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Date: Thu, 5 Mar 2009 01:43:55 -0800 (PST)
From: Trent Piepho <xyzzy@speakeasy.org>
To: Jean Delvare <khali@linux-fr.org>
cc: LMML <linux-media@vger.kernel.org>
Subject: Re: [PATCH] cx88: Prevent general protection fault on rmmod
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On Thu, 5 Mar 2009, Jean Delvare wrote:
> +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
>  	struct work_struct work;
>  	struct timer_list timer;
> +#else
> +	struct delayed_work work;
> +#endif

You don't need this compat stuff.  compat.h will take are of it for you.
Just code it like you would for the latest kernel.  The only thing you need
to worry about is the way the third argument of the work function went
away, but the ifdef that's already there takes care of it.