Re: [PATCH v7 15/17] scsi: ufs-qcom: set PA_Local_TX_LCC_Enable before link startup

From	Hannes Reinecke <hare@suse.de>
Newsgroups	linux.kernel
Subject	Re: [PATCH v7 15/17] scsi: ufs-qcom: set PA_Local_TX_LCC_Enable before link startup
Date	2016-03-08 14:10 +0100
Message-ID	<rapyG-1hW-7@gated-at.bofh.it> (permalink)
References	<rap5E-Qj-7@gated-at.bofh.it> <rap5F-Qj-25@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

On 03/08/2016 01:36 PM, Yaniv Gardi wrote:
> Some UFS devices (and may be host) have issues if LCC is
> enabled. So we are setting PA_Local_TX_LCC_Enable to 0
> before link startup which will make sure that both host
> and device TX LCC are disabled once link startup is
> completed.
> 
> Reviewed-by: Gilad Broner <gbroner@codeaurora.org>
> Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org>
> 
> ---
>  drivers/scsi/ufs/ufs-qcom.c | 27 ++++++++++++++++++++-------
>  drivers/scsi/ufs/unipro.h   |  1 +
>  2 files changed, 21 insertions(+), 7 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare@suse.de			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

[PATCH v7 15/17] scsi: ufs-qcom: set PA_Local_TX_LCC_Enable before link startup Yaniv Gardi <ygardi@codeaurora.org> - 2016-03-08 13:40 +0100
  Re: [PATCH v7 15/17] scsi: ufs-qcom: set PA_Local_TX_LCC_Enable  before link startup Hannes Reinecke <hare@suse.de> - 2016-03-08 14:10 +0100

csiph-web