Re: [RFC 0/8] usb: phy: msm: various cleanups

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Hi,

Arnd Bergmann <arnd@xxxxxxxx> writes:
> I stumbled over this warning last week, which showed up after I had
> removed an incorrect patch from my randconfig build setup:
>
> drivers/usb/phy/phy-msm-usb.c: In function 'msm_otg_probe':
> drivers/usb/phy/phy-msm-usb.c:1735:14: error: 'regs[0].consumer' may be used uninitialized in this function [-Werror=maybe-uninitialized]
>   motg->vddcx = regs[0].consumer;
>   ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
> drivers/usb/phy/phy-msm-usb.c:1736:14: error: 'regs[1].consumer' may be used uninitialized in this function [-Werror=maybe-uninitialized]
>   motg->v3p3  = regs[1].consumer;
>   ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
> drivers/usb/phy/phy-msm-usb.c:1737:14: error: 'regs[2].consumer' may be used uninitialized in this function [-Werror=maybe-uninitialized]
>   motg->v1p8  = regs[2].consumer;
>   ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
>
> Having already fixed the same problem in the phy-qcom-8x16-usb.c
> driver before, I tried to do the same thing here, but it turned
> out to be somewhat different, and I ended up running into several
> unrelated issues in the driver that I now try to fix up.
>
> The series is not tested beyond verifying that it no longer causes
> randconfig warnings, and some patches are not entirely obvious.
> In particular the ehci-msm and chipidea changes are probably a
> good idea, but they actually change the behavior of the drivers
> in a way that I cannot verify through inspection alone. The
> last patch in the series probably requires some changes to the
> devicetree files to go along with it.
>
> Please have a look and test this, provided the patches make sense
> conceptually.
>
> 	Arnd
>
> Arnd Bergmann (8):
>   usb: phy: move msm_hsusb.h into driver
>   usb: ehci-msm: call usb_phy_init instead of open-coding it
>   usb: chipidea: msm: remove open-coded phy init
>   usb: phy: move TCSR driver into new file
>   usb: phy: msm: move register definitions into driver
>   usb: phy: qcom: use bulk regulator interfaces
>   usb: phy: msm: remove v1p8/v3p3 voltage setting
>   usb: phy: msm: disable regulator for remove()

I managed to apply a few of these. Some didn't apply. If you can rebase
on my testing/next and fix comments, then I can apply the rest.

-- 
balbi

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