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

Simon Glass sjg at chromium.org
Sat Apr 18 00:45:18 CEST 2015


Hi Tom,

On 17 April 2015 at 16:43, Tom Rini <trini at konsulko.com> wrote:
> 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 :)

Will do. My plan is:

- pull in this patch
- figure out what else broke with the keyboard since my terrible
conflict resolution attempt

Anything else?

Regards,
Simon


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