From patchwork Mon Sep 20 21:07:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Bao D. Nguyen" X-Patchwork-Id: 12506343 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3712CC433F5 for ; Mon, 20 Sep 2021 21:10:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 10EA960F50 for ; Mon, 20 Sep 2021 21:10:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237077AbhITVLn (ORCPT ); Mon, 20 Sep 2021 17:11:43 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:27515 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238082AbhITVJn (ORCPT ); Mon, 20 Sep 2021 17:09:43 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1632172096; h=References: In-Reply-To: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=NP2O11SZCezPDg44dTxhtmzhv4PHkwiFesMZaATy/Tc=; b=TdnQFlkjn8hwpZ9CgsZHsVlijgCx2X6K0oH3yPe5UcaFTlg2tWuYzUmL+bZd37h1P+aEKKNG HR2QOMDx6wVG2Jw6b4gDVRvMcUthnaozxOLbyRwhlaDovVU5C01CFSXGK9LflzMF2sR+AAFT P5g85vS+Z8rs5wSQ89COyDFn0ak= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyJlNmU5NiIsICJsaW51eC1zY3NpQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n02.prod.us-east-1.postgun.com with SMTP id 6148f83ebd6681d8ed484d69 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 20 Sep 2021 21:08:14 GMT Sender: nguyenb=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 4DDDDC4338F; Mon, 20 Sep 2021 21:08:13 +0000 (UTC) Received: from stor-berry.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: nguyenb) by smtp.codeaurora.org (Postfix) with ESMTPSA id 6E381C4338F; Mon, 20 Sep 2021 21:08:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org 6E381C4338F Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: "Bao D. Nguyen" To: cang@codeaurora.org, asutoshd@codeaurora.org, martin.petersen@oracle.com, linux-scsi@vger.kernel.org Cc: linux-arm-msm@vger.kernel.org, "Bao D . Nguyen" , Alim Akhtar , Avri Altman , "James E.J. Bottomley" , Bean Huo , Stanley Chu , Bart Van Assche , Jaegeuk Kim , Adrian Hunter , Keoseong Park , linux-kernel@vger.kernel.org (open list) Subject: [PATCH v1 1/2] scsi: ufs: export hibern8 entry and exit Date: Mon, 20 Sep 2021 14:07:49 -0700 Message-Id: <70c5376129f902b6b3e9940ea3b10f147bf18a10.1632171047.git.nguyenb@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Asutosh Das Qualcomm controllers need to be in hibern8 before scaling up or down the clocks. Hence, export the hibern8 entry and exit functions. Signed-off-by: Asutosh Das Signed-off-by: Bao D. Nguyen --- drivers/scsi/ufs/ufshcd.c | 4 ++-- drivers/scsi/ufs/ufshcd.h | 2 ++ 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 3841ab49..f3aad32 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -227,7 +227,6 @@ static void ufshcd_hba_exit(struct ufs_hba *hba); static int ufshcd_clear_ua_wluns(struct ufs_hba *hba); static int ufshcd_probe_hba(struct ufs_hba *hba, bool async); static int ufshcd_setup_clocks(struct ufs_hba *hba, bool on); -static int ufshcd_uic_hibern8_enter(struct ufs_hba *hba); static inline void ufshcd_add_delay_before_dme_cmd(struct ufs_hba *hba); static int ufshcd_host_reset_and_restore(struct ufs_hba *hba); static void ufshcd_resume_clkscaling(struct ufs_hba *hba); @@ -4116,7 +4115,7 @@ int ufshcd_link_recovery(struct ufs_hba *hba) } EXPORT_SYMBOL_GPL(ufshcd_link_recovery); -static int ufshcd_uic_hibern8_enter(struct ufs_hba *hba) +int ufshcd_uic_hibern8_enter(struct ufs_hba *hba) { int ret; struct uic_command uic_cmd = {0}; @@ -4138,6 +4137,7 @@ static int ufshcd_uic_hibern8_enter(struct ufs_hba *hba) return ret; } +EXPORT_SYMBOL_GPL(ufshcd_uic_hibern8_enter); int ufshcd_uic_hibern8_exit(struct ufs_hba *hba) { diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 52ea6f3..0cc55a2 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -1397,4 +1397,6 @@ static inline int ufshcd_rpmb_rpm_put(struct ufs_hba *hba) return pm_runtime_put(&hba->sdev_rpmb->sdev_gendev); } +int ufshcd_uic_hibern8_enter(struct ufs_hba *hba); +int ufshcd_uic_hibern8_exit(struct ufs_hba *hba); #endif /* End of Header */