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Date: Thu, 10 Jul 2014 12:38:55 +0200 From: Arnd Bergmann <arnd@...db.de> To: Thierry Reding <thierry.reding@...il.com> Cc: Russell King <linux@....linux.org.uk>, Catalin Marinas <catalin.marinas@....com>, Will Deacon <will.deacon@....com>, linux-arm-kernel@...ts.infradead.org, linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 1/3] asm-generic/io.h: Implement generic {read,write}s*() On Wednesday 09 July 2014, Thierry Reding wrote: > > From: Thierry Reding <treding@...dia.com> > > This patch implements generic versions of readsb(), readsw(), readsl(), > readsq(), writesb(), writesw(), writesl() and writesq(). Variants of > these string functions for I/O accesses (ins*() and outs*() as well as > ioread*_rep() and iowrite*_rep()) are now implemented in terms of the > new functions. > > While at it, also make sure that any of the functions provided as > fallback for architectures that don't override them can't be overridden > subsequently. > > This is compile- and runtime-tested on 32-bit and 64-bit ARM and compile > tested on Microblaze, s390, SPARC and Xtensa. For ARC, Blackfin, Metag, > OpenRISC, Score and Unicore32 which also use asm-generic/io.h I couldn't > find or build a cross-compiler that would run on my system. But by code > inspection they shouldn't break with this patch. > > Signed-off-by: Thierry Reding <treding@...dia.com> Acked-by: Arnd Bergmann <arnd@...db.de> Thanks for doing this! Not sure how to best merge the series, but for the asm-generic patch, I'd suggest to keep it together with the follow-on patches in one branch and merge it either through Russell's arm32 tree or through Catalin's arm64 tree. The easiest way would probably be to take patches 1 and 3 for arm64 in 3.17 and merge patch 2 in 3.18, unless Russell wants to see this earlier, in which case we could have a branch that is shared between arm32 and arm64. Arnd -- 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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