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Date: Sat, 4 Nov 2006 22:03:57 +0300 From: Alexey Dobriyan <adobriyan@...il.com> To: William D Waddington <william.waddington@...zmo.com> Cc: linux-kernel@...r.kernel.org Subject: Re: [PATCH] IRQ: ease out-of-tree migration to new irq_handler prototype On Sat, Nov 04, 2006 at 10:29:37AM -0800, William D Waddington wrote: > Ease out-of-tree driver migration to new irq_handler prototype. > Define empty 3rd argument macro for use in multi kernel version > out-of-tree drivers going forward. Backportable drives can do: > > (in a header) > #ifndef __PT_REGS > # define __PT_REGS , struct pt_regs *regs > #endif Backportable drivers should check kernel version themselves and define __PT_REGS themselves. > (in code body) > static irqreturn_t irq_handler(int irq, void *dev_id __PT_REGS) > +/* > + * Irq handler migration helper - empty 3rd argument > + * #define __PT_REGS , struct pt_regs *regs > + * for older kernel versions > + */ > + > +#define __PT_REGS - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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