linux-kernel - Re: [PATCH v2 1/1] usb: gadget: s3c-hsotg: fix core reset timeout failure

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Message-ID: <20120723104145.GR8265@arwen.pp.htv.fi>
Date:	Mon, 23 Jul 2012 13:41:46 +0300
From:	Felipe Balbi <balbi@...com>
To:	"Du, Changbin" <changbin.du@...il.com>
Cc:	balbi@...com, gregkh@...uxfoundation.org, ben@...tec.co.uk,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/1] usb: gadget: s3c-hsotg: fix core reset timeout
 failure

Hi,

On Wed, Jul 04, 2012 at 10:50:30AM +0800, Du, Changbin wrote:
> The timeout values were 1000 and timeout issue occurred many times on my
> 
> s3c6410 Soc based board (mostly when booting with USB cable not
> 
> connected). This patch increase the values to 10000 to guarantee the
> 
> success of reset.
> 
>  
> 
> Having set timeout to 10000, I printed the remained timeout values
> 
> which can cause timeout issue before this change (tested several times):
> 
> the first timeout value remained:
> 
>          timeout = 8079
> 
>          timeout = 8079
> 
>          timeout = 8078
> 
>          timeout = 8081
> 
> the second timeout value remained:
> 
>          timeout = 7940
> 
>          timeout = 7945
> 
>          timeout = 7940
> 
>          timeout = 7938
> 
> Seeing from above values, I think 10000 is big enough.
> 
>  
> 
> Signed-off-by: Du, Changbin changbin.du@...il.com
> 
> ---
> 
> Changes for v2:
> 
>          Fixed wrapped line done by my mail client

now it' s even worse. Please use git send-email instead.

-- 
balbi

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