From patchwork Fri Aug 18 19:34:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bart Van Assche X-Patchwork-Id: 714957 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E03B7EE499B for ; Fri, 18 Aug 2023 19:47:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1379829AbjHRTqn (ORCPT ); Fri, 18 Aug 2023 15:46:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60884 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1379864AbjHRTqY (ORCPT ); Fri, 18 Aug 2023 15:46:24 -0400 Received: from mail-pl1-x636.google.com (mail-pl1-x636.google.com [IPv6:2607:f8b0:4864:20::636]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D50524685; Fri, 18 Aug 2023 12:45:58 -0700 (PDT) Received: by mail-pl1-x636.google.com with SMTP id d9443c01a7336-1bc63ef9959so10706805ad.2; Fri, 18 Aug 2023 12:45:58 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692387838; x=1692992638; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=V9kjXpHnX8SSylVORGDS67iBhAPRKcB9tfPcWy3ggq4=; b=JhRvcjLBKBejfceMQd7M8oYEIk5X6RWZBe4La5+Bqr2B7yeyOMHGf3vO48W0MWsikU z2WYcoFRYV0MLwgWZW6fnV5SbbKYmRGVEFBlvlGPB3fUzZhogolOTo/aGPk0RZ3P0Zby gBf0Qn0w3h4fA5d/jeBmxiIcbnNiraDtl5LQI7juKuF2nTWyz20iPV2RtjQ6/9tGPmfl EsLEVWTD8nb6p4W5i4OD73IOxyresuUjwTQSTJAbUlx39xMPFUItFi0Y/j1iQa5BrLfY IocpGtM+khA/TxDbntyAs0em5meWC9kxfa72BPb4pPaLzeFphsrhw+lxbv1pGUuq3KPI 1MLA== X-Gm-Message-State: AOJu0YyyAH97MbkqTlMYeRCzq/9swFZ6wOc5odZFzrQKVGrgptr9thjm /t0jcDR5nD1oRWIe6SurWCk= X-Google-Smtp-Source: AGHT+IFBQiZR4RDdP+7V78pWQFaYjj/RYAEN9c3+1CFNCsEGV/eOAVCCZN8B0Z+iYcVLvuNxCnveHg== X-Received: by 2002:a17:903:1111:b0:1b9:de75:d5bb with SMTP id n17-20020a170903111100b001b9de75d5bbmr300486plh.7.1692387838261; Fri, 18 Aug 2023 12:43:58 -0700 (PDT) Received: from bvanassche-linux.mtv.corp.google.com ([2620:15c:211:201:5012:5192:47aa:c304]) by smtp.gmail.com with ESMTPSA id u16-20020a170903125000b001bb8be10a84sm2115801plh.304.2023.08.18.12.43.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Aug 2023 12:43:57 -0700 (PDT) From: Bart Van Assche To: Jens Axboe Cc: linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, "Martin K . Petersen" , Christoph Hellwig , Bart Van Assche , Can Guo , Avri Altman , "Bao D . Nguyen" , "James E.J. Bottomley" , Bean Huo , Jinyoung Choi , Peter Wang , Lu Hongfei , Daniil Lunev , Stanley Chu , Manivannan Sadhasivam , Asutosh Das , Arthur Simchaev , zhanghui , Po-Wen Kao , Eric Biggers , Keoseong Park Subject: [PATCH v10 11/18] scsi: ufs: Change the return type of ufshcd_auto_hibern8_update() Date: Fri, 18 Aug 2023 12:34:14 -0700 Message-ID: <20230818193546.2014874-12-bvanassche@acm.org> X-Mailer: git-send-email 2.42.0.rc1.204.g551eb34607-goog In-Reply-To: <20230818193546.2014874-1-bvanassche@acm.org> References: <20230818193546.2014874-1-bvanassche@acm.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org A later patch will introduce an error path in ufshcd_auto_hibern8_update(). Change the return type of that function before introducing calls to that function in the host drivers such that the host drivers only have to be modified once. Cc: Martin K. Petersen Cc: Can Guo Cc: Avri Altman Cc: Bao D. Nguyen Signed-off-by: Bart Van Assche Reviewed-by: Bao D. Nguyen Reviewed-by: Can Guo --- drivers/ufs/core/ufs-sysfs.c | 2 +- drivers/ufs/core/ufshcd-priv.h | 1 - drivers/ufs/core/ufshcd.c | 6 ++++-- include/ufs/ufshcd.h | 2 +- 4 files changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/ufs/core/ufs-sysfs.c b/drivers/ufs/core/ufs-sysfs.c index 6c72075750dd..a693dea1bd18 100644 --- a/drivers/ufs/core/ufs-sysfs.c +++ b/drivers/ufs/core/ufs-sysfs.c @@ -203,7 +203,7 @@ static ssize_t auto_hibern8_store(struct device *dev, goto out; } - ufshcd_auto_hibern8_update(hba, ufshcd_us_to_ahit(timer)); + ret = ufshcd_auto_hibern8_update(hba, ufshcd_us_to_ahit(timer)); out: up(&hba->host_sem); diff --git a/drivers/ufs/core/ufshcd-priv.h b/drivers/ufs/core/ufshcd-priv.h index 0f3bd943b58b..a2b74fbc2056 100644 --- a/drivers/ufs/core/ufshcd-priv.h +++ b/drivers/ufs/core/ufshcd-priv.h @@ -60,7 +60,6 @@ int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode, enum attr_idn idn, u8 index, u8 selector, u32 *attr_val); int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode, enum flag_idn idn, u8 index, bool *flag_res); -void ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit); void ufshcd_compl_one_cqe(struct ufs_hba *hba, int task_tag, struct cq_entry *cqe); int ufshcd_mcq_init(struct ufs_hba *hba); diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 129446775796..053b82eac80f 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -4337,13 +4337,13 @@ int ufshcd_uic_hibern8_exit(struct ufs_hba *hba) } EXPORT_SYMBOL_GPL(ufshcd_uic_hibern8_exit); -void ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit) +int ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit) { unsigned long flags; bool update = false; if (!ufshcd_is_auto_hibern8_supported(hba)) - return; + return 0; spin_lock_irqsave(hba->host->host_lock, flags); if (hba->ahit != ahit) { @@ -4360,6 +4360,8 @@ void ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit) ufshcd_release(hba); ufshcd_rpm_put_sync(hba); } + + return 0; } EXPORT_SYMBOL_GPL(ufshcd_auto_hibern8_update); diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h index 6dc11fa0ebb1..ffc6ffe45fe1 100644 --- a/include/ufs/ufshcd.h +++ b/include/ufs/ufshcd.h @@ -1364,7 +1364,7 @@ static inline int ufshcd_disable_host_tx_lcc(struct ufs_hba *hba) } void ufshcd_auto_hibern8_enable(struct ufs_hba *hba); -void ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit); +int ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit); void ufshcd_fixup_dev_quirks(struct ufs_hba *hba, const struct ufs_dev_quirk *fixups); #define SD_ASCII_STD true