[PATCH] include/linux/usb/usb_phy_gen_xceiv.h: check built-in or module for swithing usb_nop_xceiv_register() implementation
Chen Gang
gang.chen at asianux.com
Thu Nov 14 20:36:58 EST 2013
On 11/15/2013 02:37 AM, Tony Lindgren wrote:
> * Chen Gang <gang.chen at asianux.com> [131023 02:57]:
>> When CONFIG_NOP_USB_XCEIV is as 'm', usb_nop_xceiv_register() will be
>> exported when the related module is loaded. So for built-in source
>> code, still need use the empty one.
>>
>> Or it will can not pass compiling, the related error (for arm, with
>> allmodconfig):
>>
>> arch/arm/mach-omap2/built-in.o: In function `omap3_evm_init':
>> arch/arm/mach-omap2/board-omap3evm.c:703: undefined reference to `usb_nop_xceiv_register'
>>
>>
>> Signed-off-by: Chen Gang <gang.chen at asianux.com>
>
> Added Felipe to cc, he should probably deal with this one.
>
OK, thank you very much.
And welcome Felipe to help checking, when he has time.
:-)
> Regards,
>
> Tony
>
>> ---
>> include/linux/usb/usb_phy_gen_xceiv.h | 3 ++-
>> 1 files changed, 2 insertions(+), 1 deletions(-)
>>
>> diff --git a/include/linux/usb/usb_phy_gen_xceiv.h b/include/linux/usb/usb_phy_gen_xceiv.h
>> index f9a7e7b..8515958 100644
>> --- a/include/linux/usb/usb_phy_gen_xceiv.h
>> +++ b/include/linux/usb/usb_phy_gen_xceiv.h
>> @@ -12,7 +12,8 @@ struct usb_phy_gen_xceiv_platform_data {
>> unsigned int needs_reset:1;
>> };
>>
>> -#if IS_ENABLED(CONFIG_NOP_USB_XCEIV)
>> +#if IS_BUILTIN(CONFIG_NOP_USB_XCEIV) || \
>> + (IS_MODULE(CONFIG_NOP_USB_XCEIV) && defined(MODULE))
>> /* sometimes transceivers are accessed only through e.g. ULPI */
>> extern void usb_nop_xceiv_register(void);
>> extern void usb_nop_xceiv_unregister(void);
>> --
>> 1.7.7.6
>
>
--
Chen Gang
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