From: simon.kagstrom@netinsight.net (Simon =?UTF-8?B?S8OlZ3N0csO2bQ==?=) Date: Thu, 20 Mar 2014 09:03:30 +0100 Subject: [PATCH RESEND v2 1/2] ARM: ixp4xx: Make dma_set_coherent_mask common, correct implementation In-Reply-To: <201403181558.37094.arnd@arndb.de> References: <20140317144016.0508cc4d@marrow.netinsight.se> <20140317144235.546d2e19@marrow.netinsight.se> <201403181558.37094.arnd@arndb.de> Message-ID: <20140320090330.49a1d372@marrow.netinsight.se> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, 18 Mar 2014 15:58:36 +0100 Arnd Bergmann wrote: > On Monday 17 March 2014, Simon K?gstr?m wrote: > > Non-PCI devices can use the entire 32-bit range, PCI dittos are > > limited to the first 64MiB. > > > > Also actually setup coherent_dma_mask. > > > > The patch has been verified on a board with 128MiB memory, one > > ipx4xx_eth device and a e100 PCI device. > > I've applied this patch to the next/fixes-non-critical branch of arm-soc. > Please let me know if you need to have it backported to older kernels > as well. Thanks. However, Krzysztof thinks that this implementation is incorrect. It certainly fixes my ixp4xx issues, but might not be good for everyone. // Simon