From patchwork Sun Nov 24 07:08:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Avri Altman X-Patchwork-Id: 13883996 Received: from esa6.hgst.iphmx.com (esa6.hgst.iphmx.com [216.71.154.45]) (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 319C918800D; Sun, 24 Nov 2024 07:10:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.71.154.45 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732432232; cv=none; b=sH/xgJoLhBS/IcJcjo4besfX26vziLL2cVHHP5l44CVSqSKeV2YD1FIUlI73sXtpwgAF/7QlXeSdgi384V41maELCNfKVD34w5BkQCXZxUG2EQKnk4WONoZUB7n5yKhlzcBCl9o6ckSI7Gqjh8Gf79UuB7Zi6d9Uik1PyiYVqhk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732432232; c=relaxed/simple; bh=cuGox+h7gFiTcWM75U94A70C/d31PVTvBlBGnIeuKvw=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Su9gt2dehxGsaurb+uUosfrnhxmtXSdRNMaWgEogEjo01D32r+H9WQuksWxp/KtmeR4jQbc8Xvcdi8BzMPXaZlT84iKx3aXZNk7wtYInjLCCde/bcIycNSoVFrcThikLXVgipQKyww8nQlnB0/34KGMbKi6hzjPc1k9NDQsfhv8= 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=VWpbrYBq; arc=none smtp.client-ip=216.71.154.45 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="VWpbrYBq" DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1732432231; x=1763968231; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=cuGox+h7gFiTcWM75U94A70C/d31PVTvBlBGnIeuKvw=; b=VWpbrYBqRaZ+/ssu49dxDJ4CWPpSIHfvFYXx/GvpqkQlk3W1zmJHEQR3 ZCvY7bLtqJZrZ1fzlLSdmCZsh4NhY0F6NzSQR07b40PftZZNndYKi5UZY gydNw7eaIgzPNxp6rv0i83I2DYL1ETXN54w86Ce4ux0SrKCzlSbVOswiP Iqn/9f9JxQH/X6aIfpo4HcdOYXOc1ZhA3UckjYHvFduoZvpA8wmVjdw9P aTNmDMASxodfqdMKDdBg1o3a0MFmSUR5jhXfVvMJUgJXt213FI+d6AZSy Glx0AQL4ByC9EMwQjF7PvYU1//4W1uGdy1Ko1SQCRsZFsyiWF5nc3h/En w==; X-CSE-ConnectionGUID: H5DJF2T1TnW6YxvM+UohWA== X-CSE-MsgGUID: Bz4yMFo8SVSeULLsuNOd8A== X-IronPort-AV: E=Sophos;i="6.12,180,1728921600"; d="scan'208";a="32127827" Received: from h199-255-45-14.hgst.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 24 Nov 2024 15:10:30 +0800 IronPort-SDR: 6742c419_MIAgYV0Q6HHv//CJh83DZ6vz0nJYcrNNthzNGNDSO0ADq1P ognUDZs1S6dnH6cgO9AaWKXLskGFVYryDzY9sww== Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 23 Nov 2024 22:13:45 -0800 WDCIronportException: Internal Received: from avri-office.ad.shared (HELO avri-office.sdcorp.global.sandisk.com) ([10.45.31.142]) by uls-op-cesaip01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 23 Nov 2024 23:10:29 -0800 From: Avri Altman To: "Martin K . Petersen" Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Bart Van Assche , Bean Huo , Avri Altman Subject: [PATCH v5 2/4] scsi: ufs: core: Prepare to introduce a new clock_gating lock Date: Sun, 24 Nov 2024 09:08:06 +0200 Message-Id: <20241124070808.194860-3-avri.altman@wdc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241124070808.194860-1-avri.altman@wdc.com> References: <20241124070808.194860-1-avri.altman@wdc.com> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Removed hba->clk_gating.active_reqs check from ufshcd_is_ufs_dev_busy function to separate clock gating logic from general device busy checks. Signed-off-by: Avri Altman Reviewed-by: Bart Van Assche --- drivers/ufs/core/ufshcd.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index e0a7ef1cb052..838bbab97438 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -266,8 +266,7 @@ static bool ufshcd_has_pending_tasks(struct ufs_hba *hba) static bool ufshcd_is_ufs_dev_busy(struct ufs_hba *hba) { - return hba->clk_gating.active_reqs || hba->outstanding_reqs || - ufshcd_has_pending_tasks(hba); + return hba->outstanding_reqs || ufshcd_has_pending_tasks(hba); } static const struct ufs_dev_quirk ufs_fixups[] = { @@ -1949,7 +1948,9 @@ static void ufshcd_gate_work(struct work_struct *work) goto rel_lock; } - if (ufshcd_is_ufs_dev_busy(hba) || hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL) + if (ufshcd_is_ufs_dev_busy(hba) || + hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL || + hba->clk_gating.active_reqs) goto rel_lock; spin_unlock_irqrestore(hba->host->host_lock, flags); @@ -8262,7 +8263,9 @@ static void ufshcd_rtc_work(struct work_struct *work) hba = container_of(to_delayed_work(work), struct ufs_hba, ufs_rtc_update_work); /* Update RTC only when there are no requests in progress and UFSHCI is operational */ - if (!ufshcd_is_ufs_dev_busy(hba) && hba->ufshcd_state == UFSHCD_STATE_OPERATIONAL) + if (!ufshcd_is_ufs_dev_busy(hba) && + hba->ufshcd_state == UFSHCD_STATE_OPERATIONAL && + !hba->clk_gating.active_reqs) ufshcd_update_rtc(hba); if (ufshcd_is_ufs_dev_active(hba) && hba->dev_info.rtc_update_period)