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<0c5a8009-d28b-601f-3d1a-9de0e869911c@xenosoft.de> <20191112144109.GA11805@lst.de> From: Christian Zigotzky Message-ID: <9b14ca1b-2d5d-52b5-c7b4-0e637dbb1157@xenosoft.de> Date: Wed, 13 Nov 2019 11:14:16 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 MIME-Version: 1.0 In-Reply-To: <20191112144109.GA11805@lst.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: de-DE X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, darren@stevens-zone.net, mad skateman , linux-kernel@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux-foundation.org, Rob Herring , paulus@samba.org, rtd2@xtra.co.nz, "contact@a-eon.com" , linuxppc-dev , nsaenzjulienne@suse.de Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Hello Christoph, I have found the issue. :-) GFP_DMA32 was renamed to GFP_DMA in the PowerPC updates 4.21-1 in December last year. Some PCI devices still use GFP_DMA32 (grep -r GFP_DMA32 *). I renamed GFP_DMA32 to GFP_DMA in the file "drivers/media/v4l2-core/videobuf-dma-sg.c". After compiling the RC7 of kernel 5.4 my TV card works again. Cheers, Christian On 12 November 2019 at 3:41 pm, Christoph Hellwig wrote: > On Mon, Nov 11, 2019 at 01:22:55PM +0100, Christian Zigotzky wrote: >> Now, I can definitely say that this patch does not solve the issue. >> >> Do you have another patch for testing or shall I bisect? > I'm still interested in the .config and dmesg. Especially if the > board is using arch/powerpc/sysdev/fsl_pci.c, which is the only > place inside the powerpc arch code doing funny things with the > bus_dma_mask, which Robin pointed out looks fishy. > >> Thanks, >> Christian > ---end quoted text--- >