Hi Heiko,
On Fri Nov 8, 2024 at 3:44 PM CET, Heiko Stuebner wrote:
> From: Heiko Stuebner <heiko.stueb...@cherry.de>
>
> DRM_DEV_ERROR is deprecated and using dev_err_probe saves quite a number
> of lines too, so convert the error prints for the dsi-driver.
>
> Signed-off-by: Heiko Stuebner <heiko.stueb...@cherry.de>
> ---
> .../gpu/drm/rockchip/dw-mipi-dsi-rockchip.c | 80 ++++++-------------
> 1 file changed, 26 insertions(+), 54 deletions(-)
>
> diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
> b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
> index 58a44af0e9ad..3224ab749352 100644
> --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
> +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
> @@ -1356,17 +1356,15 @@ static int dw_mipi_dsi_rockchip_probe(struct
> platform_device *pdev)
> struct resource *res;
> const struct rockchip_dw_dsi_chip_data *cdata >
> of_device_get_match_data(dev);
> - int ret, i;
> + int i;
>
> dsi = devm_kzalloc(dev, sizeof(*dsi), GFP_KERNEL);
> if (!dsi)
> return -ENOMEM;
>
> dsi->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
> - if (IS_ERR(dsi->base)) {
> - DRM_DEV_ERROR(dev, "Unable to get dsi registers\n");
> - return PTR_ERR(dsi->base);
> - }
> + if (IS_ERR(dsi->base))
> + return dev_err_probe(dev, PTR_ERR(dsi->base), "Unable to get
> dsi registers\n");
>
> i = 0;
> while (cdata[i].reg) {
> @@ -1378,67 +1376,47 @@ static int dw_mipi_dsi_rockchip_probe(struct
> platform_device *pdev)
> i++;
> }
>
> - if (!dsi->cdata) {
> - DRM_DEV_ERROR(dev, "no dsi-config for %s node\n", np->name);
> - return -EINVAL;
> - }
> + if (!dsi->cdata)
> + return dev_err_probe(dev, -EINVAL, "No dsi-config for %s
> node\n", np->name);
>
> /* try to get a possible external dphy */
> dsi->phy = devm_phy_optional_get(dev, "dphy");
> - if (IS_ERR(dsi->phy)) {
> - ret = PTR_ERR(dsi->phy);
> - DRM_DEV_ERROR(dev, "failed to get mipi dphy: %d\n", ret);
> - return ret;
> - }
> + if (IS_ERR(dsi->phy))
> + return dev_err_probe(dev, PTR_ERR(dsi->phy), "Failed to get
> mipi dphy\n");One small remark/question: wouldn't the recently introduced [1] dev_warn_probe be more appropriate here, given that "dphy" is optional? But besides that, the 'conversion' to use dev_err_probe was done consistently and in line with other dev_err_probe conversions and looks much cleaner and thus better then the previous code. Thanks! Feel free to add my Reviewed-by: Diederik de Haas <didi.deb...@cknow.org> [1] https://lore.kernel.org/linux-rockchip/2be0a28538bb2a3d1bcc91e2ca1f2d0dc09146d9.1727601608.git.dsi...@manjaro.org/ > > dsi->pclk = devm_clk_get(dev, "pclk"); > - if (IS_ERR(dsi->pclk)) { > - ret = PTR_ERR(dsi->pclk); > - DRM_DEV_ERROR(dev, "Unable to get pclk: %d\n", ret); > - return ret; > - } > + if (IS_ERR(dsi->pclk)) > + return dev_err_probe(dev, PTR_ERR(dsi->pclk), "Unable to get > pclk\n"); > > dsi->pllref_clk = devm_clk_get(dev, "ref"); > if (IS_ERR(dsi->pllref_clk)) { > - if (dsi->phy) { > + if (dsi->phy) > /* > * if external phy is present, pll will be > * generated there. > */ > dsi->pllref_clk = NULL; > - } else { > - ret = PTR_ERR(dsi->pllref_clk); > - DRM_DEV_ERROR(dev, > - "Unable to get pll reference clock: %d\n", > - ret); > - return ret; > - } > + else > + return dev_err_probe(dev, PTR_ERR(dsi->pllref_clk), > + "Unable to get pll reference > clock\n"); > } > > if (dsi->cdata->flags & DW_MIPI_NEEDS_PHY_CFG_CLK) { > dsi->phy_cfg_clk = devm_clk_get(dev, "phy_cfg"); > - if (IS_ERR(dsi->phy_cfg_clk)) { > - ret = PTR_ERR(dsi->phy_cfg_clk); > - DRM_DEV_ERROR(dev, > - "Unable to get phy_cfg_clk: %d\n", ret); > - return ret; > - } > + if (IS_ERR(dsi->phy_cfg_clk)) > + return dev_err_probe(dev, PTR_ERR(dsi->phy_cfg_clk), > + "Unable to get phy_cfg_clk\n"); > } > > if (dsi->cdata->flags & DW_MIPI_NEEDS_GRF_CLK) { > dsi->grf_clk = devm_clk_get(dev, "grf"); > - if (IS_ERR(dsi->grf_clk)) { > - ret = PTR_ERR(dsi->grf_clk); > - DRM_DEV_ERROR(dev, "Unable to get grf_clk: %d\n", ret); > - return ret; > - } > + if (IS_ERR(dsi->grf_clk)) > + return dev_err_probe(dev, PTR_ERR(dsi->grf_clk), > "Unable to get grf_clk\n"); > } > > dsi->grf_regmap = syscon_regmap_lookup_by_phandle(np, "rockchip,grf"); > - if (IS_ERR(dsi->grf_regmap)) { > - DRM_DEV_ERROR(dev, "Unable to get rockchip,grf\n"); > - return PTR_ERR(dsi->grf_regmap); > - } > + if (IS_ERR(dsi->grf_regmap)) > + return dev_err_probe(dev, PTR_ERR(dsi->grf_regmap), "Unable to > get rockchip,grf\n"); > > dsi->dev = dev; > dsi->pdata.base = dsi->base; > @@ -1451,24 +1429,18 @@ static int dw_mipi_dsi_rockchip_probe(struct > platform_device *pdev) > mutex_init(&dsi->usage_mutex); > > dsi->dphy = devm_phy_create(dev, NULL, &dw_mipi_dsi_dphy_ops); > - if (IS_ERR(dsi->dphy)) { > - DRM_DEV_ERROR(&pdev->dev, "failed to create PHY\n"); > - return PTR_ERR(dsi->dphy); > - } > + if (IS_ERR(dsi->dphy)) > + return dev_err_probe(dev, PTR_ERR(dsi->dphy), "Failed to create > PHY\n"); > > phy_set_drvdata(dsi->dphy, dsi); > phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); > if (IS_ERR(phy_provider)) > - return PTR_ERR(phy_provider); > + return dev_err_probe(dev, PTR_ERR(phy_provider), > + "Failed to register phy-provider\n"); > > dsi->dmd = dw_mipi_dsi_probe(pdev, &dsi->pdata); > - if (IS_ERR(dsi->dmd)) { > - ret = PTR_ERR(dsi->dmd); > - if (ret != -EPROBE_DEFER) > - DRM_DEV_ERROR(dev, > - "Failed to probe dw_mipi_dsi: %d\n", ret); > - return ret; > - } > + if (IS_ERR(dsi->dmd)) > + return dev_err_probe(dev, PTR_ERR(dsi->dmd), "Failed to probe > dw_mipi_dsi\n"); > > return 0; > }
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