linux-kernel - Re: [GIT PULL]: Generic phy updates for v5.14

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Date:   Wed, 23 Jun 2021 09:42:28 +0200
From:   Sergio Paracuellos <sergio.paracuellos@...il.com>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     Greg KH <gregkh@...uxfoundation.org>,
        Linux Phy <linux-phy@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Kishon Vijay Abraham I <kishon@...com>
Subject: Re: [GIT PULL]: Generic phy updates for v5.14

Hi Vinod,

On Wed, Jun 23, 2021 at 9:35 AM Vinod Koul <vkoul@...nel.org> wrote:
>
> On 23-06-21, 09:29, Sergio Paracuellos wrote:
> > Hi Greg,
> >
> > On Wed, Jun 23, 2021 at 9:21 AM Greg KH <gregkh@...uxfoundation.org> wrote:
> > >
> > > On Wed, Jun 23, 2021 at 11:45:59AM +0530, Vinod Koul wrote:
> > > > Hello Greg,
> > > >
> > > > Please pull to receive Generic phy subsystem updates for v5.14
> > > >
> > > > The following changes since commit 6efb943b8616ec53a5e444193dccf1af9ad627b5:
> > > >
> > > >   Linux 5.13-rc1 (2021-05-09 14:17:44 -0700)
> > > >
> > > > are available in the Git repository at:
> > > >
> > > >   git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy.git tags/phy-for-5.14
> > > >
> > > > for you to fetch changes up to f7eedcb8539ddcbb6fe7791f1b4ccf43f905c72f:
> > > >
> > > >   phy: ti: dm816x: Fix the error handling path in 'dm816x_usb_phy_probe() (2021-06-21 12:04:18 +0530)
> > > >
> > > > ----------------------------------------------------------------
> > > > phy-for-5.14
> > > >
> > > >   - Updates:
> > > >         - Yaml conversion for renesas,rcar-gen3 pcie phy and
> > > >         rockchip-usb-phy bindings
> > > >         - Support for devm_phy_get() taking NULL phy name
> > > >
> > > >   - New support:
> > > >       - PCIe phy for Qualcomm IPQ60xx
> > > >       - PCIe phy for Qualcomm SDX55
> > > >       - USB phy for RK3308
> > > >       - CAN transceivers phy for TI TCAN104x
> > > >         - Innosilicon-based CSI dphy for rockchip
> > >
> > > Why is PHY_MT7621_PCI only y/n?  Shouldn't this be able to be built as a
> > > module?
> > >
> > > The USB phy enables this driver, which now forces me to build it into my
> > > kernel, which does not seem like a wise idea.  I'm not sure which commit
> > > in this series does this, but that isn't a good thing.
> > >
> > > Ah, it's 6eded551cefe ("phy: ralink: Kconfig: convert mt7621-pci-phy
> > > into 'bool'"), why is that needed?  We are working to turn more code
> > > into modules, not force them to be built in, this feels like the wrong
> > > way to go :(
>
> Agree, I should have _not_ picked this, sorry.
>
> I am reverting this commit and sending updated series shortly
>
> > This was turned into bool to automatically be included if CONFIG_PCI_MT7621
> > is set. This should be the only requirement to add this phy driver for
> > real hardware since it has nothing to do if there is no
> > CONFIG_PCI_MT7621. That's why Kconfig is now:
> >
> > depends on (RALINK && OF && PCI_MT7621) || COMPILE_TEST
> > Am I missing something here???
>
> Yes a module can also be added. I think you should select PHY_MT7621_PCI
> in the PCI_MT7621 Kconfig

I see. My bad understanding here, sorry. Thanks for reverting this.

Best regards,
    Sergio Paracuellos
>
> --
> ~Vinod