From patchwork Thu Oct 24 05:27:28 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bibby Hsieh X-Patchwork-Id: 11208311 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 1B72C14ED for ; Thu, 24 Oct 2019 05:29:26 +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 ED76520856 for ; Thu, 24 Oct 2019 05:29:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="cyfR0Va+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ED76520856 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=FTNjWTag6HT+AgP4Rza3tiysHmG3M3P2w3dhHOAPML4=; b=cyfR0Va+0wz60T UrBdGyugweke0a8zjhgsunfNw2vEq/3hxANqXlpu0nNBEWruPoQVDsRJVJehheQDOZ3ID3kW99zxy Dz67eCz84rEsWRJ1Nq0AtU6tzF0zKpsPaAk4TqmHdzVRhoSpUay0F6yReyTDUZeNGw6Bo78doQDQ/ w2BaG+X8C0T08DBGXXCA5iawxsGCvb4Q+5z38vTH8LqMT55Kcz2cEU966cNAVQCDaoCGzHDxxoHPB ClVLWWLpR7ibXhF1MjFtlKVLSSOFhXxf6WojdbC0zEhKDnEZFPaSUcoD6K8Uuhzvi/9XUCEJfGQMc Sa9dnk7PAdKM2bm6dn8w==; 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 1iNVgZ-0001ul-2y; Thu, 24 Oct 2019 05:29:23 +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 1iNVfH-0000es-7v; Thu, 24 Oct 2019 05:28:04 +0000 X-UUID: a09119f468264323b24f2d11eb8a49c4-20191023 X-UUID: a09119f468264323b24f2d11eb8a49c4-20191023 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1204759718; Wed, 23 Oct 2019 21:27:52 -0800 Received: from mtkmbs05n1.mediatek.inc (172.21.101.15) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 23 Oct 2019 22:27:33 -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; Thu, 24 Oct 2019 13:27:32 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Thu, 24 Oct 2019 13:27:33 +0800 From: Bibby Hsieh To: Jassi Brar , Matthias Brugger , Rob Herring , CK HU Subject: [PATCH v16 1/5] soc: mediatek: cmdq: remove OR opertaion from err return Date: Thu, 24 Oct 2019 13:27:28 +0800 Message-ID: <20191024052732.7767-2-bibby.hsieh@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20191024052732.7767-1-bibby.hsieh@mediatek.com> References: <20191024052732.7767-1-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-20191023_222803_320641_E2FB0FDD X-CRM114-Status: GOOD ( 10.51 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 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 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, Houlong Wei , 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 7aa0517ff2f3..5ea509e86488 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, value, subsys, offset_mask); + err = cmdq_pkt_write(pkt, value, subsys, offset_mask); 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; }