From: Can Guo <cang@codeaurora.org>
To: asutoshd@codeaurora.org, nguyenb@codeaurora.org,
hongwus@codeaurora.org, rnayak@codeaurora.org,
linux-scsi@vger.kernel.org, kernel-team@android.com,
saravanak@google.com, salyzyn@google.com, cang@codeaurora.org
Cc: Alim Akhtar <alim.akhtar@samsung.com>,
Avri Altman <avri.altman@wdc.com>,
Pedro Sousa <pedrom.sousa@synopsys.com>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Stanley Chu <stanley.chu@mediatek.com>,
Bean Huo <beanhuo@micron.com>,
Venkat Gopalakrishnan <venkatg@codeaurora.org>,
Tomas Winkler <tomas.winkler@intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Allison Randal <allison@lohutok.net>,
linux-kernel@vger.kernel.org (open list)
Subject: [PATCH v3 8/8] scsi: ufs: Select INITIAL adapt for HS Gear4
Date: Wed, 22 Jan 2020 22:12:25 -0800 [thread overview]
Message-ID: <1579759946-5448-9-git-send-email-cang@codeaurora.org> (raw)
In-Reply-To: <1579759946-5448-1-git-send-email-cang@codeaurora.org>
ADAPT is added specifically for HS Gear4 mode only, select INITIAL adapt
before do power mode change to G4 and select no adapt before switch to
non-G4 modes.
Signed-off-by: Can Guo <cang@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 8 ++++++++
drivers/scsi/ufs/unipro.h | 1 +
2 files changed, 9 insertions(+)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 1ee2187..20b9428 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -4134,6 +4134,14 @@ static int ufshcd_change_power_mode(struct ufs_hba *hba,
ufshcd_dme_set(hba, UIC_ARG_MIB(PA_HSSERIES),
pwr_mode->hs_rate);
+ if (pwr_mode->gear_tx == UFS_HS_G4)
+ /* INITIAL ADAPT */
+ ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TXHSADAPTTYPE),
+ PA_INITIAL_ADAPT);
+ else
+ /* NO ADAPT */
+ ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TXHSADAPTTYPE), PA_NO_ADAPT);
+
ret = ufshcd_uic_change_pwr_mode(hba, pwr_mode->pwr_rx << 4
| pwr_mode->pwr_tx);
diff --git a/drivers/scsi/ufs/unipro.h b/drivers/scsi/ufs/unipro.h
index f539f87..bd1c3d6 100644
--- a/drivers/scsi/ufs/unipro.h
+++ b/drivers/scsi/ufs/unipro.h
@@ -192,6 +192,7 @@ enum ufs_hs_gear_tag {
UFS_HS_G1, /* HS Gear 1 (default for reset) */
UFS_HS_G2, /* HS Gear 2 */
UFS_HS_G3, /* HS Gear 3 */
+ UFS_HS_G4, /* HS Gear 4 */
};
enum ufs_unipro_ver {
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
prev parent reply other threads:[~2020-01-23 6:13 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1579759946-5448-1-git-send-email-cang@codeaurora.org>
2020-01-23 6:12 ` [PATCH v3 1/8] scsi: ufs: Flush exception event before suspend Can Guo
2020-01-23 22:54 ` [EXT] " Bean Huo (beanhuo)
2020-01-23 6:12 ` [PATCH v3 2/8] scsi: ufs: set load before setting voltage in regulators Can Guo
2020-01-23 6:12 ` [PATCH v3 3/8] scsi: ufs: Remove the check before call setup clock notify vops Can Guo
2020-01-23 6:12 ` [PATCH v3 4/8] scsi: ufs-qcom: Adjust bus bandwidth voting and unvoting Can Guo
2020-01-23 6:12 ` [PATCH v3 5/8] scsi: ufs: Fix ufshcd_hold() caused scheduling while atomic Can Guo
2020-01-23 6:50 ` hongwus
2020-01-23 6:12 ` [PATCH v3 6/8] scsi: ufs: Add dev ref clock gating wait time support Can Guo
2020-01-23 6:12 ` [PATCH v3 7/8] scsi: ufs-qcom: Delay specific time before gate ref clk Can Guo
2020-01-23 6:12 ` Can Guo [this message]
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