From patchwork Thu Dec 22 14:09:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 636016 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 1E33CC001B2 for ; Thu, 22 Dec 2022 14:14:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235681AbiLVOOj (ORCPT ); Thu, 22 Dec 2022 09:14:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50544 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235634AbiLVONs (ORCPT ); Thu, 22 Dec 2022 09:13:48 -0500 Received: from mail-pl1-x629.google.com (mail-pl1-x629.google.com [IPv6:2607:f8b0:4864:20::629]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DB0742CCBB for ; Thu, 22 Dec 2022 06:12:24 -0800 (PST) Received: by mail-pl1-x629.google.com with SMTP id l10so2115151plb.8 for ; Thu, 22 Dec 2022 06:12:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=mPijPobTcYQaRyLBeRVB3HBZnVNDSDqtRoK4CmiEviM=; b=BA0eDOPbqVVIhhnoX9eUYS0pHxcdGVSvOSEqKJssJmQgmB/zpfNs2ywpseefd9emYh XoqN4fMEHfG2pCF4KZiD2D5/qOOhJbSP8VUw1VfdAzx0eEsQJRZfPNZ1giqckcw6l/0F RY9jGf365mZQMeq8fABGTxuju4LBtSxJVrQVhQSYMynUL2F04SC6OwQb54WMmEL+4MHi nj4OlLmn3jy8CMwICcCtp6czimJzm9ypl8bMFg5PkRnYD7CXnKG/mQwKZnsgSz2ndx0y UIxtddqWDUwypdkhoLzg5pp8bnnjBvmdaWC8ZQ+LmnfdZ565cBWkogTOH/3UPtLm+trg koiA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=mPijPobTcYQaRyLBeRVB3HBZnVNDSDqtRoK4CmiEviM=; b=FWFnYo2TFPppOWC9+4dNCbtIkzFIBj6OFvkWkN1qD04ZE5Fm0EqsjHxrlE8sjrne3v DdauPzMv7I+Es/NTgevGnGI2z9UyMt9zWuFnnIkDVviSNL3bqB4RmRJRoJOC5wUTiMEO CXyZxg1UAcHMqQYJrnlUvGY3JmE/ujDNnrMdS3I+jlKG9BKUgbbHH0YG1fGN9j0dtiRr HDISdXH2R6bgNPqHRKPJfUTACYg2/nk3QqlTLGyoY1fCn8CkyEu+1crOicAqpPS2JU5/ jfyybXxUkeU+btw2cjnV7W9BPOuV6f5YKvGyns4RAd6fw9fIIn5QO7HqCrnGcy6HODWo herg== X-Gm-Message-State: AFqh2koubcStD3nGw62kmI5iK4RvfSKs2gaxewgtlzKpDMuFhHhta/cQ a9A3I3/pqdtqMmzjS5H6sEfS X-Google-Smtp-Source: AMrXdXvWMjrApzmz5yi1BXdIqlRS22IM1TaOp7Xa1o1bPm+EfdAnwO2fH9/w5YnfyLy+cSU+N9cqsQ== X-Received: by 2002:a17:903:28d:b0:191:386:d8f with SMTP id j13-20020a170903028d00b0019103860d8fmr6265636plr.47.1671718344357; Thu, 22 Dec 2022 06:12:24 -0800 (PST) Received: from localhost.localdomain ([117.217.177.177]) by smtp.gmail.com with ESMTPSA id f8-20020a655908000000b0047829d1b8eesm832031pgu.31.2022.12.22.06.12.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Dec 2022 06:12:23 -0800 (PST) From: Manivannan Sadhasivam To: martin.petersen@oracle.com, jejb@linux.ibm.com, andersson@kernel.org, vkoul@kernel.org Cc: quic_cang@quicinc.com, quic_asutoshd@quicinc.com, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-scsi@vger.kernel.org, dmitry.baryshkov@linaro.org, ahalaney@redhat.com, abel.vesa@linaro.org, alim.akhtar@samsung.com, avri.altman@wdc.com, bvanassche@acm.org, Manivannan Sadhasivam Subject: [PATCH v5 18/23] scsi: ufs: core: Add reinit_notify() callback Date: Thu, 22 Dec 2022 19:39:56 +0530 Message-Id: <20221222141001.54849-19-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221222141001.54849-1-manivannan.sadhasivam@linaro.org> References: <20221222141001.54849-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org reinit_notify() callback can be used by the UFS controller drivers to perform changes required for UFSHCD reinit that can happen during max gear switch. Tested-by: Andrew Halaney # Qdrive3/sa8540p-ride Signed-off-by: Manivannan Sadhasivam Reviewed-by: Bart Van Assche --- drivers/ufs/core/ufshcd-priv.h | 6 ++++++ include/ufs/ufshcd.h | 2 ++ 2 files changed, 8 insertions(+) diff --git a/drivers/ufs/core/ufshcd-priv.h b/drivers/ufs/core/ufshcd-priv.h index a9e8e1f5afe7..2ce3c98e0711 100644 --- a/drivers/ufs/core/ufshcd-priv.h +++ b/drivers/ufs/core/ufshcd-priv.h @@ -226,6 +226,12 @@ static inline void ufshcd_vops_config_scaling_param(struct ufs_hba *hba, hba->vops->config_scaling_param(hba, p, data); } +static inline void ufshcd_vops_reinit_notify(struct ufs_hba *hba) +{ + if (hba->vops && hba->vops->reinit_notify) + hba->vops->reinit_notify(hba); +} + extern const struct ufs_pm_lvl_states ufs_pm_lvl_states[]; /** diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h index 5cf81dff60aa..0a0b435f5c17 100644 --- a/include/ufs/ufshcd.h +++ b/include/ufs/ufshcd.h @@ -297,6 +297,7 @@ struct ufs_pwr_mode_info { * @config_scaling_param: called to configure clock scaling parameters * @program_key: program or evict an inline encryption key * @event_notify: called to notify important events + * @reinit_notify: called to notify reinit of UFSHCD during max gear switch */ struct ufs_hba_variant_ops { const char *name; @@ -335,6 +336,7 @@ struct ufs_hba_variant_ops { const union ufs_crypto_cfg_entry *cfg, int slot); void (*event_notify)(struct ufs_hba *hba, enum ufs_event_type evt, void *data); + void (*reinit_notify)(struct ufs_hba *); }; /* clock gating state */