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Message-Id: <2731BCF2-D0C0-4B77-A59F-FF3AB2A725D6@gmail.com> Date: Wed, 14 Oct 2015 10:41:26 +0800 From: yalin wang <yalin.wang2010@...il.com> To: Catalin Marinas <catalin.marinas@....com> Cc: Will Deacon <will.deacon@....com>, mark.rutland@....com, toshi.kani@...com, andre.przywara@....com, michal.simek@...inx.com, linux-kernel@...r.kernel.org, treding@...dia.com, mingo@...nel.org, linux-arm-kernel@...ts.infradead.org Subject: Re: [RFC] arm64: ioremap: add ioremap_cache macro > On Oct 13, 2015, at 23:20, Catalin Marinas <catalin.marinas@....com> wrote: > > On Tue, Oct 13, 2015 at 03:23:27PM +0100, Will Deacon wrote: >> On Tue, Oct 13, 2015 at 03:10:55PM +0100, Catalin Marinas wrote: >>> On Mon, Oct 12, 2015 at 10:28:18AM +0800, yalin wang wrote: >>>> Add ioremap_cache macro, because some code will test if this macro >>>> is defined or not, and will generate a generric version if not defined, >>>> for example, memremap.c do like this. >>>> >>>> Signed-off-by: yalin wang <yalin.wang2010@...il.com> >>>> --- >>>> arch/arm64/include/asm/io.h | 1 + >>>> 1 file changed, 1 insertion(+) >>>> >>>> diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h >>>> index 44be1e0..d6b620c 100644 >>>> --- a/arch/arm64/include/asm/io.h >>>> +++ b/arch/arm64/include/asm/io.h >>>> @@ -172,6 +172,7 @@ extern void __iomem *ioremap_cache(phys_addr_t phys_addr, size_t size); >>>> #define ioremap_wc(addr, size) __ioremap((addr), (size), __pgprot(PROT_NORMAL_NC)) >>>> #define ioremap_wt(addr, size) __ioremap((addr), (size), __pgprot(PROT_DEVICE_nGnRE)) >>>> #define iounmap __iounmap >>>> +#define ioremap_cache ioremap_cache >>> >>> Applied. Thanks. >> >> I'm not sure we want this. See: >> >> https://lkml.org/lkml/2015/10/9/699 > > Thanks Will and Arnd, I missed this. Patch reverted. > i don’t understand why conflict with Dan Williams’ patch. Dan Williams ’s patch also define ioremap_cache for arch ia64 & arch sh & arch xtensa , i see this : # git show 92281dee825f am i miss something? Thanks -- 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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