From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752160AbaIKEpJ (ORCPT ); Thu, 11 Sep 2014 00:45:09 -0400 Received: from mailout4.samsung.com ([203.254.224.34]:16791 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751652AbaIKEpG (ORCPT ); Thu, 11 Sep 2014 00:45:06 -0400 X-AuditID: cbfee68f-f797f6d000001173-5e-541128cfff29 Message-id: <541128CE.9060804@samsung.com> Date: Thu, 11 Sep 2014 13:45:02 +0900 From: Jaehoon Chung User-Agent: Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-version: 1.0 To: Alim Akhtar Cc: Alim Akhtar , Ulf Hansson , Arnd Bergmann , Yuvaraj Kumar C D , Andrew Bresticker , Chris Ball , "linux-kernel@vger.kernel.org" , linux-mmc , "tgih.jun@samsung.com" Subject: Re: [PATCH] mmc: dw_mmc: add support for ARM64 References: <1409307891-16523-1-git-send-email-alim.akhtar@samsung.com> <54110688.30604@samsung.com> In-reply-to: Content-type: text/plain; charset=UTF-8 Content-transfer-encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrJIsWRmVeSWpSXmKPExsWyRsSkWPe8hmCIwZbzghYr3/9ltFh6q9ri wbxtbBZ/Jx1jt5hweTujxeVdc9gsjvzvZ7T4cP8is8XxteEWZ0+VO3B5/P41idFjdsNFFo+d s+6ye9y5tofN48arhUwefVtWMXp83iQXwB7FZZOSmpNZllqkb5fAlfG7ZzVTwQ/ximn959kb GCcIdzFyckgImEhs/dfHBmGLSVy4tx7I5uIQEljKKPFvUz9zFyMHWNHUzQIgNUICixgl/l6o hKh5zSixcf9FZpAEr4CWxIH5t5lAbBYBVYk525+wgthsAjoS278dB4uLCoRJHGqbxwRRLyjx Y/I9FhBbREBd4uX9jawgQ5kFWpklJh+aCrZYWMBc4sMpMYhlu5kk2qd0M4I0cAoES0zo6GQH sZmBmifNW8QMYctLbF7zlhmkQULgK7vEl9u7WSEuEpD4NvkQC8Q3shKbDjBDfCwpcXDFDZYJ jGKzkNw0C8nYWUjGLmBkXsUomlqQXFCclF5krFecmFtcmpeul5yfu4kRGKOn/z3r38F494D1 IUYBDkYlHt4KFsEQIdbEsuLK3EOMpkBXTGSWEk3OByaCvJJ4Q2MzIwtTE1NjI3NLMyVx3oVS P4OFBNITS1KzU1MLUovii0pzUosPMTJxcEo1MNo++avJIRxVKh5f7vOcb+WazbxvflYbbfOe ohJwPS9a9df2dcfzJsl967WojdzJ511W+Sa1eWfhreui/TMXihf0cgSv+Gnq9n6LeuAdr9QE +eVJfi2WUf02HDqsyz7b7CnTnsLy/dbXRXOPWKSsnd9hdnNWBlfq4jkMTyxtlH88jt37YdfD KiWW4oxEQy3mouJEAIo0pkTMAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpmleLIzCtJLcpLzFFi42I5/e+xgO55DcEQg1NHuCxWvv/LaLH0VrXF g3nb2Cz+TjrGbjHh8nZGi8u75rBZHPnfz2jx4f5FZovja8Mtzp4qd+Dy+P1rEqPH7IaLLB47 Z91l97hzbQ+bx41XC5k8+rasYvT4vEkugD2qgdEmIzUxJbVIITUvOT8lMy/dVsk7ON453tTM wFDX0NLCXEkhLzE31VbJxSdA1y0zB+g6JYWyxJxSoFBAYnGxkr4dpgmhIW66FjCNEbq+IUFw PUYGaCBhDWPG757VTAU/xCum9Z9nb2CcINzFyMEhIWAiMXWzQBcjJ5ApJnHh3no2EFtIYBGj xN8LlV2MXED2a0aJjfsvMoMkeAW0JA7Mv80EYrMIqErM2f6EFcRmE9CR2P7tOFhcVCBM4lDb PCaIekGJH5PvsYDYIgLqEi/vb2QFGcos0MosMfnQVGaQI4QFzCU+nBKDWLabSaJ9SjcjSAOn QLDEhI5OdhCbGah50rxFzBC2vMTmNW+ZJzAKzEKyYxaSsllIyhYwMq9iFE0tSC4oTkrPNdIr TswtLs1L10vOz93ECE4Az6R3MK5qsDjEKMDBqMTDW8kiGCLEmlhWXJl7iFGCg1lJhDfhgUCI EG9KYmVValF+fFFpTmrxIUZTYBBMZJYSTc4HJqe8knhDYxMzI0sjc0MLI2NzJXHeg63WgUIC 6YklqdmpqQWpRTB9TBycUg2MM+503n/aenvXctMPPyr298gHvWgw0X3cczz8I1/Inx7eb+EP 6s7IlcYIR385N2tla//Pbzc9Hvfsny/BrC0c5ee2/U3ve7bas+IflzNrmpkvijbpU/qVzCIW