From mboxrd@z Thu Jan 1 00:00:00 1970 From: daniel.thompson@linaro.org (Daniel Thompson) Date: Fri, 22 May 2015 16:56:04 +0100 Subject: [PATCH soc] ARM: use ARM_SINGLE_ARMV7M for ARMv7-M platforms In-Reply-To: References: <1432161344-1930-1-git-send-email-stefan@agner.ch> <15864413.ed8EFg1NLl@wuerfel> Message-ID: <555F5194.4040309@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 22/05/15 16:29, Maxime Coquelin wrote: > 2015-05-22 16:50 GMT+02:00 Arnd Bergmann : >> [one small request as I have four armv7-m folks on Cc already: >> could one of you try to fix the warning that I get with every >> single build: "/git/arm-soc/arch/arm/kernel/head-nommu.S: Assembler >> messages: /git/arm-soc/arch/arm/kernel/head-nommu.S:167: Warning: >> Use of r13 as a source register is deprecated when r15 is the >> destination register."] > > Moving r13 to r12 and returning r12 seems to do the job (see below). > But I don't know if there is a more elegant way, and if it is also > valid for other architectures than armv7-m. Why not just s/r13/r11/? (works for me but I'm only working on single core system)