From: Hannes Reinecke <hare@suse.de>
To: Yaniv Gardi <ygardi@codeaurora.org>,
James.Bottomley@HansenPartnership.com
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,
Subhash Jadavani <subhashj@codeaurora.org>,
Vinayak Holikatti <vinholikatti@gmail.com>,
"James E.J. Bottomley" <JBottomley@odin.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>
Subject: Re: [PATCH v5 12/15] scsi: ufs: tune UniPro parameters to optimize hibern8 exit time
Date: Tue, 1 Mar 2016 15:55:49 +0800 [thread overview]
Message-ID: <56D54B05.5010103@suse.de> (raw)
In-Reply-To: <1456666367-11418-13-git-send-email-ygardi@codeaurora.org>
On 02/28/2016 09:32 PM, Yaniv Gardi wrote:
> Optimal values of local UniPro parameters like PA_Hibern8Time &
> PA_TActivate can help reduce the hibern8 exit latency. If both host and
> device supports UniPro ver1.6 or later, these parameters will be
> automatically tuned during link startup itself. But if either host or
> device doesn't support UniPro ver 1.6 or later, we have to manually
> tune them. But to keep manual tuning logic simple, we will only do
> manual tuning if local unipro version doesn't support ver1.6 or later.
>
> Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
> Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org>
>
> ---
> drivers/scsi/ufs/ufshcd.c | 118 ++++++++++++++++++++++++++++++++++++++++++++++
> drivers/scsi/ufs/ufshcd.h | 1 +
> drivers/scsi/ufs/ufshci.h | 2 +
> drivers/scsi/ufs/unipro.h | 21 +++++++++
> 4 files changed, 142 insertions(+)
>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@suse.de +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)
next prev parent reply other threads:[~2016-03-01 7:56 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-28 13:32 [PATCH v5 00/15] add fixes, device quirks, error recovery, Yaniv Gardi
2016-02-28 13:32 ` [PATCH v5 01/15] scsi: ufs-qcom: add number of lanes per direction Yaniv Gardi
[not found] ` <1456666367-11418-2-git-send-email-ygardi-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2016-03-01 5:08 ` Hannes Reinecke
2016-03-03 22:18 ` Rob Herring
2016-02-28 13:32 ` [PATCH v5 02/15] scsi: ufs: avoid spurious UFS host controller interrupts Yaniv Gardi
2016-03-01 5:10 ` Hannes Reinecke
2016-02-28 13:32 ` [PATCH v5 03/15] scsi: ufs: implement scsi host timeout handler Yaniv Gardi
2016-03-01 7:29 ` Hannes Reinecke
2016-03-01 13:25 ` ygardi
2016-03-03 7:22 ` Hannes Reinecke
2016-03-03 9:10 ` ygardi
2016-03-03 12:53 ` Hannes Reinecke
2016-03-06 10:33 ` ygardi
2016-03-08 11:48 ` ygardi
2016-03-08 11:48 ` ygardi
2016-03-08 12:26 ` Dolev Raviv
2016-02-28 13:32 ` [PATCH v5 04/15] scsi: ufs: verify hba controller hce reg value Yaniv Gardi
2016-03-01 7:32 ` Hannes Reinecke
2016-03-01 13:32 ` ygardi
2016-03-03 7:24 ` Hannes Reinecke
2016-02-28 13:32 ` [PATCH v5 05/15] scsi: ufs: add support to read device and string descriptors Yaniv Gardi
2016-03-01 7:35 ` Hannes Reinecke
2016-03-01 10:01 ` ygardi
2016-03-01 10:03 ` Hannes Reinecke
2016-02-28 13:32 ` [PATCH v5 06/15] scsi: ufs: separate device and host quirks Yaniv Gardi
2016-03-01 7:38 ` Hannes Reinecke
2016-02-28 13:32 ` [PATCH v5 07/15] scsi: ufs: disable vccq if it's not needed by UFS device Yaniv Gardi
2016-03-01 7:36 ` Hannes Reinecke
2016-02-28 13:32 ` [PATCH v5 08/15] scsi: ufs: make error handling bit faster Yaniv Gardi
2016-03-01 7:50 ` Hannes Reinecke
2016-03-01 9:56 ` ygardi
2016-03-01 10:02 ` Hannes Reinecke
2016-02-28 13:32 ` [PATCH v5 09/15] scsi: ufs: add error recovery after DL NAC error Yaniv Gardi
2016-03-01 7:51 ` Hannes Reinecke
2016-02-28 13:32 ` [PATCH v5 10/15] scsi: ufs: add retry for query descriptors Yaniv Gardi
2016-03-01 7:53 ` Hannes Reinecke
2016-02-28 13:32 ` [PATCH v5 11/15] scsi: ufs: handle non spec compliant bkops behaviour by device Yaniv Gardi
2016-03-01 7:54 ` Hannes Reinecke
2016-02-28 13:32 ` [PATCH v5 12/15] scsi: ufs: tune UniPro parameters to optimize hibern8 exit time Yaniv Gardi
2016-03-01 7:55 ` Hannes Reinecke [this message]
2016-02-28 13:32 ` [PATCH v5 13/15] scsi: ufs: fix leakage during link off state Yaniv Gardi
2016-03-01 7:56 ` Hannes Reinecke
2016-02-28 13:32 ` [PATCH v5 14/15] scsi: ufs: add device quirk delay before putting UFS rails in LPM Yaniv Gardi
2016-03-01 7:57 ` Hannes Reinecke
2016-02-28 13:32 ` [PATCH v5 15/15] scsi: ufs-qcom: set PA_Local_TX_LCC_Enable before link startup Yaniv Gardi
2016-03-01 7:58 ` Hannes Reinecke
2016-03-06 11:57 ` ygardi
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