From patchwork Fri May 8 08:01:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11535871 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A478E14C0 for ; Fri, 8 May 2020 08:02:41 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 81E6C206B8 for ; Fri, 8 May 2020 08:02:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="NqgnRcMn"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="jG06Ubx1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 81E6C206B8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=KW+62+cpdaHIsLz7UIYQgUR5qBV7rE4AsyS1ItcNiBM=; b=NqgnRcMnbNL8yk LxQrAGCfcVN0DybTPzYU3CczvAo1EOgxr6yNMQgkbkKZ2MFEBLoO6FfYf7sKBXZ9ZitcmH90sHJGY Lbj2oP5AQvJCRhH7YbvEfIXSo9f9GPonKZhBHPuNymH6h+SAYl+dBMGVA08VAeLLTkU/lWRytLaKw rMqW9NeolueQLOt4qPXVjRsKD29ZZ7/YA5lerHL4nIy8VEmnjyKyDUhHyl3Elx0EiR2e3CxRHizxi corSl2PgoGrWWpBm4EYNCRWZLyVruSqzjNZG/ZgfLsbIB0T+4XwwOEG6OF8g6/LMKa3/SBCRaAOkN Fo89LGbVmEhBV6BZqcww==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jWxxu-0000oA-Qh; Fri, 08 May 2020 08:02:38 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jWxwl-0007wo-Vy; Fri, 08 May 2020 08:01:29 +0000 X-UUID: 3f0a1e1926b249329c9d33a0c8c53396-20200508 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=vEN1vovOBm7CE8IUBRV0WJtnR6QWXPmyg5EWPiTMLuA=; b=jG06Ubx1DgVLKlbiLoSA/7CQz9KBRlCA3baPx9szcJq5XP4Ks6joKAlCcFnk85lEVDhR+CO6zl1sv7YNYf1qCdmiGqIyZW9ZiToZJzlKw69C9TB3StpOxTduWshCUbsIAbW13toIZpcgiv3jRtjHvXWEZzzRWs8RhR98TNfotRI=; X-UUID: 3f0a1e1926b249329c9d33a0c8c53396-20200508 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1642686524; Fri, 08 May 2020 00:01:15 -0800 Received: from MTKMBS02N1.mediatek.inc (172.21.101.77) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 8 May 2020 01:01:18 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 8 May 2020 16:01:17 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 8 May 2020 16:01:18 +0800 From: Stanley Chu To: , , , , , Subject: [PATCH v8 2/8] scsi: ufs: introduce fixup_dev_quirks vops Date: Fri, 8 May 2020 16:01:09 +0800 Message-ID: <20200508080115.24233-3-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200508080115.24233-1-stanley.chu@mediatek.com> References: <20200508080115.24233-1-stanley.chu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200508_010128_029617_68DCD292 X-CRM114-Status: GOOD ( 10.62 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: bvanassche@acm.org, andy.teng@mediatek.com, chun-hung.wu@mediatek.com, kuohong.wang@mediatek.com, linux-kernel@vger.kernel.org, cang@codeaurora.org, linux-mediatek@lists.infradead.org, peter.wang@mediatek.com, matthias.bgg@gmail.com, Stanley Chu , linux-arm-kernel@lists.infradead.org, beanhuo@micron.com Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org Some UFS deivces may have required device quirks or have non-standard features which are enabled only on specified UFS hosts or for special customers. To not "pollute" common device quirk list, i.e., ufs_fixups table for those devices mentioned above, introduce "fixup_dev_quirks" vops to allow vendors to fix or modify device quirks accordingly. Signed-off-by: Stanley Chu Reviewed-by: Avri Altman --- drivers/scsi/ufs/ufshcd.c | 11 ++++++++++- drivers/scsi/ufs/ufshcd.h | 9 ++++++++- 2 files changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index a802c5f5ec7c..8d86d9a6a622 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -6838,7 +6838,7 @@ static void ufshcd_wb_probe(struct ufs_hba *hba, u8 *desc_buf) hba->caps &= ~UFSHCD_CAP_WB_EN; } -static void ufs_fixup_device_setup(struct ufs_hba *hba) +static void ufshcd_fixup_dev_quirks(struct ufs_hba *hba) { struct ufs_dev_fix *f; struct ufs_dev_info *dev_info = &hba->dev_info; @@ -6853,6 +6853,15 @@ static void ufs_fixup_device_setup(struct ufs_hba *hba) } } +static void ufs_fixup_device_setup(struct ufs_hba *hba) +{ + /* fix by general quirk table */ + ufshcd_fixup_dev_quirks(hba); + + /* allow vendors to fix quirks */ + ufshcd_vops_fixup_dev_quirks(hba); +} + static int ufs_get_device_desc(struct ufs_hba *hba) { int err; diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 056537e52c19..897338ba67aa 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -69,6 +69,7 @@ #include #include "ufs.h" +#include "ufs_quirks.h" #include "ufshci.h" #define UFSHCD "ufshcd" @@ -336,6 +337,7 @@ struct ufs_hba_variant_ops { void (*hibern8_notify)(struct ufs_hba *, enum uic_cmd_dme, enum ufs_notify_change_status); int (*apply_dev_quirks)(struct ufs_hba *hba); + void (*fixup_dev_quirks)(struct ufs_hba *hba); int (*suspend)(struct ufs_hba *, enum ufs_pm_op); int (*resume)(struct ufs_hba *, enum ufs_pm_op); void (*dbg_register_dump)(struct ufs_hba *hba); @@ -950,7 +952,6 @@ int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode, void ufshcd_auto_hibern8_enable(struct ufs_hba *hba); void ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit); - #define SD_ASCII_STD true #define SD_RAW false int ufshcd_read_string_desc(struct ufs_hba *hba, u8 desc_index, @@ -1085,6 +1086,12 @@ static inline int ufshcd_vops_apply_dev_quirks(struct ufs_hba *hba) return 0; } +static inline void ufshcd_vops_fixup_dev_quirks(struct ufs_hba *hba) +{ + if (hba->vops && hba->vops->fixup_dev_quirks) + hba->vops->fixup_dev_quirks(hba); +} + static inline int ufshcd_vops_suspend(struct ufs_hba *hba, enum ufs_pm_op op) { if (hba->vops && hba->vops->suspend)