From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Thu, 06 Aug 2015 04:20:15 +0200 (CEST) Received: from mailout2.samsung.com ([203.254.224.25]:55899 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S27006959AbbHFCUNrv59Q (ORCPT ); Thu, 6 Aug 2015 04:20:13 +0200 Received: from epcpsbgr5.samsung.com (u145.gpu120.samsung.co.kr [203.254.230.145]) by mailout2.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0NSN025JL2HHVQ00@mailout2.samsung.com>; Thu, 06 Aug 2015 11:20:06 +0900 (KST) Received: from epcpsbgm1new.samsung.com ( [172.20.52.115]) by epcpsbgr5.samsung.com (EPCPMTA) with SMTP id 08.03.17770.554C2C55; Thu, 6 Aug 2015 11:20:05 +0900 (KST) X-AuditID: cbfee691-f79ca6d00000456a-1d-55c2c455a4a9 Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm1new.samsung.com (EPCPMTA) with SMTP id E4.57.23663.554C2C55; Thu, 6 Aug 2015 11:20:05 +0900 (KST) Received: from [10.252.81.186] by mmp2.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0NSN002ZM2HFW3C0@mmp2.samsung.com>; Thu, 06 Aug 2015 11:20:05 +0900 (KST) Message-id: <55C2C453.3000005@samsung.com> Date: Thu, 06 Aug 2015 11:20:03 +0900 From: Jaehoon Chung User-Agent: Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-version: 1.0 To: Doug Anderson , Shawn Lin Cc: Ulf Hansson , Seungwon Jeon , linux-mips@linux-mips.org, Arnd Bergmann , Alexandre Belloni , Alexey Brodkin , Stefan Agner , Zhou Wang , Kumar Gala , Alim Akhtar , Ian Campbell , Wang Long , Rob Herring , Chaotian Jing , Lukasz Majewski , Jun Nie , Catalin Marinas , Kevin Hao , Olof Johansson , Ray Jui , Govindraj Raja , linux-samsung-soc , Heiko Stuebner , "Rafael J. Wysocki" , Geert Uytterhoeven , Vineet Gupta , Scott Branden , Anand Moon , "open list:ARM/Rockchip SoC..." , Krzysztof Kozlowski , Tushar Behera , Pawel Moll , Will Deacon , Mischa Jonker , Ralf Baechle , Javier Martinez Canillas , Vincent Yang , Stephen Warren , "devicetree@vger.kernel.org" , Kukjin Kim , Tomeu Vizoso , Stephen Boyd , Russell King , Joachim Eastwood , Sjoerd Simons , Weijun Yang , Peter Griffin , "linux-arm-kernel@lists.infradead.org" , addy ke , Uwe Kleine-K?nig , Jean Delvare , Kevin Hilman , Andrew Bresticker , "linux-mmc@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Zhangfei Gao , Wei Xu , Andreas Faerber , Mark Rutland , Srinivas Kandagatla , CPGS Subject: Re: [RFC PATCH v3 2/5] Documentation: synopsys-dw-mshc: add bindings for idmac and edmac References: <1438762614-22154-1-git-send-email-shawn.lin@rock-chips.com> <1438762672-22243-1-git-send-email-shawn.lin@rock-chips.com> In-reply-to: Content-type: text/plain; charset=utf-8 Content-transfer-encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA02Ta0yTdxTG8+97K0ySdxX0L8viRjRkBnRA0bO464eF98vcDEEyY6KVvUPD xaaFRrLNNCtOwsC20A1WsLJwscxya3fhNsRaYJPLqETqnLSFFsVix4bOog66lprMb7+cy3Oe 58MREqIFOl54vLCIlxVK8hPoaNIUK5YnZ9msWa+OBsTQurSKQHV9noGWYEAAKrMcyqYbBeA2 /EjDatUwA0stFQimb56n4a71FThvm6BgvOUyDep731Jwrq4Kwcq8k4ThO24KgnOLFEz4WhEM PZFC88wyDU3eWQYWF1JA7Vkk4J8rRgT3Zi0IzJ5pCqZ662nQfFXFgC2oRrDsDhJQ+9uAANq7 bjLwx1QM2KZMCPocEwiaHXYBuBoDCK467oe2atpI6KxdI8Fj9DNwrX8bzH9joeH0zzYGVsa+ JOHPi14Et7wdFNSM+Cn4YniYAkv7GQZu1JRS8JfLTsDZtms0dFb3hW5pqxGMtGWD9Yc5Ei4Y UmFguRmBv2GIgbt//0KCd0hHwO+mSebtt7jGgJPgTAYT4kpVFTT35HEV4vSucZqrU9pJbups pYBbveMgue6ZJsT19tRTnNdsR5x2PJnr0c8wXOuFBzTnOdfFcKU2P/XBSwejX/+Izz+u4GW7 3jwSfeyWb42SNlEnyxdqKSVSk+VIKMSsGI9pDpWjqBBuwpPODrocRQtFrBFhn2WOiDTE2O64 RIVZxOoRbm/ZExlyI6zTGJhwI4bdgf0NPetMstuxxqWiw0yzSfinhyOCMMexB/BYbRkZmX8e r1Q71zmWfR93u8rJsCjBGmNx7xXz+sJGNgc32vsFkcsTCF8/nR3mKDYTT1bY1xMQbCLW6QrC ZYLdii0mPxHWwazuOayc0aKIIRY/rLY+TfwiNg8+DbYFXzbeIDVok/4ZS/r/VfXPqDYg4jsU x0tzpPKjubL0nXJJgby4MHdnzokCMwo9wOjabW03cg3utSJWiBI2xLhN1iwRJVHISwqsKD1k QkvEx+WcCP1MYdHhlLTdqZAuTk9L3fPa7oTNMUkvPMoUsbmSIj6P56W87LCsOJ+XW5FAGBWv RLv+7Rbu8zSn5W3pdy4pl9yK4k6+ZNvm7X0l1NdnMhpO1o905m29muSq/HDD/kO33yiT/Xrq 6Duei5mfx55SqDriQKiuS7u//+CDd4ODxd2P+uf3SZPf+943O9qQulYZiD9Qqkh8eW/G44EO z2efDCoTPzawn3aZfZzBvirKMPVfUmcnkPJjkpQdhEwu+Q9407xb+wMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA2WTe1BUZRTA59v7Wqy1C6F9w0wj7VSU0xKLIsdGe1hjt7FGRBDGmsHbcge2 2IX2AqWTE9OiMkguL1tABZSHkAsCOxIvbVwWcOQRCwllwqIs+YCVRAsmB+gujNnU99dvznd+ 55z5vjlywqeR8ZNr9cmCQc8nKOkVZPfCuLcq0m6LDHpQ+CJUT88jMF6ZYKBycVYGxgYRMobK ZDBW3EjDfG4nA9OVWQiGrpbQcNv2MpTY+yjorbxIg2nqJAUnjuUimJsYJaHz5hgFizcmKei7 U42g42ESVIzM0FDuus7A5C01mMYnCfijvQrB1HUrgobxIQoGW47TkH00lwH7ognBzNgiAQU/ XpBBbf1VBn4dVIB90IKgdbgPQcWwQwbOslkEl4fvS5a5hoS6ggUSxqvcDAy0PQ8ThVYaDpy3 MzDXc5iEu2dcCK65zlJg7nJTcLCzkwJr7SEGfjanU/C700HAkZoBGuryWqVeOXkIumqiwHbu Bgmni4PhwkwFAndpBwO3710iwdWRT8Avln7mzTe4stlRgrMUWxCXbsyiuYd/5SKuyNlLc8fS HCQ3eOQbGTd/c5jkmkbKEdfSfJziXA0OxOX0qrjmohGGqz79gObGT9QzXLrdTYX5705Dm+IF PlYw+At6TWKsVh+3WbltZ8zbMSEbgtQq9UYIVfrreZ2wWfnO+2GqrdoE6TuV/ql8QooUCuNF Ufnq6/+vEBmxVQWPxGjVBxHh/zjBQf85eywo/tqdBSqpnPoi81YBlYZMZCbykmN2PXYM/0At 82rcP3qW9rAPW4RwbWVoJloh8RjC+dnFjOdCwa7F7tLmJSbZF3C207gk0Owr+Ps/u2QeXsXu wj0FGeRyvjeeyxtdYl92O25yZpKeogRb5Ytb2huWhKdZDS5ztMmWO/chfOVAlIe92J24P8sh CXJJCMD5+TpPmGDXYKvFTWQjacrHLYoeZxX9K6sUEd8hLCRpksSP43RqvfB5oMjrxBR9XKAm UdeAlnbmN78mdLHlXRti5Uj5pGLMYov0ofhUca/OhrCcUPoqpjOkkCKW37tPMCTGGFISBNGG QqQ3yCH8VmkSpQ3UJ8eo163fELwxOFQNwetClc8onq2zRvqwcXyy8KkgJAmGR55M7uWXhvC9 +M9Ul8xfvRaDy+/uN50yxs6cqogu9+ou3DT1pbZkQWvZlzvtXZbwXrjDe3+4S1vYrdnR3vhJ bPRU+67ziQGXD630/rZt9OTBgamAMzU6W0Ddh17iuTVbssw9gc+ZBroPr155/6Pd244+NdL8 Ukh2654nIqIWzCNb6p0/fR2earC+pVWSYjyvXksYRP5vIMQ4xEkEAAA= DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 48647 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: jh80.chung@samsung.com Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips On 08/06/2015 11:16 AM, Doug Anderson wrote: > Shawn, > > On Wed, Aug 5, 2015 at 1:17 AM, Shawn Lin wrote: >> synopsys-dw-mshc supports three types of transfer mode. We add bindings >> and description for how to use them at runtime. Without idmac and edmac >> property, pio is the default transfer mode. Make sure that Idmac and emdac >> should not be used simultaneously. > > Can't you just read the HCON register? > > [17:16]: DMA_INTERFACE > 00: none > 01: DW_DMA > 10: GENERIC_DMA > 11: NON-DW-DMA If read it and get the exactly information. I think we can use that information. Best Regards, Jaehoon Chung > From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaehoon Chung Subject: Re: [RFC PATCH v3 2/5] Documentation: synopsys-dw-mshc: add bindings for idmac and edmac Date: Thu, 06 Aug 2015 11:20:03 +0900 Message-ID: <55C2C453.3000005@samsung.com> References: <1438762614-22154-1-git-send-email-shawn.lin@rock-chips.com> <1438762672-22243-1-git-send-email-shawn.lin@rock-chips.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-reply-to: Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-subscribe: List-owner: List-post: List-archive: To: Doug Anderson , Shawn Lin Cc: Ulf Hansson , Seungwon Jeon , linux-mips@linux-mips.org, Arnd Bergmann , Alexandre Belloni , Alexey Brodkin , Stefan Agner , Zhou Wang , Kumar Gala , Alim Akhtar , Ian Campbell , Wang Long , Rob Herring , Chaotian Jing , Lukasz Majewski , Jun Nie , Catalin Marinas , Kevin Hao , Olof Johansson , Ray Jui , Govindr List-Id: linux-mmc@vger.kernel.org On 08/06/2015 11:16 AM, Doug Anderson wrote: > Shawn, > > On Wed, Aug 5, 2015 at 1:17 AM, Shawn Lin wrote: >> synopsys-dw-mshc supports three types of transfer mode. We add bindings >> and description for how to use them at runtime. Without idmac and edmac >> property, pio is the default transfer mode. Make sure that Idmac and emdac >> should not be used simultaneously. > > Can't you just read the HCON register? > > [17:16]: DMA_INTERFACE > 00: none > 01: DW_DMA > 10: GENERIC_DMA > 11: NON-DW-DMA If read it and get the exactly information. I think we can use that information. Best Regards, Jaehoon Chung >