[PATCH v4] USB: Fix of_usb_get_dr_mode_by_phy with a shared phy block

Bin Liu b-liu at ti.com
Fri Jun 10 11:34:50 PDT 2016


On Fri, Jun 10, 2016 at 08:27:03PM +0200, Hans de Goede wrote:
> Hi,
> On 10-06-16 17:00, Bin Liu wrote:
> >Hi,
> >
> >On Fri, Jun 10, 2016 at 11:46:25AM +0200, Hans de Goede wrote:
> >>Some SoCs have a single phy-hw-block with multiple phys, this is
> >>modelled by a single phy dts node, so we end up with multiple
> >>controller nodes with a phys property pointing to the phy-node
> >>of the otg-phy.
> >>
> >>Only one of these controllers typically is an otg controller, yet we
> >>were checking the first controller who uses a phy from the block and
> >>then end up looking for a dr_mode property in e.g. the ehci controller.
> >>
> >>This commit fixes this by adding an arg0 parameter to
> >>of_usb_get_dr_mode_by_phy and make of_usb_get_dr_mode_by_phy
> >>check that this matches the phandle args[0] value when looking for
> >>the otg controller.
> >>
> >>Signed-off-by: Hans de Goede <hdegoede at redhat.com>
> >>---
> >>Changes in v2:
> >>-Add a arg0 parameter instead of looking for nodes with a dr_mode property
> >>Changes in v3:
> >>-No changes
> >>Changes in v4:
> >>-When arg0 == -1, use of_parse_phandle instead of of_parse_phandle_with_args
> >> because using of_parse_phandle_with_args breaks phy's which use the usb-phy
> >> bindings instead of the generic phy bindings
> >
> >I would think you'd better send this patch with --in-reply-to to the
> >patch in v3, so whoever picks it can easily pick the whole patch set,
> >especially in this case the set touches multiple modules, and you don't
> >want to resend the other patches.
> Does that mean that you're happy with this patch now ? If so can I have
> your Acked-by please ? Then I'll resend the entire set after that.

Yes, the patch looks good to me, but I am not sure I should 'Acked-by'
since I am not the maintainer of it.

BTY, since we are here, please change the patch 4/4 subject prefix to
'usb: musb: sunxi: ...' when you resend, I noticed it after I Acked-by.


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