Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753359AbbEQP5j (ORCPT ); Sun, 17 May 2015 11:57:39 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:52183 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751978AbbEQPzm (ORCPT ); Sun, 17 May 2015 11:55:42 -0400 From: Yaniv Gardi To: James.Bottomley@HansenPartnership.com, hch@infradead.org Cc: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-arm-msm@vger.kernel.org, santoshsy@gmail.com, linux-scsi-owner@vger.kernel.org, subhashj@codeaurora.org, ygardi@codeaurora.org, dovl@codeaurora.org, draviv@codeaurora.org, Vinayak Holikatti , "James E.J. Bottomley" Subject: [PATCH v1 06/10] scsi: ufs-qcom: enable quirk to fix gear change to HS Date: Sun, 17 May 2015 18:55:02 +0300 Message-Id: <1431878106-30579-7-git-send-email-ygardi@codeaurora.org> X-Mailer: git-send-email 1.8.5.2 In-Reply-To: <1431878106-30579-1-git-send-email-ygardi@codeaurora.org> References: <1431878106-30579-1-git-send-email-ygardi@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1743 Lines: 46 With the G3 UFS devices, changing gear into HS is failing in UFS host controllers of version 0x2. The quirk solves the problem of changing gear into HS by enabling the attribute that specifies whether or not the inbound Link supports unterminated line in HS mode. Signed-off-by: Yaniv Gardi --- drivers/scsi/ufs/ufs-qcom.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c index 76d6e9d..6e5b183 100644 --- a/drivers/scsi/ufs/ufs-qcom.c +++ b/drivers/scsi/ufs/ufs-qcom.c @@ -708,7 +708,8 @@ static void ufs_qcom_advertise_quirks(struct ufs_hba *hba) struct ufs_qcom_host *host = hba->priv; if (host->hw_ver.major == 0x01) { - hba->quirks |= UFSHCD_QUIRK_DELAY_BEFORE_DME_CMDS; + hba->quirks |= UFSHCD_QUIRK_DELAY_BEFORE_DME_CMDS + | UFSHCD_QUIRK_BROKEN_PA_RXHSUNTERMCAP; if (host->hw_ver.minor == 0x0001 && host->hw_ver.step == 0x0001) hba->quirks |= UFSHCD_QUIRK_BROKEN_INTR_AGGR; @@ -719,7 +720,8 @@ static void ufs_qcom_advertise_quirks(struct ufs_hba *hba) if (!ufs_qcom_cap_qunipro(host)) /* Legacy UniPro mode still need following quirks */ - hba->quirks |= UFSHCD_QUIRK_DELAY_BEFORE_DME_CMDS; + hba->quirks |= (UFSHCD_QUIRK_DELAY_BEFORE_DME_CMDS + | UFSHCD_QUIRK_BROKEN_PA_RXHSUNTERMCAP); } } -- 1.8.5.2 -- QUALCOMM ISRAEL, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/