u5lVxoJjf2EC48SHmfmpYQblk1t6TxY3K1Z3/9s1VbikYsZszxiHqyl/GFiVWIozEg21mIuK EwFlp33mFgMAAA== DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Alim. On 09/11/2014 11:35 AM, Alim Akhtar wrote: > Hi Jaehoon, > On Sep 11, 2014 11:18 AM, "Jaehoon Chung" > wrote: >> >> On 09/09/2014 08:31 PM, Alim Akhtar wrote: >> > Hi Ulf, >> > >> > On Tue, Sep 9, 2014 at 12:21 PM, Ulf Hansson > wrote: >> >> On 29 August 2014 12:24, Alim Akhtar > wrote: >> >>> There are upcoming ARM64 SoCs with dw_mmc host controller. >> >>> >> >>> Signed-off-by: Alim Akhtar > >> >>> --- >> >>> drivers/mmc/host/Kconfig | 2 +- >> >>> 1 file changed, 1 insertion(+), 1 deletion(-) >> >>> >> >>> diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig >> >>> index a43295c..72dd6c2 100644 >> >>> --- a/drivers/mmc/host/Kconfig >> >>> +++ b/drivers/mmc/host/Kconfig >> >>> @@ -580,7 +580,7 @@ config SDH_BFIN_MISSING_CMD_PULLUP_WORKAROUND >> >>> config MMC_DW >> >>> tristate "Synopsys DesignWare Memory Card Interface" >> >>> depends on HAS_DMA >> >>> - depends on ARC || ARM || MIPS || COMPILE_TEST >> >>> + depends on ARC || ARM || ARM64 || MIPS || COMPILE_TEST >> >> >> >> Before enabling this, wouldn't it be better to add the needed support >> >> in dw_mmc first? Or there are no changes needed? >> >> >> >> There are also ongoing development and discussions for exynos7, which >> >> I guess relates to this? >> >> http://www.spinics.net/lists/linux-mmc/msg28294.html >> > Thanks for looking into this. >> > >> > Yes, this patch is being tested on exynos7 platform which is ongoing >> > development. >> > The above link is one of them. >> > I feel this patch is too generic in nature and we now known at least >> > exynos7 is going to use this. >> > I don't know if there are any other ARM64 platform with dw_mmc controller. >> >> If we need to prepare the ARM64, the above patch(linked patch) has to merge, why not? > I am not in hurry to merge this now, as I said, its upto the maintainers to decide when to take this and I am ok with that. >> But it needs to test for other SoCs and rework it. > What rework you are anticipating here? Sorry for confusing you. (I didn't see the above URL.) You need to use this patch (http://www.spinics.net/lists/linux-mmc/msg21742.html), right? Then need to rework it. Best Regards, Jaehoon Chung > > Thanks. >> >> Best Regards, >> Jaehoon Chung >> >> > >> > So, I am going to leave this upto you to decide when to take this >> > patch, incase you decided to take it after exynos7 support lands, I >> > will send a reminder for this. >> >> >> >> Kind regards >> >> Uffe >> >> -- >> >> To unsubscribe from this list: send the line "unsubscribe linux-mmc" in >> >> the body of a message to majordomo@vger.kernel.org >> >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> > >> > >> > >> >