From mboxrd@z Thu Jan 1 00:00:00 1970 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 7401B1FC7FC; Mon, 13 Jan 2025 18:35:28 +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=1736793328; cv=none; b=Gf5WGqBvPVeysI8+GeTCQaRzCaeUvCPiGhQruSepKEKKIA6iPcn736jp49xnVsbTLOPT/4NcFKWEN3x0G6qGQOLDL/dx5ljmcO2nKJPwBh9FinXDTBpZkYU9vRTcPD6dE36JSt5TMCpGk8OW2eP7WFImPCV6obSG/kTExSjJ4Zs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736793328; c=relaxed/simple; bh=J3AxO9abyylv373NfKkPGlmMSGT+EVWJVM9UPh1tgoU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=kvxNUz1NrUgUVRUCpHL3M8X0MeK5wo1npoQCo9P4npp1gxQiIVcKPFJpZDggVOPnVJ3k5WJyk1AQJiYsdjEvGsT7bdb4A0iS83yvnQ+r1YN/ECW1IDbQptqJpczcLQb5aR/VSts59BTW+QlkcDfkMCeeBDSBFBwXnckCuP2BRVs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=i8S2T/aN; 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="i8S2T/aN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 10727C4CEE1; Mon, 13 Jan 2025 18:35:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1736793328; bh=J3AxO9abyylv373NfKkPGlmMSGT+EVWJVM9UPh1tgoU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=i8S2T/aNO5ud6lnlju2OjLQ7PvS8v10djP9MmGhX3zadBRitfvdjPyD5/i4aBKMOL b/gyTorD+bRwuUhbzKUtISUqL6/jmvymGCXs2YA7Q0K/Y/0dRupn/02zgm0npc3pqd t1PeDbYC9DxyyyaNlQDNzPApYzs9K2dFpMXkBn+7Z5I/Vwqs4vDQXje7fPwE5m+HUf aF/YVN57wQ321fw/FbOMFTc4BGGC++Si0ojkFuOGyWManiOd4OYJGAPzRU0Uuu2JbT aKHlrOq9I9zsJUOiYIlR5a7DXeLLSrq3GdCcu7JS32LalATvemkivU1YXADyhuDs1K AOxbL+0z/a99g== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Manivannan Sadhasivam , Bart Van Assche , "Martin K . Petersen" , Sasha Levin , James.Bottomley@HansenPartnership.com, peter.wang@mediatek.com, avri.altman@wdc.com, ahalaney@redhat.com, quic_mnaresh@quicinc.com, linux-scsi@vger.kernel.org Subject: [PATCH AUTOSEL 6.6 06/10] scsi: ufs: core: Honor runtime/system PM levels if set by host controller drivers Date: Mon, 13 Jan 2025 13:35:07 -0500 Message-Id: <20250113183511.1783990-6-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250113183511.1783990-1-sashal@kernel.org> References: <20250113183511.1783990-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.6.71 Content-Transfer-Encoding: 8bit From: Manivannan Sadhasivam [ Upstream commit bb9850704c043e48c86cc9df90ee102e8a338229 ] Otherwise, the default levels will override the levels set by the host controller drivers. Signed-off-by: Manivannan Sadhasivam Link: https://lore.kernel.org/r/20241219-ufs-qcom-suspend-fix-v3-2-63c4b95a70b9@linaro.org Reviewed-by: Bart Van Assche Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- 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 84dac9050074..5c74293fd685 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -10484,14 +10484,17 @@ 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); -- 2.39.5