netdev - Re: [PATCH net-next] net: cdc_ncm: fix 64bit division build error

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Date:	Wed, 21 May 2014 12:07:33 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Bjørn Mork <bjorn@...k.no>,
	David Miller <davem@...emloft.net>
Cc:	<netdev@...r.kernel.org>, <linux-usb@...r.kernel.org>,
	Alexey Orishko <alexey.orishko@...il.com>,
	Oliver Neukum <oliver@...kum.org>,
	Enrico Mioso <mrkiko.rs@...il.com>,
	David Laight <David.Laight@...LAB.COM>
Subject: Re: [PATCH net-next] net: cdc_ncm: fix 64bit division build error

Hi all,

On Mon, 19 May 2014 09:21:09 +0200 Bjørn Mork <bjorn@...k.no> wrote:
>
> The upper timer_interval limit is arbitrary and much higher
> than anything usable in the real world.  Reducing it from 15s
> to ~4s to make the timer_interval fit in an u32 does not make
> much difference.  The limit is still outside the practical
> bounds.
> 
> This eliminates the need for a 64bit timer_interval, fixing a
> build error related to 64bit division:
> 
>  drivers/built-in.o: In function `cdc_ncm_get_coalesce':
>  ak8975.c:(.text+0x1ac994): undefined reference to `__aeabi_uldivmod'
> 
> Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
> Signed-off-by: Bjørn Mork <bjorn@...k.no>

I have applied this as a fix patch to linux-next today.
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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