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Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20210521213645.2y5dawkvr6wfaymy@pali> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Tue, 15 Jun 2021 13:42:36 +0200 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.2 at phobos.denx.de X-Virus-Status: Clean Hi, On 22.05.21 г. 0:36 ч., Pali Rohár wrote: > On Friday 21 May 2021 10:44:18 Tom Rini wrote: >> On Wed, May 19, 2021 at 11:52:03AM -0400, Tom Rini wrote: >>> On Wed, May 19, 2021 at 03:27:48PM +0200, Pali Rohár wrote: >>> >>>> On Tuesday 18 May 2021 21:26:40 Tom Rini wrote: >>>>> This board has not been converted to CONFIG_DM_USB by the deadline. >>>>> Remove it. >>>> >>>> I'm very disappointed that you want to remove Nokia N900 from U-Boot. >>>> >>>> I was waiting waiting half of year because other developers did not >>>> react to issues which were introduced and neither to patches which I >>>> sent (+ trying to remind open issues). And also I was waiting another >>>> half of year until other N900 related patches were merged. So the whole >>>> slowdown was not caused by me, why it is taking so long. >>>> >>>> Now there is still one N900 DM related patch waiting for review. I'm >>>> converting code step by step. >>>> >>>> So the ball is not on my side. >>> >>> So, what patch(es) need to be applied to get DM_USB enabled? Thanks. >> >> I don't see any open patches from you that look related to enabling >> DM_USB on the platform. If you want to disable USB on the platform for >> now instead, that's fine too. > I tried to migrate the latest master to DM_USB, but unfortunately the results are pretty much sad - adding OF_CONTROL (which is a prerequisite to have DM_USB IIUC) and OF_BOARD (so binary to be compiled), adds ~100k to the size of the u-boot binary, so it becomes 370284 bytes. Given that we have less than 256k of storage space for the u-boot, the produced binary cannot be used on n900 the same way current (no DM_USB) binary is used. As I see it, there are not much options left - u-boot on N900 is not SPL, so we can't use OF_PLATDATA, which in turn always links libfdt. Also, if I read the code (usb-uclass.c) correctly, enabling DM_USB requires the board to be converted to DT and this is way bigger change. Please advice on how to proceed. > I wanted to look at next DM step -- USB -- after current DM step > watchdog is finished. But patch for watchdog is still waiting for > review: > > http://patchwork.ozlabs.org/project/uboot/patch/20210309201915.16586-1-pali@kernel.org/ > > Due to big chance of diff conflicts between these board patches, I do > not want to have more than one part of code in "in progress" state. Regards, Ivo