From patchwork Mon Mar 11 03:26:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Hu X-Patchwork-Id: 779570 Received: from mx2.zhaoxin.com (mx2.zhaoxin.com [203.110.167.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 11E21138C for ; Mon, 11 Mar 2024 03:26:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=203.110.167.99 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710127573; cv=none; b=n0e9TTVw4zQZSL9uHd5W4VbCAKZj7mLKUEQveaeGrq9lft9jNZCl+NrFZeyY3Eyh3jQ7Y/3WdizsEchh+yM2MIhLjRz94xZdWFDnwD03vwcf4wNDOR/Sa1tvVZ80L8oJQhXADFYQI/ZqacBx4r9ZVRu1YZZ7VWC9vfew9Ioh5lU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710127573; c=relaxed/simple; bh=N825wv/c+j9DKaGTzG7LQr6F8nKQztchJt+AGAtpAP0=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=EZgLXaxfIcPZGE2NE/5/NFSaMYPU2HiK/2WQc039l6VITntFVNiW+jnVOGsIzY3UCXH9yUFKcl/lOLmUH1MuCN2cd6kqYxuQV7+nZltEYl2Ays2nND6LNBUUuvZc0t1VpfE3UewYh/Ko2Up0e0/2NJvANSv/eiZ4HwpntoZAL0E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=zhaoxin.com; spf=pass smtp.mailfrom=zhaoxin.com; arc=none smtp.client-ip=203.110.167.99 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=zhaoxin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=zhaoxin.com X-ASG-Debug-ID: 1710127561-1eb14e2b8406fc0002-PT6Irj Received: from ZXSHMBX2.zhaoxin.com (ZXSHMBX2.zhaoxin.com [10.28.252.164]) by mx2.zhaoxin.com with ESMTP id uHZH2IIoWB2AVrQp (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Mon, 11 Mar 2024 11:26:02 +0800 (CST) X-Barracuda-Envelope-From: HansHu-oc@zhaoxin.com X-Barracuda-RBL-Trusted-Forwarder: 10.28.252.164 Received: from ZXBJMBX03.zhaoxin.com (10.29.252.7) by ZXSHMBX2.zhaoxin.com (10.28.252.164) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Mon, 11 Mar 2024 11:26:01 +0800 Received: from ml-HP-ProDesk-680-G4-MT.zhaoxin.com (10.28.66.68) by ZXBJMBX03.zhaoxin.com (10.29.252.7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Mon, 11 Mar 2024 11:26:01 +0800 X-Barracuda-RBL-Trusted-Forwarder: 10.28.252.164 From: Hans Hu X-Barracuda-RBL-Trusted-Forwarder: 10.29.252.7 To: , , CC: Subject: [PATCH 2/2] i2c: viai2c: Fix bug for msg->len is 0 Date: Mon, 11 Mar 2024 11:26:00 +0800 X-ASG-Orig-Subj: [PATCH 2/2] i2c: viai2c: Fix bug for msg->len is 0 Message-ID: <20240311032600.56244-2-hanshu-oc@zhaoxin.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240311032600.56244-1-hanshu-oc@zhaoxin.com> References: <20240311032600.56244-1-hanshu-oc@zhaoxin.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: zxbjmbx1.zhaoxin.com (10.29.252.163) To ZXBJMBX03.zhaoxin.com (10.29.252.7) X-Barracuda-Connect: ZXSHMBX2.zhaoxin.com[10.28.252.164] X-Barracuda-Start-Time: 1710127561 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://10.28.252.36:4443/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at zhaoxin.com X-Barracuda-Scan-Msg-Size: 771 X-Barracuda-BRTS-Status: 0 X-Barracuda-Bayes: INNOCENT GLOBAL 0.0000 1.0000 -2.0210 X-Barracuda-Spam-Score: -2.02 X-Barracuda-Spam-Status: No, SCORE=-2.02 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=9.0 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.121952 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- This is a bug that was accidentally introduced when adjusting the wmt driver. Now fix it Signed-off-by: Hans Hu --- drivers/i2c/busses/i2c-viai2c-common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-viai2c-common.c b/drivers/i2c/busses/i2c-viai2c-common.c index 4c208b3a509e..894d24c6b4d3 100644 --- a/drivers/i2c/busses/i2c-viai2c-common.c +++ b/drivers/i2c/busses/i2c-viai2c-common.c @@ -145,7 +145,7 @@ static int viai2c_irq_xfer(struct viai2c *i2c) if (msg->len == 0) { val = VIAI2C_CR_TX_END | VIAI2C_CR_CPU_RDY | VIAI2C_CR_ENABLE; writew(val, base + VIAI2C_REG_CR); - return 0; + return 1; } if ((i2c->xfered_len + 1) == msg->len) {