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Tue, 30 Jun 2020 07:34:52 +0000 (GMT) Subject: Re: [PATCH 3/4] arm64: dts: exynos: Align DMA controller bus node name with dtschema To: Krzysztof Kozlowski , Rob Herring , Kukjin Kim , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org From: Marek Szyprowski Message-ID: <3c1eb3fe-8eef-1f91-ff4e-3081a871fc80@samsung.com> Date: Tue, 30 Jun 2020 09:34:52 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <20200629204442.17336-3-krzk@kernel.org> Content-Language: en-US X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrLKsWRmVeSWpSXmKPExsWy7djPc7pyr3/FGTzltngwbxubxcYZ61kt rn95zmox/8g5Vov+x6+ZLc6f38BusenxNVaLy7vmsFnMOL+PyWLR1i/sFq17j7BbtD99yezA 47FpVSebx+Yl9R59W1YxenzeJBfAEsVlk5Kak1mWWqRvl8CVseHWFraCJraK2bd3MzcwPmfp YuTkkBAwkTh54hNzFyMXh5DACkaJZ6susYMkhAS+MEpMXysIYX9mlFh73AWm4VnfSSaIhuWM Eg//f2aBcN4zSjQ+esYKUiUsEC/x9PJxVpCECEj35cnXmEESzAJ3GSUmTMoEsdkEDCW63nax gdi8AnYSv5/eA7uJRUBVYvL7c4wgtqhArETf0gVQNYISJ2c+AavhFDCVmPx4C9RMeYntb+dA 2eISt57MBztPQuASu8SpX22sEHe7SPS/mMcEYQtLvDq+hR3ClpE4PbmHBaKhGeifc2vZIZwe oLObZjBCVFlL3Dn3C+gMDqAVmhLrd+lDhB0lPk2fyQ4SlhDgk7jxVhDiCD6JSdumM0OEeSU6 2oQgqtUkZh1fB7f24IVLzBMYlWYheW0WkndmIXlnFsLeBYwsqxjFU0uLc9NTi43yUsv1ihNz i0vz0vWS83M3MQIT1el/x7/sYNz1J+kQowAHoxIPb8K5n3FCrIllxZW5hxglOJiVRHidzp6O E+JNSaysSi3Kjy8qzUktPsQozcGiJM5rvOhlrJBAemJJanZqakFqEUyWiYNTqoGx+M3O3Yef iGeu/nNb+OIeRT7O/wzes7o6NdymLv2WfKztod0GyffqTPvufGi+tmz5wnJmJu1DGg3Ci3M0 TN8edpBuDbY0zs8yFuvf7lsfqcct31z4x5tru/7hlfOrJPn8Eo0SWE4vsVnQzhviyRea8Oj0 mYhJNYwyzZo9Ac4L7NtjdA5911ZiKc5INNRiLipOBABMNNzbUAMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrEIsWRmVeSWpSXmKPExsVy+t/xu7qyr3/FGUzpU7V4MG8bm8XGGetZ La5/ec5qMf/IOVaL/sevmS3On9/AbrHp8TVWi8u75rBZzDi/j8li0dYv7Bate4+wW7Q/fcns wOOxaVUnm8fmJfUefVtWMXp83iQXwBKlZ1OUX1qSqpCRX1xiqxRtaGGkZ2hpoWdkYqlnaGwe a2VkqqRvZ5OSmpNZllqkb5egl7Hh1ha2gia2itm3dzM3MD5n6WLk5JAQMJF41neSqYuRi0NI YCmjxKSWFUwQCRmJk9MaWCFsYYk/17rYIIreMkrcedjDDJIQFoiXeHr5OCtIQkTgM6PEs8ZN zCAOs8B9RonzbT/ZQaqEBDYzSrxriQex2QQMJbregozi5OAVsJP4/fQe2B0sAqoSk9+fYwSx RQViJb7d2wJVIyhxcuYTsBpOAVOJyY+3gG1mFjCTmLf5IZQtL7H97RwoW1zi1pP5TBMYhWYh aZ+FpGUWkpZZSFoWMLKsYhRJLS3OTc8tNtIrTswtLs1L10vOz93ECIzPbcd+btnB2PUu+BCj AAejEg9vwrmfcUKsiWXFlbmHGCU4mJVEeJ3Ono4T4k1JrKxKLcqPLyrNSS0+xGgK9NxEZinR 5Hxg6sgriTc0NTS3sDQ0NzY3NrNQEuftEDgYIySQnliSmp2aWpBaBNPHxMEp1cBYa1fDfzak 7LfjzLeBvg12WxgTdLff6fSRUTnNZCsjaj85Ma5mW+PBaW2xDLWe1nL3vQ+rz23PLK5M/po7 RdeB7+zy4wdkN7xtLNPX7exW/bX/Z0944uLlh1/c0urmmfk6TXPB9UPfdKvNeX+/XcP7gPXF 1JD393a2ep459p+XY4lBwrOo1VJKLMUZiYZazEXFiQCE89+i5QIAAA== X-CMS-MailID: 20200630073453eucas1p2863681e0f4c0e7b6742fe70816d11ef9 X-Msg-Generator: CA X-RootMTR: 20200629205541eucas1p16e9c5848ed7ac84ca87c045f3a6f928b X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200629205541eucas1p16e9c5848ed7ac84ca87c045f3a6f928b References: <20200629204442.17336-1-krzk@kernel.org> <20200629204442.17336-3-krzk@kernel.org> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sylwester Nawrocki , Chanwoo Choi , Pankaj Dubey , Alim Akhtar , Bartlomiej Zolnierkiewicz Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Krzysztof, On 29.06.2020 22:44, Krzysztof Kozlowski wrote: > AMBA is a bus so name the node with DMA controllers just as "bus" to fix > dtschema warnings like: > > amba: $nodename:0: 'amba' does not match '^(bus|soc|axi|ahb|apb)(@[0-9a-f]+)?$' > > Signed-off-by: Krzysztof Kozlowski Do we really need a separate 'bus' for those DMA controllers? IMHO they are not different from the hw perspective from the other devices available on the SoC. A separate bus is a historical thing, they work fine when moved directly under the 'soc' node. The separate bus only mimics the way Linux organizes its drivers. This comment affects both ARM and ARM64. Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel