From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alim Akhtar Subject: Re: [v3] arm: dts: exynos: Enable DMA support for UART modules on Exynos5 SoCs Date: Thu, 22 Dec 2016 17:37:21 +0530 Message-ID: <585BC1F9.2060603@samsung.com> References: <1482141648-21294-1-git-send-email-m.szyprowski@samsung.com> <585BB579.9040403@samsung.com> <2b04debd-c221-aa26-797f-f9a7557d3043@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mailout2.samsung.com ([203.254.224.25]:51759 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934366AbcLVMKN (ORCPT ); Thu, 22 Dec 2016 07:10:13 -0500 Received: from epcas2p4.samsung.com (unknown [182.195.41.56]) by mailout2.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0OIL00C9N5RJ8NE0@mailout2.samsung.com> for linux-samsung-soc@vger.kernel.org; Thu, 22 Dec 2016 21:09:19 +0900 (KST) In-reply-to: <2b04debd-c221-aa26-797f-f9a7557d3043@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Marek Szyprowski , linux-samsung-soc@vger.kernel.org Cc: Sylwester Nawrocki , Krzysztof Kozlowski , Bartlomiej Zolnierkiewicz On 12/22/2016 04:48 PM, Marek Szyprowski wrote: > Hi Alim, > > On 2016-12-22 12:14, Alim Akhtar wrote: >> Hello, >> >> On 12/19/2016 03:30 PM, Marek Szyprowski wrote: >>> UART modules can use DMA for offloading data transfers and reducing >>> interrupts, so enable this feature for Exynos5 boards. Tested on >>> Google ChromeBook Snow (Exynos5250), Odroid XU (Exynos5410) and Odroid >>> XU3 (Exynos5422) boards. >>> >>> Signed-off-by: Marek Szyprowski >>> --- >>> v3: >>> - added Exynos5410 >> >> make failed with this patch with below error: >> DTC arch/arm/boot/dts/exynos5410-odroidxu.dtb >> ERROR (phandle_references): Reference to non-existent node or label >> "pdma0" >> >> ERROR (phandle_references): Reference to non-existent node or label >> "pdma0" >> >> ERROR (phandle_references): Reference to non-existent node or label >> "pdma1" >> >> ERROR (phandle_references): Reference to non-existent node or label >> "pdma1" >> >> ERROR (phandle_references): Reference to non-existent node or label >> "pdma0" >> >> ERROR (phandle_references): Reference to non-existent node or label >> "pdma0" >> >> ERROR (phandle_references): Reference to non-existent node or label >> "pdma1" >> >> ERROR (phandle_references): Reference to non-existent node or label >> "pdma1" >> >> ERROR: Input tree has errors, aborting (use -f to force output) >> make[1]: *** [arch/arm/boot/dts/exynos5410-odroidxu.dtb] Error 2 >> make: *** [dtbs] Error 2 >> ------------------------------------- >> >> I tried building against linux-next with tag v4.9. >> >> 69973b8 Linux 4.9 >> 2e4333c Merge branch 'upstream' of >> git://git.linux-mips.org/pub/scm/ralf/upstream-linus >> ba73515 MIPS: Lantiq: Fix mask of GPE frequency >> >> Let me know if I am missing other patches. > > Please apply it on top of for-next branch from > git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux.git > Thanks Marek for the above link. Tested this patch on exynos5800 peach-pi board. Tested-by: Alim Akhtar > > [...] > > Best regards