Re: [PATCH v7 4/7] usb: phy: tegra: Support OTG mode programming

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05.10.2021 00:05, Thierry Reding пишет:
> On Mon, Sep 27, 2021 at 07:36:52PM +0300, Dmitry Osipenko wrote:
>> 12.09.2021 21:17, Dmitry Osipenko пишет:
>>> Support programming USB PHY into OTG mode.
>>>
>>> Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
>>> ---
>>>  drivers/usb/phy/phy-tegra-usb.c   | 198 +++++++++++++++++++++++++++++-
>>>  include/linux/usb/tegra_usb_phy.h |   5 +
>>>  2 files changed, 198 insertions(+), 5 deletions(-)
>>
>> Greg / Felipe, could you please ack this patch to allow Thierry to take
>> this series via the Tegra tree? It depends on the soc/tegra patch of
>> this patchset.
> 
> Looking at the series, I don't think this necessarily needs to go
> through the Tegra tree. Given that you have backwards-compatibility with
> older device trees, applying this separately to the USB tree should work
> fine. Once the soc/tegra and DT bits and the USB bits get combined they
> should enable the new functionality, but nothing should break if things
> are applied separately.
> 
> If so, I can just pick up the rest and let Felipe or Greg pick this one
> up.
> 
> Dmitry, can you confirm that this patch should be applicable separately?
> If so:
> 
> Acked-by: Thierry Reding <treding@xxxxxxxxxx>
> 

This PHY patch has this hunk:

+	phy->pmc_regmap = dev_get_regmap(&pmc_pdev->dev, "usb_sleepwalk");
+	if (!phy->pmc_regmap)
+		return -EINVAL;

If this patch and the DT patches will be applied before the soc/tegra
patch, then USB PHY driver will fail to probe.



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