From patchwork Tue Mar 3 10:58:37 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: 11417795 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 48E0892A for ; Tue, 3 Mar 2020 11:09:57 +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 26CD920674 for ; Tue, 3 Mar 2020 11:09:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="HjU4sa5l"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="Mxq2Qlly" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 26CD920674 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=3uWvHjFcZ0xLrCELNT2QNOrJP74x0wLpK8UiPi/qVqE=; b=HjU4sa5layiJVL irGiDl710+0SB4oDhOeK+SnUlt3GZeTvIgMbmpzr7lP86juLvGtDAZXLECQCiwYv2xWIF+lUTb2UY CqnrltOmiF/McwaxV+h0BzOikcbVrmhdbl7kjTNVyDYt8/uVsayV3/XLqRyQaxunW0ZiLQNF/2npj ua2HG+WOJuOOOL8lg/gMeKHPj4LU4q99/KJ+hQwPYmLZgR/XkKGfodIP+BDXWF6FyAysi2F9wtDlm qlQH/MnDhub3HgFngkacp1sii/vRIU1oCn/MGBHhTRveNyj83XVk/nqtw3QENaRZdG3dGof9tTUsj Rfs2OSRPespTQtf36SGA==; 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 1j95Qy-0002gd-LE; Tue, 03 Mar 2020 11:09:56 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j95Q0-0001Wu-7X; Tue, 03 Mar 2020 11:08:57 +0000 X-UUID: 264cdb472ec1406e8be34d9b39e9243a-20200303 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=kifZaGetXK2dzqmjkrlt+tzZFVDWnSdx6q8HZB4siVk=; b=Mxq2QllyU3tw36s2vTaR59j3iuoaP/3WGBqThw29dbD/QGx2S9Rzy4Gpf4CczXkf+C5n/NdMmg7Q1yEmLYyNvM0FfMXQFUzk+vbAZOICRMOcWujHsvSemu13/M3SKeVkBVoDAnjWjVerS0INYwgm8LSLjPla9/qXOENWhORV9Ag=; X-UUID: 264cdb472ec1406e8be34d9b39e9243a-20200303 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1273591373; Tue, 03 Mar 2020 03:08:51 -0800 Received: from mtkmbs08n1.mediatek.inc (172.21.101.55) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 3 Mar 2020 02:58:56 -0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 3 Mar 2020 19:00:13 +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; Tue, 3 Mar 2020 18:58:11 +0800 From: Dennis YC Hsieh To: Rob Herring , Mark Rutland , Matthias Brugger , Jassi Brar , Philipp Zabel , "David Airlie" , Daniel Vetter Subject: [PATCH v4 05/13] soc: mediatek: cmdq: return send msg error code Date: Tue, 3 Mar 2020 18:58:37 +0800 Message-ID: <1583233125-7827-6-git-send-email-dennis-yc.hsieh@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1583233125-7827-1-git-send-email-dennis-yc.hsieh@mediatek.com> References: <1583233125-7827-1-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-20200303_030856_308943_4483DCA9 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 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 listed in list.dnswl.org] 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_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 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);