From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sylwester Nawrocki Subject: Re: Chromebook snow issues Date: Tue, 29 Sep 2015 17:35:50 +0200 Message-ID: <560AAFD6.4020400@samsung.com> References: <20150929094358.584e862c@recife.lan> <560A942F.2030206@samsung.com> <20150929110140.24724c04@recife.lan> <560AA11A.6000904@samsung.com> <20150929114256.40994f49@recife.lan> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: Received: from mailout3.w1.samsung.com ([210.118.77.13]:57776 "EHLO mailout3.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934005AbbI2Pgo (ORCPT ); Tue, 29 Sep 2015 11:36:44 -0400 Received: from eucpsbgm1.samsung.com (unknown [203.254.199.244]) by mailout3.w1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0NVG00LRH3D6R110@mailout3.w1.samsung.com> for linux-samsung-soc@vger.kernel.org; Tue, 29 Sep 2015 16:36:42 +0100 (BST) In-reply-to: <20150929114256.40994f49@recife.lan> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Mauro Carvalho Chehab Cc: Javier Martinez Canillas , Kamil Debski , Marek Szyprowski , linux-samsung-soc , Bartlomiej Zolnierkiewicz On 29/09/15 16:42, Mauro Carvalho Chehab wrote: > Em Tue, 29 Sep 2015 16:32:58 +0200 > Sylwester Nawrocki escreveu: > >> > Adding linux-samsung-soc mailing list at Cc. > > Never mind. My mistake: I forgot to reinstall the modules (mwifiex and mfc > drivers were compiled as such). > > It is working. > > I guess the only remaining thing is to add the dependency of EXYNOS_IOMMU > to the MFC driver. Sounds good. The patches I pointed out are only a workaround, in general MFC should also work without IOMMU. As the driver handles also SoCs without a SYSMMU hardware support adding such a Kconfig entry would not be correct. -- Regards, Sylwester