From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [PATCH v2 5/7] ARM: of: introduce common routine for DMA configuration Date: Fri, 28 Feb 2014 16:31:05 +0100 Message-ID: <11548178.4dQyMzBAP8@wuerfel> References: <1393535872-20915-1-git-send-email-santosh.shilimkar@ti.com> <9618080.kpE3Kl6X8p@wuerfel> <5310A5F1.9070901@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <5310A5F1.9070901-l0cyMroinI0@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Santosh Shilimkar Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, magnus.damm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, Grygorii Strashko , Russell King , Olof Johansson List-Id: devicetree@vger.kernel.org On Friday 28 February 2014 10:06:25 Santosh Shilimkar wrote: > I made that LPAE specific assuming the 32 machines anyway are > happy with default as they are today. We can keep CONFIG_ARM > and handle the special case in machine platform notifier. I think all other machines that support LPAE can also run with LPAE disabled and still use coherent DMA, they may just not support all the available RAM. Arnd -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 From: arnd@arndb.de (Arnd Bergmann) Date: Fri, 28 Feb 2014 16:31:05 +0100 Subject: [PATCH v2 5/7] ARM: of: introduce common routine for DMA configuration In-Reply-To: <5310A5F1.9070901@ti.com> References: <1393535872-20915-1-git-send-email-santosh.shilimkar@ti.com> <9618080.kpE3Kl6X8p@wuerfel> <5310A5F1.9070901@ti.com> Message-ID: <11548178.4dQyMzBAP8@wuerfel> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Friday 28 February 2014 10:06:25 Santosh Shilimkar wrote: > I made that LPAE specific assuming the 32 machines anyway are > happy with default as they are today. We can keep CONFIG_ARM > and handle the special case in machine platform notifier. I think all other machines that support LPAE can also run with LPAE disabled and still use coherent DMA, they may just not support all the available RAM. Arnd