From patchwork Thu Feb 20 17:21:43 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: 11396243 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 93BC5924 for ; Fri, 21 Feb 2020 11:14:37 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7BC6E207FD for ; Fri, 21 Feb 2020 11:14:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7BC6E207FD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 82E5F6EF39; Fri, 21 Feb 2020 11:14:24 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2E6D36EE08 for ; Thu, 20 Feb 2020 17:22:05 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id 58A83295288 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 Subject: [PATCH v8 2/6] drm/mediatek: Omit warning on probe defers Date: Thu, 20 Feb 2020 18:21:43 +0100 Message-Id: <20200220172147.919996-3-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200220172147.919996-1-enric.balletbo@collabora.com> References: <20200220172147.919996-1-enric.balletbo@collabora.com> MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 21 Feb 2020 11:14:24 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kate Stewart , Andrew-CT Chen , Minghsiu Tsai , dri-devel@lists.freedesktop.org, Richard Fontana , Collabora Kernel ML , linux-clk@vger.kernel.org, Weiyi Lu , wens@csie.org, linux-arm-kernel@lists.infradead.org, mtk01761 , linux-media@vger.kernel.org, devicetree@vger.kernel.org, frank-w@public-files.de, Seiya Wang , sean.wang@mediatek.com, Houlong Wei , linux-mediatek@lists.infradead.org, hsinyi@chromium.org, Matthias Brugger , Thomas Gleixner , Mauro Carvalho Chehab , Allison Randal , Matthias Brugger , Greg Kroah-Hartman , rdunlap@infradead.org, linux-kernel@vger.kernel.org, matthias.bgg@kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 v8: None Changes in v7: - Add Rv-by from CK 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 302753744cc6..39700b9428b9 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c @@ -620,7 +620,8 @@ 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; }