[PATCH 7/8] ARM: shmobile: Marzen: pass platform data to USB PHY device
Sergei Shtylyov
sergei.shtylyov at cogentembedded.com
Fri Apr 5 12:33:39 EDT 2013
Hello.
On 05-04-2013 4:44, Simon Horman wrote:
>> Since we're now going to setup the USBPCTRL0 register using the USB PHY device's
>> platform data, we now need a way to pass those platform data from the board file
>> to the device which is situated in setup-r8a7779.c -- and what I'm suggesting is
>> r8a7779_add_usb_phy_device() that will register USB PHY platform device with the
>> passed platform data using platform_device_register_resndata() call; creating
>> this function involves deletion of 'usb_phy_device' from r8a7779_devices_dt[],
>> so that it will no longer be registered for the generic R8A7779 machine (where
>> we can't provide the platform data anyway), hence EHCI/OHCI drivers will fail
>> to load as well.
>> For the Marzen board, this new function will be called from marzen_init() to
>> register the USB PHY device early enough.
> As per my comment regarding patch 1, I wonder if this could
> be split into an SoC patch and a board patch.
No, that'll break bisection as it will cause the PHY driver to not be
registered after the SoC patch, and hence EHCI/OHCI drivers won't load too.
>> Signed-off-by: Sergei Shtylyov <sergei.shtylyov at cogentembedded.com>
WBR, Sergei
More information about the linux-arm-kernel
mailing list