(+), 17 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dp.c b/drivers/gpu/drm/mediatek/mtk_dp.c index 519e23a2a017c..326a536e677cd 100644 --- a/drivers/gpu/drm/mediatek/mtk_dp.c +++ b/drivers/gpu/drm/mediatek/mtk_dp.c @@ -2490,6 +2490,29 @@ static int mtk_dp_register_audio_driver(struct device *dev) return PTR_ERR_OR_ZERO(mtk_dp->audio_pdev); } +static int mtk_dp_register_phy(struct mtk_dp *mtk_dp) +{ + struct device *dev = mtk_dp->dev; + + mtk_dp->phy_dev = platform_device_register_data(dev, "mediatek-dp-phy", + PLATFORM_DEVID_AUTO, + &mtk_dp->regs, + sizeof(struct regmap *)); + if (IS_ERR(mtk_dp->phy_dev)) + return dev_err_probe(dev, PTR_ERR(mtk_dp->phy_dev), + "Failed to create device mediatek-dp-phy\n"); + + mtk_dp_get_calibration_data(mtk_dp); + + mtk_dp->phy = devm_phy_get(&mtk_dp->phy_dev->dev, "dp"); + if (IS_ERR(mtk_dp->phy)) { + platform_device_unregister(mtk_dp->phy_dev); + return dev_err_probe(dev, PTR_ERR(mtk_dp->phy), "Failed to get phy\n"); + } + + return 0; +} + static int mtk_dp_probe(struct platform_device *pdev) { struct mtk_dp *mtk_dp; @@ -2547,23 +2570,9 @@ static int mtk_dp_probe(struct platform_device *pdev) } } - mtk_dp->phy_dev = platform_device_register_data(dev, "mediatek-dp-phy", - PLATFORM_DEVID_AUTO, - &mtk_dp->regs, - sizeof(struct regmap *)); - if (IS_ERR(mtk_dp->phy_dev)) - return dev_err_probe(dev, PTR_ERR(mtk_dp->phy_dev), - "Failed to create device mediatek-dp-phy\n"); - - mtk_dp_get_calibration_data(mtk_dp); - - mtk_dp->phy = devm_phy_get(&mtk_dp->phy_dev->dev, "dp"); - - if (IS_ERR(mtk_dp->phy)) { - platform_device_unregister(mtk_dp->phy_dev); - return dev_err_probe(dev, PTR_ERR(mtk_dp->phy), - "Failed to get phy\n"); - } + ret = mtk_dp_register_phy(mtk_dp); + if (ret) + return ret; mtk_dp->bridge.funcs = &mtk_dp_bridge_funcs; mtk_dp->bridge.of_node = dev->of_node; -- 2.43.0
