From patchwork Wed Feb 5 06:15:54 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Lin X-Patchwork-Id: 13960636 Received: from mail-m49202.qiye.163.com (mail-m49202.qiye.163.com [45.254.49.202]) (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 83FA221517A; Wed, 5 Feb 2025 06:53:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.254.49.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738738430; cv=none; b=VpcYmCeesjgBdUORSqfhJCYwgp/xfI4NERZp+hPSDzpSpQRhdSw2ERlF+Ve7k7SM4HI9UuyQcs0X5wITHFpDjuRsedVAENy0xqIhArPxrSzHIgikR0GUDzYoEo0LpGPzFrCjIZZrt/Z6cjKdjfDsUw+csCQR30BdZFN4byjRzrI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738738430; c=relaxed/simple; bh=yT2vByNZnLKMoecatN+Y+a/G5hoWbJR7ZL8sZCSE3Pc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=pp+xTeio5FiqdEo0T2vlJe35o5uJ1qAl+lqdycPnVDLyvMRoTX1Vxtwl3ImprYEqnodZcOLf62j5EfQToevsyhVI5GQSUZj7XlVE2bNvqBxYJs8yoCW43VU4tcjQuLRZECfyK4Op0VJVXSpMRFiap13+iQtUS1GnsVBdDtcvsYE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=rock-chips.com; spf=pass smtp.mailfrom=rock-chips.com; dkim=pass (1024-bit key) header.d=rock-chips.com header.i=@rock-chips.com header.b=OztpeoIQ; arc=none smtp.client-ip=45.254.49.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=rock-chips.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rock-chips.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=rock-chips.com header.i=@rock-chips.com header.b="OztpeoIQ" Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id a34e52b8; Wed, 5 Feb 2025 14:18:19 +0800 (GMT+08:00) From: Shawn Lin To: Rob Herring , "James E . J . Bottomley" , "Martin K . Petersen" , Krzysztof Kozlowski , Conor Dooley , Ulf Hansson , Heiko Stuebner , "Rafael J . Wysocki" Cc: Manivannan Sadhasivam , Alim Akhtar , Avri Altman , Bart Van Assche , YiFeng Zhao , Liang Chen , linux-scsi@vger.kernel.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-pm@vger.kernel.org, Shawn Lin Subject: [PATCH v7 5/7] scsi: ufs: core: Export ufshcd_dme_reset() and ufshcd_dme_enable() Date: Wed, 5 Feb 2025 14:15:54 +0800 Message-Id: <1738736156-119203-6-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1738736156-119203-1-git-send-email-shawn.lin@rock-chips.com> References: <1738736156-119203-1-git-send-email-shawn.lin@rock-chips.com> X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZQ09ITVZOTR9LTx1NHRlMHkNWFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSU9PT0 hVSktLVUpCS0tZBg++ X-HM-Tid: 0a94d4c26db509cckunma34e52b8 X-HM-MType: 1 X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6MU06PCo6MjINDgtDODcpHCpJ L08KCglVSlVKTEhDTEhNSEtKS0xDVTMWGhIXVQgTGgwVVRcSFTsJFBgQVhgTEgsIVRgUFkVZV1kS C1lBWU5DVUlJVUxVSkpPWVdZCAFZQUlJQkg3Bg++ DKIM-Signature: a=rsa-sha256; b=OztpeoIQaadXhInVaxSz6SrW4MXIUqpglyw6hyB8h8SQrPlnunzycFFkxFC+wLbo0e58uU+GTGnvT9MlnCUnwTR8mWI8LBz2pURW7hdDWMhrnWMPiUPSwmvNM3Uu9/HJuvKdcYSNQCS8xYrNXbNYzRBjVVxzT0KYqI/ynUkA8kk=; s=default; c=relaxed/relaxed; d=rock-chips.com; v=1; bh=tQBe00/5+XR3AuyJ7x8v0mQNDVOcfg72dNI5pbcGOVo=; h=date:mime-version:subject:message-id:from; Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: These two APIs will be used by glue driver if they need a different HCE process. Reviewed-by: Manivannan Sadhasivam Signed-off-by: Shawn Lin --- Changes in v7: None Changes in v6: - replace host drivers with glue drivers suggested by Mani - add Main's review tag Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None drivers/ufs/core/ufshcd.c | 6 ++++-- include/ufs/ufshcd.h | 2 ++ 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index cd404ad..d9cb60d 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -4002,7 +4002,7 @@ static int ufshcd_dme_link_startup(struct ufs_hba *hba) * * Return: 0 on success, non-zero value on failure. */ -static int ufshcd_dme_reset(struct ufs_hba *hba) +int ufshcd_dme_reset(struct ufs_hba *hba) { struct uic_command uic_cmd = { .command = UIC_CMD_DME_RESET, @@ -4016,6 +4016,7 @@ static int ufshcd_dme_reset(struct ufs_hba *hba) return ret; } +EXPORT_SYMBOL_GPL(ufshcd_dme_reset); int ufshcd_dme_configure_adapt(struct ufs_hba *hba, int agreed_gear, @@ -4041,7 +4042,7 @@ EXPORT_SYMBOL_GPL(ufshcd_dme_configure_adapt); * * Return: 0 on success, non-zero value on failure. */ -static int ufshcd_dme_enable(struct ufs_hba *hba) +int ufshcd_dme_enable(struct ufs_hba *hba) { struct uic_command uic_cmd = { .command = UIC_CMD_DME_ENABLE, @@ -4055,6 +4056,7 @@ static int ufshcd_dme_enable(struct ufs_hba *hba) return ret; } +EXPORT_SYMBOL_GPL(ufshcd_dme_enable); static inline void ufshcd_add_delay_before_dme_cmd(struct ufs_hba *hba) { diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h index 650ff23..31661a4 100644 --- a/include/ufs/ufshcd.h +++ b/include/ufs/ufshcd.h @@ -1369,6 +1369,8 @@ extern int ufshcd_system_thaw(struct device *dev); extern int ufshcd_system_restore(struct device *dev); #endif +extern int ufshcd_dme_reset(struct ufs_hba *hba); +extern int ufshcd_dme_enable(struct ufs_hba *hba); extern int ufshcd_dme_configure_adapt(struct ufs_hba *hba, int agreed_gear, int adapt_val);