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Date: Thu, 11 Mar 2010 20:26:03 +0000 From: Russell King - ARM Linux <linux@....linux.org.uk> To: Linus Walleij <linus.ml.walleij@...il.com> Cc: Viresh KUMAR <viresh.kumar@...com>, rajeev-dlh.kumar@...com, shiraz.hashim@...com, armando.visconti@...com, ashish.priyadarshi@...com, linux-kernel@...r.kernel.org, vipin.kumar@...com, amit.goel@...com, deepak.sikri@...com, linux-arm-kernel@...ts.infradead.org Subject: Re: [PATCH 10/11] ST SPEAr: Added default configuration files for SPEAr machines On Thu, Mar 11, 2010 at 09:18:40PM +0100, Linus Walleij wrote: > 2010/3/3 Viresh KUMAR <viresh.kumar@...com>: > > (...) > > +CONFIG_HAVE_GENERIC_DMA_COHERENT=y > > Not specifically related to this defconfig because hundreds of defconfigs > use this, but HAVE_GENERIC_DMA_COHERENT is not used in anything but > a few Kconfig files, all just defining it. No single Makefile, #ifdef > or anything > else seems to be using this, so what is it for?? I can't find any use even if I > go back to kernel 2.6.11 on LXR. Err... drivers/base/Makefile:obj-$(CONFIG_HAVE_GENERIC_DMA_COHERENT) += dma-coherent.o include/asm-generic/dma-coherent.h:#ifdef CONFIG_HAVE_GENERIC_DMA_COHERENT -- 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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