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Thu, 12 Sep 2019 06:56:07 +0000 (GMT) X-AuditID: cbfec7f2-54fff70000001175-5f-5d79ec077324 Received: from eusmtip1.samsung.com ( [203.254.199.221]) by eusmgms1.samsung.com (EUCPMTA) with SMTP id E1.EB.04166.70CE97D5; Thu, 12 Sep 2019 07:56:07 +0100 (BST) Received: from [106.120.50.63] (unknown [106.120.50.63]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20190912065606eusmtip11861b3157f5bf44dff9efabafe47586d~Dnn_tg_AT1027410274eusmtip1K; Thu, 12 Sep 2019 06:56:06 +0000 (GMT) Subject: Re: [GIT PULL 1/2] arm64: dts: exynos: Pull for v5.4 To: Krzysztof Kozlowski , Arnd Bergmann From: Marek Szyprowski Message-ID: <39cac04f-684f-ffa5-a5ba-d1734fa00477@samsung.com> Date: Thu, 12 Sep 2019 08:56:05 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Brightmail-Tracker: H4sIAAAAAAAAA01SaUhUYRTtmzfvzXNw7HNUvGkkDFRUNGa2PColoR8DEWT0I0vLKZ8LuTGL qW2mFjZJxoRok2SlZWnmkrmMWeqYa+6l4rSYI6mlJI0Sbpnjw/LfueecyzkXLk2IK0gnOiRc xSrC5aESSsgvrZ9u2yoYi/Hb9s6wm6mfLKGYeW29gMmsayOZFNMPgmlvLxQwxaYekunWZ1BM evtrHtPca6YYU+8ctV8om53RIllx7nVK9iL7sux9YzwpMxevO0weF+4LYENDoliFq6e/MPhb 6oQgMhFHG+f6UBwyWmuQFQ14Bwx3zxMaJKTF+AmCh/oUyiKI8SSC9NaLnGBGMFP2m7+8YTbc JTkhB8GzqQ98bhhHkN2XhCwuO+wBNamdAgu2xzKom73Ks5gIPMEDfbyRZxEo7Aaacc1Sngh7 QmFywuIyTfPxenhT6m6hHbAv5IwN8DmLLTTdGVrCVtgbRpo+LmUR2AXKxjMIDjtC/1DmUhbg ZgE0l1WSXO0D8LazleCwHXxvKBFweC0sVCwvJCD42pYv4IZkBN3x6Yhz7QVDQydpaUfgTVCg d+VoL7iiGeRZaMA20Dduy5WwAW1pGsHRIki6JubcG0DX8PxfbE1HF3ELSXQrTtOtOEe34hzd /9z7iJ+LHFm1MiyIVbqFs+ekSnmYUh0eJD0TEVaMFh+q5U/Dr3I01XW6FmEaSaxF+FO0n5iU RyljwmoR0ITEXjSQuEiJAuQxsawi4pRCHcoqa5EzzZc4is6vGjghxkFyFXuWZSNZxbLKo62c 4pBvT8uRe+7zT3/mO++pmtLlywJdoh8cHB3zqUz2xpIOu12BHtUeM9XSnRPBqscuW0zTyRvV zM2sV/2qevzSkOd5rKDIR1jepU+zW6OivGI/kzfsyQveBdovJyOHH2kdpNtH/Kl5yqsiT2eY mjmadaiosSrBuDA8WDR6+1Klr2m1hK8MlrttJhRK+V8OsPZbTAMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrDIsWRmVeSWpSXmKPExsVy+t/xu7rsbypjDdb2sFsc+7KFzeLvpGPs FvOPnGO16H/8mtni/PkN7BabHl9jtbi8aw6bxYzz+5gsTl3/zGbx+PofNgcuj9+/JjF6bFrV yeaxeUm9x5UTTawenzfJBbBG6dkU5ZeWpCpk5BeX2CpFG1oY6RlaWugZmVjqGRqbx1oZmSrp 29mkpOZklqUW6dsl6GU8m/qBvaBFoOL2nxuMDYy3eboYOTkkBEwkPh+ezdrFyMUhJLCUUeLq 8jNsEAkZiZPTGlghbGGJP9e62CCKXjNKnO9ezwKSEBawlTg49SI7iC0i4CFx5HcrE0gRs8An JolHt6dAdUxlkvjd28cMUsUmYCjR9bYLbAWvgJ3Ehp5mxi5GDg4WAVWJ/duMQcKiAjES26ZO YoUoEZQ4OfMJ2DJOgUCJFyfvMILYzAJmEvM2P2SGsOUltr+dA2WLS9x6Mp9pAqPQLCTts5C0 zELSMgtJywJGllWMIqmlxbnpucWGesWJucWleel6yfm5mxiBMbnt2M/NOxgvbQw+xCjAwajE wytwtyJWiDWxrLgy9xCjBAezkgjvgxagEG9KYmVValF+fFFpTmrxIUZToN8mMkuJJucD00Ve SbyhqaG5haWhubG5sZmFkjhvh8DBGCGB9MSS1OzU1ILUIpg+Jg5OqQbGdDMt7vSXk9dVLak+ ZBvA6COyozVczP2N9dM1m7++udacfLrG99CTFcu0dO/989A32aqbePdSefK/qpmWD89dy/au W+cjq3pvwvbDUt2iLjd5FeI0H69eeuyYoGbfBK/SU9FhS5ZO7Pj7KNw/8oT7vY7XF48YdPlo +Gh+2vFWWD0xLVfxlm2rEktxRqKhFnNRcSIA4Pt9T98CAAA= X-CMS-MailID: 20190912065607eucas1p181db5a82e2979b1fc44d6ab3218d0baa X-Msg-Generator: CA X-RootMTR: 20190912063304epcas2p43dce48bd815124121c65ea47fd2dfc26 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20190912063304epcas2p43dce48bd815124121c65ea47fd2dfc26 References: <20190911183632.4317-1-krzk@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190911_235611_594433_ABF89216 X-CRM114-Status: GOOD ( 15.98 ) 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: DTML , "moderated list:ARM/SAMSUNG EXYNOS ARM ARCHITECTURES" , "linux-kernel@vger.kernel.org" , SoC Team , arm-soc , Kukjin Kim , Olof Johansson , Linux ARM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi On 2019-09-12 08:32, Krzysztof Kozlowski wrote: > On Wed, 11 Sep 2019 at 23:07, Arnd Bergmann wrote: >> On Wed, Sep 11, 2019 at 8:36 PM Krzysztof Kozlowski wrote: >>> Hi, >>> >>> Unfortunately the patches were applied right after closing the linux-next. >> Hi Krzysztof, >> >> I took a look at these and am not convinced this is right: >> >>> 1. Fix boot of Exynos7 due to wrong address/size of memory node, >> The current state is clearly broken and a fix is needed, but >> I'm not sure this is the right fix. Why do you have 32-bit physical >> addressing on a 64-bit chip? I looked at commit ef72171b3621 >> that introduced it, and it seems it would be better to just >> revert back to 64-bit addresses. > We discussed with Marek Szyprowski that either we can go back to > 64-bit addressing or stick to 32. There are not known boards with more > than 4 GB of RAM so from this point of view the choice was irrelevant. > At the end of discussion I mentioned to stick with other arm64 boards > (although not all), so revert to have 64 bit address... but Marek > chosen differently. Since you ask, let's go back with revert. I decided to go with 32bit version to make the fix smaller and easier to backport. If you select revert, make sure that it is applied after moving gpu node under /soc, otherwise the gpu node will have incorrect (32bit) reg property. Also add the gpu related patch as an (optional?) prerequisite for it. >> 2. Move GPU under /soc node, >> No problem >> >>> 3. Minor cleanup of #address-cells. >> IIRC, an interrupt-controller is required to have a #address-cells >> property, even if that is normally zero. I don't remember the >> details, but the gic binding lists it as mandatory, and I think >> the PCI interrupt-map relies on it. I would just drop this patch. > Indeed, binding requires both address and size cells. I'll drop it. Ookay, I wasn't aware of that. 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