From patchwork Mon Oct 21 12:03:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Avri Altman X-Patchwork-Id: 837498 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 B105019408B; Mon, 21 Oct 2024 12:05:50 +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=1729512352; cv=none; b=ueMd6whPsl8YNmJiKlPC4DLHoSG6dZEUqo/oGZfcpRkb3ebJm3iBF6cSNNRPFuQoEbytPLFZGX7CmfWVskcvOY1P3OZT3rChUKUHak6Siv7oTAUbWeV8eMauO9l4RCRG/mLIwzi1oEYLF33uLAameWm4A/evKvm8DzybkG9tt8A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729512352; c=relaxed/simple; bh=j5Qs7WR8VhrqTksXZSy6omcXRi+br0ulhTbzygwYwW8=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Jzj0N5iH7n4wwaSZPbM87hd7NaCZhF0wcULO4yv+bFbtWQbVWdUGdQPK9mE5hYqwzeAbBIXMwOwNtsLc92Z+DvnGQpqTIam5KZCn2D+KXg++Xj1jQ6CMa2KMrOuiWKw8lvR3vTlYs1fUQ+dgog10ya0pd7plpCUyk6YBmup5oUE= 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=bsyzt8eu; 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="bsyzt8eu" DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1729512350; x=1761048350; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=j5Qs7WR8VhrqTksXZSy6omcXRi+br0ulhTbzygwYwW8=; b=bsyzt8euVyGCsdLaoRl4PZ4WIFwmBIBzBIagJXq9UwAz3U+ypwPgzyPP AXXxgyes6tPfB4Acs3pc9DjHY/sutMxairtoAu5M6vw3G9Gyyv4tJ0BHX yDF5x3Vk19kU7tV/U1Mcnq6cMAWr0UHS8oKHNRKaSA1cuozzPswWilJAx yc29iCZE+2cir5Ox+uHa3US0ptWfFoetY1P7Rq7fDOWSVww88CnESShpj cig9I2nWJi+6Kfegfz8RUrJAkEt6R5P8ZuQx8E1oN5Xg/EnvoPSs4vnjs mK0HxDqf7aBja1ACqUjdm15BaM/hkuyEl7JrMgFFJ9lAqNy3pa2xS0y+z w==; X-CSE-ConnectionGUID: 2i4N+r9FS7W+Di1JM3bm+A== X-CSE-MsgGUID: 13DfJHh/TOe+j6dJqvJeHA== X-IronPort-AV: E=Sophos;i="6.11,220,1725292800"; d="scan'208";a="30592998" 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 20:05:44 +0800 IronPort-SDR: 67163529_6JBe8mUyJmRNTtw1oDMhj1CNlPA07p4ZLvxh9pto49PbHU0 SuhN9EcBpxY5hb1B6QDHb3Xo7AY3sYZeHeTNYLQ== 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 04:04:10 -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 05:05:43 -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 2/4] scsi: ufs: core: Use reg_lock to protect UTMRLCLR Date: Mon, 21 Oct 2024 15:03:11 +0300 Message-Id: <20241021120313.493371-3-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 UTMRLCLR 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 21eda055fb7d..081cbf7174da 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -7025,9 +7025,9 @@ static int ufshcd_clear_tm_cmd(struct ufs_hba *hba, int tag) if (!test_bit(tag, &hba->outstanding_tasks)) goto out; - spin_lock_irqsave(hba->host->host_lock, flags); + spin_lock_irqsave(&hba->reg_lock, flags); ufshcd_utmrl_clear(hba, tag); - spin_unlock_irqrestore(hba->host->host_lock, flags); + spin_unlock_irqrestore(&hba->reg_lock, flags); /* poll for max. 1 sec to clear door bell register by h/w */ err = ufshcd_wait_for_register(hba,