linux-kernel - RE: [PATCH] staging: dwc2: add check on dwc2_core

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Message-ID: <A2CA0424C0A6F04399FB9E1CD98E030458E293B5@US01WEMBX2.internal.synopsys.com>
Date:	Thu, 21 Nov 2013 22:36:21 +0000
From:	Paul Zimmerman <Paul.Zimmerman@...opsys.com>
To:	Julien DELACOU <julien.delacou@...com>,
	Matthijs Kooijman <matthijs@...in.nl>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Grant Likely" <grant.likely@...aro.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>
Subject: RE: [PATCH] staging: dwc2: add check on dwc2_core_reset return

> From: Julien DELACOU [mailto:julien.delacou@...com]
> Sent: Wednesday, November 20, 2013 8:30 AM
> 
> If the GRSTCTL_CSFTRST self-clearing bit never comes
> back to 0 for any reason, the controller is under reset
> state and cannot be used. It's preferable to abort
> initialization in such case.
> 
> Signed-off-by: Julien Delacou <julien.delacou@...com>
> ---
>  drivers/staging/dwc2/core.c |   58 +++++++++++++++++++++++++++++++++----------
>  1 file changed, 45 insertions(+), 13 deletions(-)

Acked-by: Paul Zimmerman <paulz@...opsys.com>

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