[U-Boot] [PATCH] dm: usb: Make usb_lowlevel_init set the default ops pointer

Tom Rini trini at konsulko.com
Sat Apr 18 00:43:39 CEST 2015


On Fri, Apr 17, 2015 at 04:38:19PM -0600, Simon Glass wrote:
> Hi Tom.
> 
> On 17 April 2015 at 16:02, Tom Rini <trini at konsulko.com> wrote:
> > On Fri, Apr 17, 2015 at 03:28:30PM -0600, Simon Glass wrote:
> >> Hi Tom,
> >>
> >> On 17 April 2015 at 14:31, Tom Rini <trini at konsulko.com> wrote:
> >> > In order to switch to a set of function pointers for certain operations
> >> > we need to ensure that the defaults are first set so that they can be
> >> > overriden as needed by SoC/board specific code.
> >> >
> >> > Signed-off-by: Tom Rini <trini at konsulko.com>
> >> > ---
> >> >  drivers/usb/host/ehci-hcd.c |   10 +++++++---
> >> >  1 file changed, 7 insertions(+), 3 deletions(-)
> >> >
> >> > diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
> >> > index 79cf3b3..e7c438c 100644
> >> > --- a/drivers/usb/host/ehci-hcd.c
> >> > +++ b/drivers/usb/host/ehci-hcd.c
> >> > @@ -945,9 +945,7 @@ const struct ehci_ops default_ehci_ops = {
> >> >
> >> >  static void ehci_setup_ops(struct ehci_ctrl *ctrl, const struct ehci_ops *ops)
> >> >  {
> >> > -       if (!ops) {
> >> > -               ctrl->ops = default_ehci_ops;
> >> > -       } else {
> >>
> >> Do we need to remove this? I think this will break when driver model
> >> is used, if NULL is passed in to select the default ops.
> >
> > Nope, just cleaning up the code as-is.
> 
> I'm missing something though. For ehci_register() it calls this will
> ops possibly equal to NULL, expecting it to set up the ops.

OK, I missed a case too then, drop this hunk when you squash it in :)

-- 
Tom


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