From patchwork Wed Oct 18 17:54:37 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: 13427666 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 7671ECDB483 for ; Wed, 18 Oct 2023 17:57:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232740AbjJRR5x (ORCPT ); Wed, 18 Oct 2023 13:57:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42790 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232761AbjJRR5h (ORCPT ); Wed, 18 Oct 2023 13:57:37 -0400 Received: from mail-pf1-f177.google.com (mail-pf1-f177.google.com [209.85.210.177]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 66766112; Wed, 18 Oct 2023 10:57:32 -0700 (PDT) Received: by mail-pf1-f177.google.com with SMTP id d2e1a72fcca58-6b20577ef7bso4468925b3a.3; Wed, 18 Oct 2023 10:57:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697651851; x=1698256651; 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=SlC0BoedbyGdgzOhgrB/N96VnR6DBEr2m3fzKGpr6oQ=; b=nkJAvDImWxkFw8cKf/gAE6/nqCYD6FLdNixVJySvsNBTLfP3PJKbyRQhaOqXJJqBNR BX2gRTpkXf3YXHTjGxqNWFXsuYIGcamOLUR3kb3MhEu2NR6589WdVSGKYgFlVQwXa4dx Eew7IdJRmpVBzNVS6t+n/gs422jwh/7OdXkoIZXJyz3It/ltKvJXv2hV+FIlB66E/W9I hY94q5CXQle8cnUJJ+Eh27deODLEwKJlES8RhOqXMDF/PhF4u+LloLs/AE5mkdCD21rD yAm9e83LSLYnhKqztwH9NPxU4lh9GqAVoKb8rqYyEp9aeh5qlK5XI2MNaFE+gmhRXmdf QvNA== X-Gm-Message-State: AOJu0YzW2rGjQbcVrULeVyVP71UwDZ2Yx652mjPck4rxhzLzuoETaMzF vvXdDfSIXTLpS6DoNj79uvM= X-Google-Smtp-Source: AGHT+IGjesUfB53pu6vQMcCxZ3Op2MJPL98hOFKojEeVsi6W5cAS+D3Shh022RYWcgilQwSAUsugoQ== X-Received: by 2002:a05:6a00:1891:b0:68e:43ed:d30b with SMTP id x17-20020a056a00189100b0068e43edd30bmr6578242pfh.21.1697651851342; Wed, 18 Oct 2023 10:57:31 -0700 (PDT) Received: from bvanassche-linux.mtv.corp.google.com ([2620:15c:211:201:66c1:dd00:1e1e:add3]) by smtp.gmail.com with ESMTPSA id p15-20020aa7860f000000b00690cd981652sm3628612pfn.61.2023.10.18.10.57.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Oct 2023 10:57:31 -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 , "Bao D . Nguyen" , Can Guo , Peter Wang , Avri Altman , "James E.J. Bottomley" , Matthias Brugger , Bean Huo , Arthur Simchaev , Lu Hongfei , Stanley Chu , Manivannan Sadhasivam , Asutosh Das , zhanghui , Po-Wen Kao , Eric Biggers , Keoseong Park Subject: [PATCH v13 15/18] scsi: ufs: Change the return type of ufshcd_auto_hibern8_update() Date: Wed, 18 Oct 2023 10:54:37 -0700 Message-ID: <20231018175602.2148415-16-bvanassche@acm.org> X-Mailer: git-send-email 2.42.0.655.g421f12c284-goog In-Reply-To: <20231018175602.2148415-1-bvanassche@acm.org> References: <20231018175602.2148415-1-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. Reviewed-by: Bao D. Nguyen Reviewed-by: Can Guo Reviewed-by: Peter Wang Cc: Martin K. Petersen Cc: Avri Altman Signed-off-by: Bart Van Assche --- 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 c95906443d5f..a1554eac9bbc 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 f42d99ce5bf1..de8e891da36a 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 38e79ce05545..d3718fbe51b9 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -4313,13 +4313,13 @@ static void ufshcd_configure_auto_hibern8(struct ufs_hba *hba) ufshcd_writel(hba, hba->ahit, REG_AUTO_HIBERNATE_IDLE_TIMER); } -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) { @@ -4336,6 +4336,8 @@ 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 fceef91d186e..8fd95a5d5538 100644 --- a/include/ufs/ufshcd.h +++ b/include/ufs/ufshcd.h @@ -1356,7 +1356,7 @@ static inline int ufshcd_disable_host_tx_lcc(struct ufs_hba *hba) return ufshcd_dme_set(hba, UIC_ARG_MIB(PA_LOCAL_TX_LCC_ENABLE), 0); } -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