Re: [PATCH 1/2] r8152: Pass driver_info to REALTEK_USB_DEVICE() macro

From: Kai-Heng Feng
Date: Mon Oct 28 2019 - 05:52:25 EST




> On Oct 28, 2019, at 17:41, Hayes Wang <hayeswang@xxxxxxxxxxx> wrote:
>
> Kai-Heng Feng [mailto:kai.heng.feng@xxxxxxxxxxxxx]
>> Sent: Friday, October 25, 2019 6:59 PM
> [...]
>> -#define REALTEK_USB_DEVICE(vend, prod) \
>> +#define REALTEK_USB_DEVICE(vend, prod, info) \
>> .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
>> USB_DEVICE_ID_MATCH_INT_CLASS, \
>> .idVendor = (vend), \
>> .idProduct = (prod), \
>> - .bInterfaceClass = USB_CLASS_VENDOR_SPEC \
>> + .bInterfaceClass = USB_CLASS_VENDOR_SPEC, \
>> + .driver_info = (info) \
>> }, \
>> { \
>> .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | \
>> @@ -6739,25 +6740,26 @@ static void rtl8152_disconnect(struct
>> usb_interface *intf)
>> .idProduct = (prod), \
>> .bInterfaceClass = USB_CLASS_COMM, \
>> .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \
>> - .bInterfaceProtocol = USB_CDC_PROTO_NONE
>> + .bInterfaceProtocol = USB_CDC_PROTO_NONE, \
>> + .driver_info = (info) \
>
> This part is for ECM mode. Add driver_info here is useless,
> because it is never be used. The driver always changes
> the ECM mode to vendor mode.

Thanks for the explanation.
Since we are going to compare IDs directly in probe(), I'll just drop this patch.

Kai-Heng

>
> Best Regards,
> Hayes
>
>