From patchwork Thu Nov 21 01:54:06 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bibby Hsieh X-Patchwork-Id: 11255155 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 6EE69109A for ; Thu, 21 Nov 2019 01:55:33 +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 0DB6D2084D for ; Thu, 21 Nov 2019 01:55:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="DGw+cjk0"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="ZBYJ+sJu" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0DB6D2084D 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-mediatek-bounces+patchwork-linux-mediatek=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=6gRndl1bsDm5eUt/eWiAT0TwsDJub2ZlA8dSFQTl3BY=; b=DGw+cjk0NE6dgS yqiLPMrGTGeVqLCpiwU/4seL4GAlyMRWt37aFQHCB7f2sgEDk7215uC5lfsuOajlrIe3EiwxstkCX C/lk+S86L7K0SqWc498mglDfs9Yal3oqpTr8WpwvMjEZpAODpepxgFlVLwuwyUMEWitzn2LFvLaXo PuNGNtCBfcsBrKWi/3kMAytgxfp6HvAmmsk1CHvHak4wfmC9LPJJpp1zQO8OkzKpJfFwca7Q48VVD bXHqx3baDjtXb0uwwvqmXoQboKyyghUSz4O2tELYwhdByiwpQeE2IO1Njvcg0YQKRYyTtZrY7DJqJ ieKmveUgZi4bx6e7YC4g==; 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 1iXbgx-0000mL-5P; Thu, 21 Nov 2019 01:55:31 +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 1iXbfr-00071r-IZ; Thu, 21 Nov 2019 01:54:24 +0000 X-UUID: 9dbbbf732b4f4bdfaba01ad78b88e79e-20191120 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=GFOO0VfzBTO8Ub18854er0mFODXD5SR3N8gKN1ukCcY=; b=ZBYJ+sJu9d3ofOr+LDRL33ceKwG+Ndbg4kBtPVNqbSTlYhumU766Aug+xi7VkBNvFW4pvxs1/VCR8VxKf9LMHDypLuvNlm+bEtEpSOXhp5aqU2tco6Cxfv3KGun9r55lwbjmKKFlAWmJd2/2r9TgZLZ9/GolOyjISPQV3eat2nE=; X-UUID: 9dbbbf732b4f4bdfaba01ad78b88e79e-20191120 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 102045355; Wed, 20 Nov 2019 17:54:15 -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; Wed, 20 Nov 2019 17:54:18 -0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 21 Nov 2019 09:53:53 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Thu, 21 Nov 2019 09:54:16 +0800 From: Bibby Hsieh To: Matthias Brugger , Rob Herring , CK HU Subject: [PATCH v17 2/6] soc: mediatek: cmdq: remove OR opertaion from err return Date: Thu, 21 Nov 2019 09:54:06 +0800 Message-ID: <20191121015410.18852-3-bibby.hsieh@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20191121015410.18852-1-bibby.hsieh@mediatek.com> References: <20191121015410.18852-1-bibby.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-20191120_175423_627149_B25972C4 X-CRM114-Status: UNSURE ( 9.90 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 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_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-mediatek@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, Nicolas Boichat , srv_heupstream@mediatek.com, linux-kernel@vger.kernel.org, Dennis-YC Hsieh , linux-mediatek@lists.infradead.org, Bibby Hsieh , linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org That make debugging confuseidly when we OR two error return number. Signed-off-by: Bibby Hsieh Reviewed-by: CK Hu --- drivers/soc/mediatek/mtk-cmdq-helper.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index 3c82de5f9417..c8fb69787649 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -149,13 +149,16 @@ int cmdq_pkt_write_mask(struct cmdq_pkt *pkt, u8 subsys, u16 offset, u32 value, u32 mask) { u32 offset_mask = offset; - int err = 0; + int err; if (mask != 0xffffffff) { err = cmdq_pkt_append_command(pkt, CMDQ_CODE_MASK, 0, ~mask); + if (err < 0) + return err; + offset_mask |= CMDQ_WRITE_ENABLE_MASK; } - err |= cmdq_pkt_write(pkt, subsys, offset_mask, value); + err = cmdq_pkt_write(pkt, subsys, offset_mask, value); return err; } @@ -197,9 +200,11 @@ static int cmdq_pkt_finalize(struct cmdq_pkt *pkt) /* insert EOC and generate IRQ for each command iteration */ err = cmdq_pkt_append_command(pkt, CMDQ_CODE_EOC, 0, CMDQ_EOC_IRQ_EN); + if (err < 0) + return err; /* JUMP to end */ - err |= cmdq_pkt_append_command(pkt, CMDQ_CODE_JUMP, 0, CMDQ_JUMP_PASS); + err = cmdq_pkt_append_command(pkt, CMDQ_CODE_JUMP, 0, CMDQ_JUMP_PASS); return err; }