linux-kernel - Re: [PATCH v3 0/9] Support Runtime PM and host mode by Tegra ChipIdea USB driver

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Date:   Wed, 13 Jan 2021 17:28:19 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Peter Chen <hzpeterchen@...il.com>,
        Peter Chen <peter.chen@....com>,
        Felipe Balbi <balbi@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Alan Stern <stern@...land.harvard.edu>,
        Matt Merhar <mattmerhar@...tonmail.com>,
        Nicolas Chauvet <kwizart@...il.com>,
        Peter Geis <pgwipeout@...il.com>,
        Ion Agorria <ion@...rria.com>,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 0/9] Support Runtime PM and host mode by Tegra ChipIdea
 USB driver

13.01.2021 13:27, Greg Kroah-Hartman пишет:
> On Wed, Jan 13, 2021 at 12:01:51PM +0300, Dmitry Osipenko wrote:
>> 13.01.2021 04:20, Peter Chen пишет:
>>> On 21-01-12 09:56:37, Dmitry Osipenko wrote:
>>>> 29.12.2020 17:26, Dmitry Osipenko пишет:
>>>>> 29.12.2020 08:16, Peter Chen пишет:
>>>>>> On 20-12-18 15:02:37, Dmitry Osipenko wrote:
>>>>>>> This series implements Runtime PM support for the Tegra ChipIdea USB driver.
>>>>>>> It also squashes the older ehci-tegra driver into the ChipIdea driver, hence
>>>>>>> the RPM is supported by both UDC and host controllers, secondly this opens
>>>>>>> opportunity for implementing OTG support in the future.
>>>>>>>
>>>>>>> Patchset was tested on various Tegra20, Tegra30 and Tegra124 devices.
>>>>>>> Thanks to Peter Geis, Matt Merhar, Nicolas Chauvet and Ion Agorria for
>>>>>>> helping with the extensive and productive testing!
>>>>>>>
>>>>>>> Changelog:
>>>>>>>
>>>>>>> v3: - Replaced "goto" with if-statements as was suggested by Thierry Reding.
>>>>>>>
>>>>>>>     - Improved wording of the deprecated Kconfig entry as was suggested
>>>>>>>       by Alan Stern.
>>>>>>>
>>>>>>>     - Added ACKs from Thierry Reding and Alan Stern.
>>>>>>>
>>>>>>>     - Added a new minor patch "Specify TX FIFO threshold in UDC SoC info"
>>>>>>>       just for completeness, since we can now switch OTG to host mode in
>>>>>>>       the ChipIdea driver. Although, OTG support remains a work-in-progress
>>>>>>>       for now.
>>>>>>>
>>>>>>> v2: - Improved comments in the code as it was suggested by Peter Chen and
>>>>>>>       Sergei Shtylyov for v1.
>>>>>>>
>>>>>>>     - Replaced mdelay() with fsleep() and made ci->hdc to reset to NULL in
>>>>>>>       a error code path, like it was suggested by Peter Chen.
>>>>>>>
>>>>>>>     - Redirected deprecated USB_EHCI_TEGRA Kconfig entry to USB_CHIPIDEA_TEGRA
>>>>>>>       as was suggested by Alan Stern.
>>>>>>>
>>>>>>>     - Improved commit message and added ACK from Thierry Reding to the patch
>>>>>>>       that removes MODULE_ALIAS.
>>>>>>>
>>>>>>>     - Fixed UDC PHY waking up on ASUS TF201 tablet device by utilizing
>>>>>>>       additional VBUS sensor. This was reported and tested by Ion Agorria.
>>>>>>>
>>>>>>>     - Added t-b from Ion Agorria.
>>>>>>>
>>>>>>> Dmitry Osipenko (8):
>>>>>>>   usb: phy: tegra: Add delay after power up
>>>>>>>   usb: phy: tegra: Support waking up from a low power mode
>>>>>>>   usb: chipidea: tegra: Remove MODULE_ALIAS
>>>>>>>   usb: chipidea: tegra: Rename UDC to USB
>>>>>>>   usb: chipidea: tegra: Support runtime PM
>>>>>>>   usb: chipidea: tegra: Specify TX FIFO threshold in UDC SoC info
>>>>>>>   usb: host: ehci-tegra: Remove the driver
>>>>>>>   ARM: tegra_defconfig: Enable USB_CHIPIDEA_HOST and remove
>>>>>>>     USB_EHCI_TEGRA
>>>>>>>
>>>>>>> Peter Geis (1):
>>>>>>>   usb: chipidea: tegra: Support host mode
>>>>>>
>>>>>> Chipidea related (patch 3-7) are applied, thanks.
>>>>>
>>>>> Hello Peter,
>>>>>
>>>>> Thank you for applying the patches.
>>>>>
>>>>> Who will apply the remaining patches?
>>>>>
>>>>> The Chipidea patch #6 depends on the PHY changes, otherwise USB will
>>>>> suspend and never resume.
>>>>>
>>>>
>>>> Peter, could you please apply the PHY and defconfig patches along with
>>>> the CI patches to -next? I.e. the whole series. Preferentially in
>>>> original ordering of patches should be preserved.
>>>>
>>>
>>> Hi Dmitry,
>>>
>>> Usually, Greg could apply all USB patches, if I apply other USB related
>>> patches, it may cause conflict with other patches in other's tree.
>>> Greg, free feel to apply this series with 
>>> Acked-by: Peter Chen <peter.chen@...nel.org>
>>> for chipidea part.
>>>
>>> For ARM defconfig patch, I think it should go ARM's tree.
>>>
>>
>> Thank you for the answer!
>>
>> It's not the ARM defconfig, but a local tegra_defconfig. It should be
>> fine to take the patch via the USB tree since Thierry already acked it
>> and asked to do so.
>>
>> Greg, please take this whole series. Thanks in advance!
> 
> All now applied, thanks!

Thank you!