From patchwork Thu Dec 19 16:50:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam via B4 Relay X-Patchwork-Id: 852716 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 98EEF1537C3; Thu, 19 Dec 2024 16:50:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734627057; cv=none; b=SUV3EFdOJs2Iztj5lB2L9c2q/ObPx1gO8LkfObwbc+8qgHauP/9oShSOqBnl78tFP6Dh9juX/9yjK+z9nyHMg+9LgUnodE9zw21DnywQ1HjP+C/FKSazEv7T5jdeeZMW9ViiMba3gC23joV6M3fP0cJnTXTjZhK6SuSEvBtEDlA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734627057; c=relaxed/simple; bh=AB6aGFOX3SyMQSLzMBISDbemWOL1G3hS+BgXj1gnSJM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=AAmANUnh3YLr44VxHmDW5WH+/+qcC+lRrjQC6NyV+mxk4n1NmhuVz628NBlFi8TfbzXLk1KO5rZfllAqqM74QudAIfLstwAw2iXc3RLZQDDEdHHEyMxnmnrDi5IWnD9cAKBaClZLdtQx6wcEqDZAMMTusELb7+NgjVzhxO4mgSI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PALm1fo8; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PALm1fo8" Received: by smtp.kernel.org (Postfix) with ESMTPS id 3EBA2C4CED7; Thu, 19 Dec 2024 16:50:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1734627057; bh=AB6aGFOX3SyMQSLzMBISDbemWOL1G3hS+BgXj1gnSJM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=PALm1fo8LY69Zl1SAqR0KMxb4CafXW6P8p5Js6VgqrLY9xSQSmyAgjduc1ysJUAmu 0go4EC6coir+zlVidYCUTTe1XhkOAUhYvCUxIDQClpDFP6zCZ+IeihbYtiXYyOXQpQ RgkfxnSqemuWPPxCwhkuv2ihgF+bx68RH8UIyfAH3Vu3KzOYLlHorstcTIzP+DjEJ7 47X6KcpS93uC2nngA0PUdszbWK2Q1cwVkX5HNRkBzqy0wmZ06s8vRg1oM74DlP1QJK pZXrN0u7EavJ2qaHX6vAH6y+1i0Fyj6on/6mzfhxRve9Wh4sEKM1N/lesdfSQXOjTp pWA8BvKGhpkPA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3210CE7718C; Thu, 19 Dec 2024 16:50:57 +0000 (UTC) From: Manivannan Sadhasivam via B4 Relay Date: Thu, 19 Dec 2024 22:20:42 +0530 Subject: [PATCH v3 2/4] scsi: ufs: core: Honor runtime/system PM levels if set by host controller drivers Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241219-ufs-qcom-suspend-fix-v3-2-63c4b95a70b9@linaro.org> References: <20241219-ufs-qcom-suspend-fix-v3-0-63c4b95a70b9@linaro.org> In-Reply-To: <20241219-ufs-qcom-suspend-fix-v3-0-63c4b95a70b9@linaro.org> To: Alim Akhtar , Avri Altman , Bart Van Assche , "James E.J. Bottomley" , "Martin K. Petersen" , Abel Vesa , Bjorn Andersson , Neil Armstrong , Konrad Dybcio Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Amit Pundir , Nitin Rawat , Manivannan Sadhasivam X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=1298; i=manivannan.sadhasivam@linaro.org; h=from:subject:message-id; bh=CRWjLkvIxV4yD3thmr9VSmE0rgLr7gmhR3D9+FQt6n0=; b=owEBbQGS/pANAwAKAVWfEeb+kc71AcsmYgBnZE7uo9JDtBHj/whdrBNMHmrHxXGvhWDyD21nP Rk0uUflwliJATMEAAEKAB0WIQRnpUMqgUjL2KRYJ5dVnxHm/pHO9QUCZ2RO7gAKCRBVnxHm/pHO 9UfnCACaTTbmqXfVWbdx0Z4CIy5jVMfx3twVFrnWMKfDpsF79GFuaoRc1ZPukPBANbMu4+QX+G8 V0UaSwAHk1a2fPX81UCFktcISXhztKG7LRbVhMWNzhGjgg+s4guX5XPdIMblxqlY/OjRI+StU2G LZSGaiaqdgyhFMHgtqVfDMau9dQt4ejEjLJ8MvnVsTgVfKcmtMvAO8uySWWedsrsHHtq+f4yTWw P/AXrdrwNCI0538WdWdoBk7KwgQi+SUUBlWOfMBHElrgzOI9lQWKX34ZSDMnN2fQv0MDgX7ViMu rvbu7SVRawvsplswqleEFkA68GwMFcLSgWC9zIZvEidrc5DT X-Developer-Key: i=manivannan.sadhasivam@linaro.org; a=openpgp; fpr=C668AEC3C3188E4C611465E7488550E901166008 X-Endpoint-Received: by B4 Relay for manivannan.sadhasivam@linaro.org/default with auth_id=185 X-Original-From: Manivannan Sadhasivam Reply-To: manivannan.sadhasivam@linaro.org From: Manivannan Sadhasivam Otherwise, the default levels will override the levels set by the host controller drivers. Signed-off-by: Manivannan Sadhasivam --- drivers/ufs/core/ufshcd.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 7bd0f5482db3..457add6edb31 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -10551,14 +10551,17 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq) } /* - * Set the default power management level for runtime and system PM. + * Set the default power management level for runtime and system PM if + * not set by the host controller drivers. * Default power saving mode is to keep UFS link in Hibern8 state * and UFS device in sleep state. */ - hba->rpm_lvl = ufs_get_desired_pm_lvl_for_dev_link_state( + if (!hba->rpm_lvl) + hba->rpm_lvl = ufs_get_desired_pm_lvl_for_dev_link_state( UFS_SLEEP_PWR_MODE, UIC_LINK_HIBERN8_STATE); - hba->spm_lvl = ufs_get_desired_pm_lvl_for_dev_link_state( + if (!hba->spm_lvl) + hba->spm_lvl = ufs_get_desired_pm_lvl_for_dev_link_state( UFS_SLEEP_PWR_MODE, UIC_LINK_HIBERN8_STATE);