From patchwork Wed Mar 11 16:53:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Enric Balletbo i Serra X-Patchwork-Id: 11432233 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 076E214E5 for ; Wed, 11 Mar 2020 16:53:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B17E02073E for ; Wed, 11 Mar 2020 16:53:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730280AbgCKQxg (ORCPT ); Wed, 11 Mar 2020 12:53:36 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:60606 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730247AbgCKQxg (ORCPT ); Wed, 11 Mar 2020 12:53:36 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id 55DD9295FA6 From: Enric Balletbo i Serra To: robh+dt@kernel.org, mark.rutland@arm.com, ck.hu@mediatek.com, p.zabel@pengutronix.de, airlied@linux.ie, mturquette@baylibre.com, sboyd@kernel.org, ulrich.hecht+renesas@gmail.com, laurent.pinchart@ideasonboard.com Cc: Allison Randal , Matthias Brugger , wens@csie.org, linux-media@vger.kernel.org, sean.wang@mediatek.com, hsinyi@chromium.org, rdunlap@infradead.org, Greg Kroah-Hartman , Kate Stewart , dri-devel@lists.freedesktop.org, Thomas Gleixner , Weiyi Lu , Seiya Wang , Matthias Brugger , Andrew-CT Chen , linux-clk@vger.kernel.org, linux-mediatek@lists.infradead.org, Daniel Vetter , linux-arm-kernel@lists.infradead.org, matthias.bgg@kernel.org, Minghsiu Tsai , frank-w@public-files.de, devicetree@vger.kernel.org, Mauro Carvalho Chehab , Collabora Kernel ML , Houlong Wei , linux-kernel@vger.kernel.org, mtk01761 , Richard Fontana Subject: [PATCH v12 1/5] drm/mediatek: Omit warning on probe defers Date: Wed, 11 Mar 2020 17:53:18 +0100 Message-Id: <20200311165322.1594233-2-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200311165322.1594233-1-enric.balletbo@collabora.com> References: <20200311165322.1594233-1-enric.balletbo@collabora.com> MIME-Version: 1.0 Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org From: Matthias Brugger It can happen that the mmsys clock drivers aren't probed before the platform driver gets invoked. The platform driver used to print a warning that the driver failed to get the clocks. Omit this error on the defered probe path. Signed-off-by: Matthias Brugger Reviewed-by: CK Hu Signed-off-by: Enric Balletbo i Serra --- Changes in v12: None Changes in v10: None Changes in v9: None Changes in v8: None Changes in v7: None drivers/gpu/drm/mediatek/mtk_disp_color.c | 5 ++++- drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 5 ++++- drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 5 ++++- drivers/gpu/drm/mediatek/mtk_dpi.c | 12 +++++++++--- drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 3 ++- drivers/gpu/drm/mediatek/mtk_dsi.c | 8 ++++++-- drivers/gpu/drm/mediatek/mtk_hdmi.c | 4 +++- 7 files changed, 32 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_color.c b/drivers/gpu/drm/mediatek/mtk_disp_color.c index 6fb0d6983a4a..3ae9c810845b 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_color.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_color.c @@ -119,7 +119,10 @@ static int mtk_disp_color_probe(struct platform_device *pdev) ret = mtk_ddp_comp_init(dev, dev->of_node, &priv->ddp_comp, comp_id, &mtk_disp_color_funcs); if (ret) { - dev_err(dev, "Failed to initialize component: %d\n", ret); + if (ret != -EPROBE_DEFER) + dev_err(dev, "Failed to initialize component: %d\n", + ret); + return ret; } diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index 891d80c73e04..28651bc579bc 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -386,7 +386,10 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev) ret = mtk_ddp_comp_init(dev, dev->of_node, &priv->ddp_comp, comp_id, &mtk_disp_ovl_funcs); if (ret) { - dev_err(dev, "Failed to initialize component: %d\n", ret); + if (ret != -EPROBE_DEFER) + dev_err(dev, "Failed to initialize component: %d\n", + ret); + return ret; } diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c index 0cb848d64206..e04319fedf46 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c @@ -294,7 +294,10 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev) ret = mtk_ddp_comp_init(dev, dev->of_node, &priv->ddp_comp, comp_id, &mtk_disp_rdma_funcs); if (ret) { - dev_err(dev, "Failed to initialize component: %d\n", ret); + if (ret != -EPROBE_DEFER) + dev_err(dev, "Failed to initialize component: %d\n", + ret); + return ret; } diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 01fa8b8d763d..1b219edef541 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -701,21 +701,27 @@ static int mtk_dpi_probe(struct platform_device *pdev) dpi->engine_clk = devm_clk_get(dev, "engine"); if (IS_ERR(dpi->engine_clk)) { ret = PTR_ERR(dpi->engine_clk); - dev_err(dev, "Failed to get engine clock: %d\n", ret); + if (ret != -EPROBE_DEFER) + dev_err(dev, "Failed to get engine clock: %d\n", ret); + return ret; } dpi->pixel_clk = devm_clk_get(dev, "pixel"); if (IS_ERR(dpi->pixel_clk)) { ret = PTR_ERR(dpi->pixel_clk); - dev_err(dev, "Failed to get pixel clock: %d\n", ret); + if (ret != -EPROBE_DEFER) + dev_err(dev, "Failed to get pixel clock: %d\n", ret); + return ret; } dpi->tvd_clk = devm_clk_get(dev, "pll"); if (IS_ERR(dpi->tvd_clk)) { ret = PTR_ERR(dpi->tvd_clk); - dev_err(dev, "Failed to get tvdpll clock: %d\n", ret); + if (ret != -EPROBE_DEFER) + dev_err(dev, "Failed to get tvdpll clock: %d\n", ret); + return ret; } diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c index 13035c906035..b885f60f474c 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c @@ -628,7 +628,8 @@ static int mtk_ddp_probe(struct platform_device *pdev) if (!ddp->data->no_clk) { ddp->clk = devm_clk_get(dev, NULL); if (IS_ERR(ddp->clk)) { - dev_err(dev, "Failed to get clock\n"); + if (PTR_ERR(ddp->clk) != -EPROBE_DEFER) + dev_err(dev, "Failed to get clock\n"); return PTR_ERR(ddp->clk); } } diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 5fa1073cf26b..a45ed0270531 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -1194,14 +1194,18 @@ static int mtk_dsi_probe(struct platform_device *pdev) dsi->engine_clk = devm_clk_get(dev, "engine"); if (IS_ERR(dsi->engine_clk)) { ret = PTR_ERR(dsi->engine_clk); - dev_err(dev, "Failed to get engine clock: %d\n", ret); + + if (ret != -EPROBE_DEFER) + dev_err(dev, "Failed to get engine clock: %d\n", ret); goto err_unregister_host; } dsi->digital_clk = devm_clk_get(dev, "digital"); if (IS_ERR(dsi->digital_clk)) { ret = PTR_ERR(dsi->digital_clk); - dev_err(dev, "Failed to get digital clock: %d\n", ret); + + if (ret != -EPROBE_DEFER) + dev_err(dev, "Failed to get digital clock: %d\n", ret); goto err_unregister_host; } diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c index 5e4a4dbda443..69c6a146c561 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c @@ -1451,7 +1451,9 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi, ret = mtk_hdmi_get_all_clk(hdmi, np); if (ret) { - dev_err(dev, "Failed to get clocks: %d\n", ret); + if (ret != -EPROBE_DEFER) + dev_err(dev, "Failed to get clocks: %d\n", ret); + return ret; }