From patchwork Mon Oct 21 12:03:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Avri Altman X-Patchwork-Id: 838025 Received: from esa5.hgst.iphmx.com (esa5.hgst.iphmx.com [216.71.153.144]) (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 949BC1EBA02; Mon, 21 Oct 2024 12:05:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.71.153.144 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729512354; cv=none; b=VjCvHejSd5MN3QhRs5Y+8rVy3BZHfxKoerQdGUL7h9KE7HdYRapPAE9E3RCAlCbLpsEXqgkfFP3JjuD3nOzymQYm8hTKutEbaVA9H6vXA7tg3YkWJ5C/ZyoDMTF+62MgViG1tHxfiWhZN/IJMFU+Gwa65Rbq9dbcmjN+wXOfaSs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729512354; c=relaxed/simple; bh=0uson7Hox7ug5bpH3JgjPms2CLtivTWWc8czSztV92M=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=a8OoViRFu4bitYNJ1+jNQXGefCg/LIH1cSegNbywL7yKRuY7qDdB0Wx2qgw+DTDodU7dFJcR7k7qsm82X+pqPZJnrX4ivGk7aPUPSLvPGfDj5OgmGQFxDf22FusRWRBrOCpFOjqZNNDsdc0BdIBz/hGBHlzNOwV7z0tsbxt3Nkc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=wdc.com; spf=pass smtp.mailfrom=wdc.com; dkim=pass (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b=dcZehJES; arc=none smtp.client-ip=216.71.153.144 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=wdc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=wdc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b="dcZehJES" DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1729512352; x=1761048352; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=0uson7Hox7ug5bpH3JgjPms2CLtivTWWc8czSztV92M=; b=dcZehJESJYZ8q6cYWB/KeQitOkchDgVibVornqSIYd1MkqL7H/9bW3lN zU3qSDpDOXSUhFeoqTlsQUncLcMfQ0MUDHbYaJQ2jCwdHHMe8H4BwIX55 aMAMTFqeInSgVdsNPIPX3bcWDWhEcEGRi1JQQx7g+mg1DniQSFnfoQSso 3B9fABMDYqL6n5gahtOHJuhSnoT5q4YpkSv5j5M7D71yyIstIzBVPj6JC 14WuDdZxg4rdCh/JSAnJkeEvNcu8Q6bSgYJH+kI8nFL6oxWda7YsifL5u Cort1cnenazHldcAzXmwbCdoV3ZiowdxzVleAas8WAfOV2Ct5f5EYKyBh g==; X-CSE-ConnectionGUID: 7h27xvM9Qhiwhh1wmsALvQ== X-CSE-MsgGUID: +qvsrR9OQv2cMfNbaOQJgw== X-IronPort-AV: E=Sophos;i="6.11,220,1725292800"; d="scan'208";a="30593008" Received: from uls-op-cesaip02.wdc.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 21 Oct 2024 20:05:47 +0800 IronPort-SDR: 6716352d_um++icHfYsUAFecsViU8lpK3qtkA8xzOVOM9zBk1Ky95Eb6 4U60fcAQa3P3/s2ozun5JzNua3UdmzHycPtpKhg== Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 21 Oct 2024 04:04:13 -0700 WDCIronportException: Internal Received: from avri-office.ad.shared (HELO avri-office.sdcorp.global.sandisk.com) ([10.45.31.142]) by uls-op-cesaip02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 21 Oct 2024 05:05:46 -0700 From: Avri Altman To: "Martin K . Petersen" Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Bart Van Assche , Avri Altman Subject: [PATCH 3/4] scsi: ufs: core: Use reg_lock to protect UTRLCLR Date: Mon, 21 Oct 2024 15:03:12 +0300 Message-Id: <20241021120313.493371-4-avri.altman@wdc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241021120313.493371-1-avri.altman@wdc.com> References: <20241021120313.493371-1-avri.altman@wdc.com> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Use the host register lock to serialize access to the UTRLCLR as well, instead of the host_lock. Signed-off-by: Avri Altman --- drivers/ufs/core/ufshcd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 081cbf7174da..4eee737a4fd5 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -3100,9 +3100,9 @@ static int ufshcd_clear_cmd(struct ufs_hba *hba, u32 task_tag) mask = 1U << task_tag; /* clear outstanding transaction before retry */ - spin_lock_irqsave(hba->host->host_lock, flags); + spin_lock_irqsave(&hba->reg_lock, flags); ufshcd_utrl_clear(hba, mask); - spin_unlock_irqrestore(hba->host->host_lock, flags); + spin_unlock_irqrestore(&hba->reg_lock, flags); /* * wait for h/w to clear corresponding bit in door-bell.