From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 18135ECE562 for ; Fri, 21 Sep 2018 03:28:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C69B521533 for ; Fri, 21 Sep 2018 03:28:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C69B521533 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389207AbeIUJP3 (ORCPT ); Fri, 21 Sep 2018 05:15:29 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:53999 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S2389167AbeIUJP3 (ORCPT ); Fri, 21 Sep 2018 05:15:29 -0400 X-UUID: a439e13bd3ac4edb99defb27e121ca97-20180921 Received: from mtkcas07.mediatek.inc [(172.21.101.84)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 365685934; Fri, 21 Sep 2018 11:28:34 +0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Fri, 21 Sep 2018 11:28:27 +0800 Received: from mtkslt209.mediatek.inc (10.21.15.96) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1210.3 via Frontend Transport; Fri, 21 Sep 2018 11:28:27 +0800 From: Bibby Hsieh To: David Airlie , Matthias Brugger , Daniel Vetter , , CC: Yingjoe Chen , Cawa Cheng , Daniel Kurtz , Bibby Hsieh , Philipp Zabel , YT Shen , Thierry Reding , CK Hu , Mao Huang , , , Sascha Hauer Subject: [PATCH v3 11/12] drm/mediatek: add a error return value when clock driver has been prepared Date: Fri, 21 Sep 2018 11:28:21 +0800 Message-ID: <20180921032822.30771-12-bibby.hsieh@mediatek.com> X-Mailer: git-send-email 2.12.5.2.gbdf23ab In-Reply-To: <20180921032822.30771-1-bibby.hsieh@mediatek.com> References: <20180921032822.30771-1-bibby.hsieh@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DRM driver get the comp->clk by of_clk_get(), we only assign NULL to comp->clk when error happened, but do not return the error number. Signed-off-by: Bibby Hsieh Reviewed-by: CK Hu --- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index ff974d82a4a6..54ca794db3e9 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -294,7 +294,7 @@ int mtk_ddp_comp_init(struct device *dev, struct device_node *node, comp->irq = of_irq_get(node, 0); comp->clk = of_clk_get(node, 0); if (IS_ERR(comp->clk)) - comp->clk = NULL; + return PTR_ERR(comp->clk); /* Only DMA capable components need the LARB property */ comp->larb_dev = NULL; -- 2.12.5.2.gbdf23ab From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bibby Hsieh Subject: [PATCH v3 11/12] drm/mediatek: add a error return value when clock driver has been prepared Date: Fri, 21 Sep 2018 11:28:21 +0800 Message-ID: <20180921032822.30771-12-bibby.hsieh@mediatek.com> References: <20180921032822.30771-1-bibby.hsieh@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20180921032822.30771-1-bibby.hsieh@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: David Airlie , Matthias Brugger , Daniel Vetter , dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org Cc: Yingjoe Chen , Cawa Cheng , Daniel Kurtz , Bibby Hsieh , Philipp Zabel , YT Shen , Thierry Reding , CK Hu , Mao Huang , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Sascha Hauer List-Id: linux-mediatek@lists.infradead.org DRM driver get the comp->clk by of_clk_get(), we only assign NULL to comp->clk when error happened, but do not return the error number. Signed-off-by: Bibby Hsieh Reviewed-by: CK Hu --- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index ff974d82a4a6..54ca794db3e9 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -294,7 +294,7 @@ int mtk_ddp_comp_init(struct device *dev, struct device_node *node, comp->irq = of_irq_get(node, 0); comp->clk = of_clk_get(node, 0); if (IS_ERR(comp->clk)) - comp->clk = NULL; + return PTR_ERR(comp->clk); /* Only DMA capable components need the LARB property */ comp->larb_dev = NULL; -- 2.12.5.2.gbdf23ab From mboxrd@z Thu Jan 1 00:00:00 1970 From: bibby.hsieh@mediatek.com (Bibby Hsieh) Date: Fri, 21 Sep 2018 11:28:21 +0800 Subject: [PATCH v3 11/12] drm/mediatek: add a error return value when clock driver has been prepared In-Reply-To: <20180921032822.30771-1-bibby.hsieh@mediatek.com> References: <20180921032822.30771-1-bibby.hsieh@mediatek.com> Message-ID: <20180921032822.30771-12-bibby.hsieh@mediatek.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org DRM driver get the comp->clk by of_clk_get(), we only assign NULL to comp->clk when error happened, but do not return the error number. Signed-off-by: Bibby Hsieh Reviewed-by: CK Hu --- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index ff974d82a4a6..54ca794db3e9 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -294,7 +294,7 @@ int mtk_ddp_comp_init(struct device *dev, struct device_node *node, comp->irq = of_irq_get(node, 0); comp->clk = of_clk_get(node, 0); if (IS_ERR(comp->clk)) - comp->clk = NULL; + return PTR_ERR(comp->clk); /* Only DMA capable components need the LARB property */ comp->larb_dev = NULL; -- 2.12.5.2.gbdf23ab