On 11/26/2013 11:50 AM, Sergei Shtylyov wrote:
> On 25-11-2013 23:39, Daniel Mack wrote:
>
>> It appears not all platforms featuring a musb core need to save the musb
>> core registers at suspend time and restore them on resume.
>
>> The dsps platform does, however. So add a bit in struct
>> musb_hdrc_platform_data to let platforms specify their need of such
>> action being taken.
>
>> Signed-off-by: Daniel Mack <zonque@xxxxxxxxx>
> [...]
>
>> diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h
>> index eb50525..e5a581c 100644
>> --- a/include/linux/usb/musb.h
>> +++ b/include/linux/usb/musb.h
>> @@ -99,6 +99,9 @@ struct musb_hdrc_platform_data {
>> /* MUSB_HOST, MUSB_PERIPHERAL, or MUSB_OTG */
>> u8 mode;
>>
>> + /* should the musb core restore registers after suspend? */
>> + u8 restore_after_suspend:1;
>> +
>
> Better placement seems to be with 'extvbus' field which is also 1-bit --
> that would save space in the structure.
That patch is deprecated, as things are now done unconditionally,
without consulting this flag.
Daniel
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