linux-kernel - Re: [PATCH v5 02/15] scsi: ufs: avoid spurious UFS host controller interrupts

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <56D52437.1050104@suse.de>
Date:	Tue, 1 Mar 2016 13:10:15 +0800
From:	Hannes Reinecke <hare@...e.de>
To:	Yaniv Gardi <ygardi@...eaurora.org>,
	James.Bottomley@...senPartnership.com
Cc:	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-arm-msm@...r.kernel.org, santoshsy@...il.com,
	linux-scsi-owner@...r.kernel.org,
	Subhash Jadavani <subhashj@...eaurora.org>,
	Vinayak Holikatti <vinholikatti@...il.com>,
	"James E.J. Bottomley" <JBottomley@...n.com>,
	"Martin K. Petersen" <martin.petersen@...cle.com>
Subject: Re: [PATCH v5 02/15] scsi: ufs: avoid spurious UFS host controller
 interrupts

On 02/28/2016 09:32 PM, Yaniv Gardi wrote:
> When control reaches to Linux UFS driver during UFS boot mode, UFS host
> controller interrupt status/enable registers may have left over
> settings.
> In order to avoid any spurious interrupts due to these left overs,
> it's important to clear these interrupt status/enable registers before
> enabling UFS interrupt handling.
> 
> Signed-off-by: Subhash Jadavani <subhashj@...eaurora.org>
> Signed-off-by: Yaniv Gardi <ygardi@...eaurora.org>
> 
> ---
>  drivers/scsi/ufs/ufshcd.c | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
Reviewed-by: Hannes Reinecke <hare@...e.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		      zSeries & Storage
hare@...e.de			      +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)