From patchwork Fri Jun 3 11:05:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshihiro Shimoda X-Patchwork-Id: 12868976 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 8CD5DCCA473 for ; Fri, 3 Jun 2022 11:05:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243929AbiFCLFl (ORCPT ); Fri, 3 Jun 2022 07:05:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52174 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243922AbiFCLFk (ORCPT ); Fri, 3 Jun 2022 07:05:40 -0400 Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id D57C13BFBB; Fri, 3 Jun 2022 04:05:38 -0700 (PDT) X-IronPort-AV: E=Sophos;i="5.91,274,1647270000"; d="scan'208";a="121822511" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 03 Jun 2022 20:05:37 +0900 Received: from localhost.localdomain (unknown [10.166.15.32]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id E489342849B3; Fri, 3 Jun 2022 20:05:37 +0900 (JST) From: Yoshihiro Shimoda To: alim.akhtar@samsung.com, avri.altman@wdc.com, robh+dt@kernel.org, krzk+dt@kernel.org Cc: jejb@linux.ibm.com, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Yoshihiro Shimoda Subject: [PATCH v6 2/7] ufs: add UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS Date: Fri, 3 Jun 2022 20:05:19 +0900 Message-Id: <20220603110524.1997825-3-yoshihiro.shimoda.uh@renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220603110524.1997825-1-yoshihiro.shimoda.uh@renesas.com> References: <20220603110524.1997825-1-yoshihiro.shimoda.uh@renesas.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Add UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS for a broken host controller of the 64-bit addressing supported capability. Signed-off-by: Yoshihiro Shimoda --- drivers/ufs/core/ufshcd.c | 2 ++ include/ufs/ufshcd.h | 6 ++++++ 2 files changed, 8 insertions(+) diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 01fb4bad86be..88e567c3ba0b 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -2216,6 +2216,8 @@ static inline int ufshcd_hba_capabilities(struct ufs_hba *hba) int err; hba->capabilities = ufshcd_readl(hba, REG_CONTROLLER_CAPABILITIES); + if (hba->quirks & UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS) + hba->capabilities &= ~MASK_64_ADDRESSING_SUPPORT; /* nutrs and nutmrs are 0 based values */ hba->nutrs = (hba->capabilities & MASK_TRANSFER_REQUESTS_SLOTS) + 1; diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h index a92271421718..795c8951341d 100644 --- a/include/ufs/ufshcd.h +++ b/include/ufs/ufshcd.h @@ -577,6 +577,12 @@ enum ufshcd_quirks { * support physical host configuration. */ UFSHCD_QUIRK_SKIP_PH_CONFIGURATION = 1 << 16, + + /* + * This quirk needs to be enabled if the host controller has + * 64-bit addressing supported capability but it doesn't work. + */ + UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS = 1 << 17, }; enum ufshcd_caps {