From patchwork Thu Apr 14 02:31:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshihiro Shimoda X-Patchwork-Id: 12812850 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 8AE66C43219 for ; Thu, 14 Apr 2022 02:32:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239427AbiDNCeV (ORCPT ); Wed, 13 Apr 2022 22:34:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54014 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231398AbiDNCeR (ORCPT ); Wed, 13 Apr 2022 22:34:17 -0400 Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id B01171CFD7; Wed, 13 Apr 2022 19:31:54 -0700 (PDT) X-IronPort-AV: E=Sophos;i="5.90,258,1643641200"; d="scan'208";a="116825507" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 14 Apr 2022 11:31:52 +0900 Received: from localhost.localdomain (unknown [10.166.15.32]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 6ECFC4175290; Thu, 14 Apr 2022 11:31:52 +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 v2 3/7] ufs: add UFSHCD_QUIRK_HIBERN_FASTAUTO Date: Thu, 14 Apr 2022 11:31:11 +0900 Message-Id: <20220414023115.4190736-4-yoshihiro.shimoda.uh@renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220414023115.4190736-1-yoshihiro.shimoda.uh@renesas.com> References: <20220414023115.4190736-1-yoshihiro.shimoda.uh@renesas.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Add UFSHCD_QUIRK_HIBERN_FASTAUTO for a broken host controller of the auto-hibernate capability but it's FASTAUTO only. Signed-off-by: Yoshihiro Shimoda --- drivers/scsi/ufs/ufshcd.c | 9 +++++++-- drivers/scsi/ufs/ufshcd.h | 6 ++++++ 2 files changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index a7bb3945c7c6..adc059a86e1e 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -4247,8 +4247,13 @@ static int ufshcd_get_max_pwr_mode(struct ufs_hba *hba) if (hba->max_pwr_info.is_valid) return 0; - pwr_info->pwr_tx = FAST_MODE; - pwr_info->pwr_rx = FAST_MODE; + if (hba->quirks & UFSHCD_QUIRK_HIBERN_FASTAUTO) { + pwr_info->pwr_tx = FASTAUTO_MODE; + pwr_info->pwr_rx = FASTAUTO_MODE; + } else { + pwr_info->pwr_tx = FAST_MODE; + pwr_info->pwr_rx = FAST_MODE; + } pwr_info->hs_rate = PA_HS_MODE_B; /* Get the connected lane count */ diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 1745144eb904..d14cc48226ce 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -608,6 +608,12 @@ enum ufshcd_quirks { * 64-bit addressing supported capability but it doesn't work. */ UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS = 1 << 17, + + /* + * This quirk needs to be enabled if the host controller has + * auto-hibernate capability but it's FASTAUTO only. + */ + UFSHCD_QUIRK_HIBERN_FASTAUTO = 1 << 18, }; enum ufshcd_caps {