From mboxrd@z Thu Jan 1 00:00:00 1970 From: Santosh Shilimkar Subject: Re: [PATCH v2 5/7] ARM: of: introduce common routine for DMA configuration Date: Fri, 28 Feb 2014 10:35:45 -0500 Message-ID: <5310ACD1.2080000@ti.com> References: <1393535872-20915-1-git-send-email-santosh.shilimkar@ti.com> <9618080.kpE3Kl6X8p@wuerfel> <5310A5F1.9070901@ti.com> <11548178.4dQyMzBAP8@wuerfel> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <11548178.4dQyMzBAP8@wuerfel> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Arnd Bergmann 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 10:31 AM, Arnd Bergmann wrote: > 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. > Fair enough. Regards, Santosh -- 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: santosh.shilimkar@ti.com (Santosh Shilimkar) Date: Fri, 28 Feb 2014 10:35:45 -0500 Subject: [PATCH v2 5/7] ARM: of: introduce common routine for DMA configuration In-Reply-To: <11548178.4dQyMzBAP8@wuerfel> References: <1393535872-20915-1-git-send-email-santosh.shilimkar@ti.com> <9618080.kpE3Kl6X8p@wuerfel> <5310A5F1.9070901@ti.com> <11548178.4dQyMzBAP8@wuerfel> Message-ID: <5310ACD1.2080000@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Friday 28 February 2014 10:31 AM, Arnd Bergmann wrote: > 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. > Fair enough. Regards, Santosh