From patchwork Sun Mar 8 10:52:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dennis-YC Hsieh X-Patchwork-Id: 11425581 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 5556614B7 for ; Sun, 8 Mar 2020 10:55:43 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 33828206D7 for ; Sun, 8 Mar 2020 10:55:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="IYHfOCIt"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="KLe5Fp6u" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 33828206D7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Q5Qidtvlu9LuKKnx3jrZhkHaGN+VhlDVuN2JM/6uajs=; b=IYHfOCItAJB5St VTFWtVXySbdUb/7UbdlP7IhQIWU2eAw+3UzNr6IVmka3DTYlYNRIJbjWj6J3MuWlVpNO6RdSmHXa/ ssT3RepjnolfUmhOenVZD5ArUPWOq5qYhLIUn2X517puJbEYFFN3VzUVcNvGzCfaOaFRYtUzpOOm3 zFzgDRGys8XiPJw72RAunop2s3/QUkDwQsSCpDwuKbLgex8qMbg4RcFtXF4Qp6NS/sLRRT4uz1Fx7 Wb4SYDYI2d3O2mjlt8X8E5FMDaDNWlW7aCO4HI3t9MDVIbO8Kc9I2ameWbeL2AKFxTFav3w/POt/T +/jUx9GZATqyIvksBKDg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jAtar-0001VH-IX; Sun, 08 Mar 2020 10:55:37 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jAtYb-0006Y3-Nr; Sun, 08 Mar 2020 10:53:19 +0000 X-UUID: e64a3e1d550646269c7912d06bfb6b49-20200308 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=VNxu4N+sL8Y+MzbMsqUqt3FdmiLX1P8n7M4pclhKAa4=; b=KLe5Fp6u2mXUSdM7x+xeFt+cYiWcfCIN5EMY9oU6LPNNKQ06PVD9BeJCJ53gBxzpp7e1Hfk5CFUTdiidMxYmAEcZ8IZvve4WkjSycuZCjVrTH7hXiDOkBzj6mtZCS3Dppgxtd+1OMCKppOVLeBx33j2ylmlzGZMeEujRaPu916Y=; X-UUID: e64a3e1d550646269c7912d06bfb6b49-20200308 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1519758741; Sun, 08 Mar 2020 02:53:02 -0800 Received: from mtkmbs05n1.mediatek.inc (172.21.101.15) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sun, 8 Mar 2020 03:52:59 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sun, 8 Mar 2020 18:51:48 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Sun, 8 Mar 2020 18:52:58 +0800 From: Dennis YC Hsieh To: Rob Herring , Mark Rutland , Matthias Brugger , Jassi Brar , Philipp Zabel , "David Airlie" , Daniel Vetter Subject: [PATCH v5 05/13] soc: mediatek: cmdq: return send msg error code Date: Sun, 8 Mar 2020 18:52:47 +0800 Message-ID: <1583664775-19382-6-git-send-email-dennis-yc.hsieh@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1583664775-19382-1-git-send-email-dennis-yc.hsieh@mediatek.com> References: <1583664775-19382-1-git-send-email-dennis-yc.hsieh@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200308_035317_908078_BA6EB0E4 X-CRM114-Status: UNSURE ( 9.23 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, wsd_upstream@mediatek.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, HS Liao , Dennis YC Hsieh , linux-mediatek@lists.infradead.org, Houlong Wei , Bibby Hsieh , CK Hu , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Return error code to client if send message fail, so that client has chance to error handling. Signed-off-by: Dennis YC Hsieh Fixes: 576f1b4bc802 ("soc: mediatek: Add Mediatek CMDQ helper") Reviewed-by: CK Hu --- drivers/soc/mediatek/mtk-cmdq-helper.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index 2e1bc513569b..98f23ba3ba47 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -351,7 +351,9 @@ int cmdq_pkt_flush_async(struct cmdq_pkt *pkt, cmdq_async_flush_cb cb, spin_unlock_irqrestore(&client->lock, flags); } - mbox_send_message(client->chan, pkt); + err = mbox_send_message(client->chan, pkt); + if (err < 0) + return err; /* We can send next packet immediately, so just call txdone. */ mbox_client_txdone(client->chan, 0);