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SubjectRe: linux-next: build failure after merge of the usb tree
On Mon, Mar 16, 2020 at 12:30:12PM +0100, Thierry Reding wrote:
> On Mon, Mar 16, 2020 at 02:10:04PM +1100, Stephen Rothwell wrote:
> > Hi all,
> >
> > After merging the usb tree, today's linux-next build (arm
> > multi_v7_defconfig) failed like this:
> >
> > drivers/phy/tegra/xusb.c: In function 'tegra_xusb_setup_usb_role_switch':
> > drivers/phy/tegra/xusb.c:641:10: error: initialization of 'int (*)(struct usb_role_switch *, enum usb_role)' from incompatible pointer type 'int (*)(struct device *, enum usb_role)' [-Werror=incompatible-pointer-types]
> > 641 | .set = tegra_xusb_role_sw_set,
> > | ^~~~~~~~~~~~~~~~~~~~~~
> > drivers/phy/tegra/xusb.c:641:10: note: (near initialization for 'role_sx_desc.set')
> >
> > Caused by commit
> >
> > bce3052f0c16 ("usb: roles: Provide the switch drivers handle to the switch in the API")
> >
> > interacting with commit
> >
> > 5a00c7c7604f ("phy: tegra: xusb: Add usb-role-switch support")
> >
> > from the tegra tree.
> >
> > I have added this merge fix patch (which may need more work):
> >
> > From: Stephen Rothwell <sfr@canb.auug.org.au>
> > Date: Mon, 16 Mar 2020 14:04:20 +1100
> > Subject: [PATCH] phy: tegra: fix up for set_role API change
> >
> > Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
> > ---
> > drivers/phy/tegra/xusb.c | 7 ++++---
> > 1 file changed, 4 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c
> > index d907f03bf282..25223c350e66 100644
> > --- a/drivers/phy/tegra/xusb.c
> > +++ b/drivers/phy/tegra/xusb.c
> > @@ -596,11 +596,12 @@ static void tegra_xusb_usb_phy_work(struct work_struct *work)
> > atomic_notifier_call_chain(&port->usb_phy.notifier, 0, &port->usb_phy);
> > }
> >
> > -static int tegra_xusb_role_sw_set(struct device *dev, enum usb_role role)
> > +static int tegra_xusb_role_sw_set(struct usb_role_switch *sw,
> > + enum usb_role role)
> > {
> > - struct tegra_xusb_port *port = dev_get_drvdata(dev);
> > + struct tegra_xusb_port *port = usb_role_switch_get_drvdata(sw);
> >
> > - dev_dbg(dev, "%s(): role %s\n", __func__, usb_roles[role]);
> > + dev_dbg(&port->dev, "%s(): role %s\n", __func__, usb_roles[role]);
> >
> > schedule_work(&port->usb_phy_work);
> >
> > --
> > 2.25.0
>
> I can rebase the branch that contains this commit on top of Greg's USB
> tree. These are a dependency for the UDC and host driver changes that I
> have sent as a pull request to Greg, so this should all work out nicely.

Ok, should I take your pull request then, or not?

> Greg, I recall that you've said in the past that you don't rebase your
> trees. Is that still the case for the USB tree? Do you have a preference
> what to base my branch on? The earliest of your USB tree that contains
> all patches needed to make this compile? Or the latest?

Yes, I do not rebase my tree. Please work off of the usb-next branch,
and you can send me a pull request based anywhere, it should work just
fine :)

thanks,

greg k-h

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