From mboxrd@z Thu Jan 1 00:00:00 1970 From: gang.chen.5i5j@gmail.com (Chen Gang) Date: Tue, 12 Aug 2014 11:27:42 +0800 Subject: [PATCH] arch: Kconfig: Let all little endian architectures define CPU_LITTLE_ENDIAN explicitly In-Reply-To: <20140811225326.GF30401@n2100.arm.linux.org.uk> References: <53E93334.5000205@gmail.com> <20140811225326.GF30401@n2100.arm.linux.org.uk> Message-ID: <53E989AE.7070808@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 8/12/14 6:53, Russell King - ARM Linux wrote: > On Tue, Aug 12, 2014 at 05:18:44AM +0800, Chen Gang wrote: >> x86, ia64, and arm(64) are little endian, and also another architectures >> may be little endian (mips, sh, powerpc, and m32r) which already marked >> CPU_LITTLE_ENDIAN explicitly. > > This is incorrect. ARM can be either endian. > > arch/arm/mm/Kconfig: > > config CPU_BIG_ENDIAN > bool "Build big-endian kernel" > depends on ARCH_SUPPORTS_BIG_ENDIAN > help > Say Y if you plan on running a kernel in big-endian mode. > Note that your board must be properly built and your board > port must properly enable any big-endian related features > of your chipset/board/processor. > OK, thanks, I shall check all CPU_BIG_ENDIAN and send patch v2 for it. And still welcome another ideas, suggestions or completions, especially for another architectures. Thanks. -- Chen Gang Open, share, and attitude like air, water, and life which God blessed