From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Dooks Date: Wed, 12 Feb 2014 14:28:54 +0000 Subject: Re: [PATCH] ARM: shmobile: set proper DMA masks for Ether devices Message-Id: <52FB8526.9000601@codethink.co.uk> List-Id: References: <201402120255.25037.sergei.shtylyov@cogentembedded.com> <52FB5FC0.3010808@codethink.co.uk> <52FB7642.4000506@cogentembedded.com> In-Reply-To: <52FB7642.4000506@cogentembedded.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-arm-kernel@lists.infradead.org On 12/02/14 13:25, Sergei Shtylyov wrote: > Hello. > > On 12-02-2014 15:49, Ben Dooks wrote: > >>> Ether MAC is a DMA-capable device and so should have 'dev.dma_mask' and >>> 'dev.coherent_dma_mask' fields set properly, to reflect 32-bit DMA >>> addressing >>> ability. Currently, the code works without DMA masks but in the >>> future, when >>> support for NETIF_F_HIGHDMA & NETIF_F_SG would be added to the >>> 'sh_eth' driver, >>> the DMA masks should start to matter... > >>> Signed-off-by: Sergei Shtylyov > >> Hi, do you have a git branch available with all the changes for getting >> ethernet working on rcar please? > > Depends on whether you want it working via DT or mere platform > devices. If the second, it's 3.14-rc1. If DT, I don't have a branch, > only several patches to apply atop of the current 'renesas.git' repo's > 'devel' branch that I've posted last week (note that only R8A779x is > currently supported by these patches and NFS boot timeout is still an > issue with them). ok, I have a slightly earlier version which seems to work with nfs boot for me. -- Ben Dooks http://www.codethink.co.uk/ Senior Engineer Codethink - Providing Genius