From mboxrd@z Thu Jan 1 00:00:00 1970 From: arnd@arndb.de (Arnd Bergmann) Date: Fri, 15 Nov 2013 21:19:55 +0100 Subject: [PATCH 1/3] Documentation: Add APM X-Gene SoC 6.0Gbps SATA PHY driver binding documentation In-Reply-To: References: <1384457519-21335-1-git-send-email-lho@apm.com> <201311152054.10859.arnd@arndb.de> Message-ID: <201311152119.55630.arnd@arndb.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Friday 15 November 2013, Loc Ho wrote: > Hi, > > >> It may be possible from ACPI point of view (hasn't tried yet). But for > >> DTS, there is no such firmware. > > > > Why not? Doesn't any boot loader have to initialize the hardware in order > > to load a kernel from disk? > [Loc Ho] > Not necessary for network booting, SD boot, and USB boot with ramdisk. But why not just initialize them all if you already have the boot loader contain all the drivers? There really isn't any difference between passing an ACPI blob or a DT blob to the kernel, as far as the boot loader is concerned. Arnd