From mboxrd@z Thu Jan 1 00:00:00 1970 From: jk@ozlabs.org (Jeremy Kerr) Date: Thu, 23 Feb 2017 22:24:10 +0800 Subject: [PATCH v3 01/18] drivers/fsi: Add empty fsi bus definitions In-Reply-To: References: <20170201165358.45415-1-cbostic@linux.vnet.ibm.com> <20170201165358.45415-2-cbostic@linux.vnet.ibm.com> Message-ID: <53c63405-8aeb-9751-62d6-4583847dce3c@ozlabs.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Geert, >> --- /dev/null >> +++ b/drivers/fsi/Kconfig >> @@ -0,0 +1,12 @@ >> +# >> +# FSI subsystem >> +# >> + >> +menu "FSI support" >> + >> +config FSI >> + tristate "FSI support" > > I guess this should depend on some POWER symbol || COMPILE_TEST? No, this is pretty hardware-independent - all it requires on the HW side is two GPIOs. Although the FSI slave devices are typically only present on POWER systems, they can be driven from anything, with currently implementations being on ARM and 32-bit powerpc. Cheers, Jeremy