From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [PATCH v3 4/7] of: configure the platform device dma parameters Date: Wed, 28 May 2014 15:29:26 +0200 Message-ID: <4960549.viM91iY2g2@wuerfel> References: <1398353407-2345-1-git-send-email-santosh.shilimkar@ti.com> <5840140.8yGnd4Ycx3@wuerfel> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Linus Walleij Cc: Grant Likely , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , Santosh Shilimkar , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Grygorii Strashko , Russell King , Greg Kroah-Hartman , Rob Herring , Catalin Marinas , Olof Johansson List-Id: devicetree@vger.kernel.org On Wednesday 28 May 2014 10:23:09 Linus Walleij wrote: > diff --git a/arch/arm/boot/dts/integratorap.dts > b/arch/arm/boot/dts/integratorap.dts > index b10e6351da53..f0c397fd45c5 100644 > --- a/arch/arm/boot/dts/integratorap.dts > +++ b/arch/arm/boot/dts/integratorap.dts > @@ -8,6 +8,7 @@ > / { > model = "ARM Integrator/AP"; > compatible = "arm,integrator-ap"; > + dma-ranges = <0x80000000 0x8 0x00000000 0x80000000>; > > aliases { > arm,timer-primary = &timer2; > It looks like you accidentally copied the ranges from keystone, even though that has a 64-bit root bus and you only have 32-bit. I suspect what you want is dma-ranges = <0x80000000 0 0x80000000>; to translate dma_addr_t 0x80000000-0xffffffff to phys_addr_t 0x0-0x7fffffff rather than phys_addr_t 0x800000000-0x87fffffff. 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