Re: 2.6.35 and current v4l-dvb - error: implicit declaration of function 'usb_buffer_free'

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Hello,

2010/8/13 Igor M. Liplianin <liplianin@xxxxx>:
> В сообщении от 13 августа 2010 05:19:49 автор Douglas Schilling Landgraf написал:
>> Hello,
>>
>> 2010/8/11 Goga777 <goga777@xxxxx>:
>> > Hi
>> >
>> > I can't compile current v4l-dvb with new 2.6.35 kernel
>> >
>> > arvdr:/usr/src/v4l-dvb# make
>> > make -C /usr/src/v4l-dvb/v4l
>> > make[1]: Entering directory `/usr/src/v4l-dvb/v4l'
>> > creating symbolic links...
>> > make -C firmware prep
>> > make[2]: Entering directory `/usr/src/v4l-dvb/v4l/firmware'
>> > make[2]: Leaving directory `/usr/src/v4l-dvb/v4l/firmware'
>> > make -C firmware
>> > make[2]: Entering directory `/usr/src/v4l-dvb/v4l/firmware'
>> > make[2]: Nothing to be done for `default'.
>> > make[2]: Leaving directory `/usr/src/v4l-dvb/v4l/firmware'
>> > Kernel build directory is /lib/modules/2.6.35-tux/build
>> > make -C /lib/modules/2.6.35-tux/build SUBDIRS=/usr/src/v4l-dvb/v4l
>> >  modules make[2]: Entering directory `/usr/src/linux-2.6.35'
>> >  CC [M]  /usr/src/v4l-dvb/v4l/au0828-video.o
>> > /usr/src/v4l-dvb/v4l/au0828-video.c: In function 'au0828_uninit_isoc':
>> > /usr/src/v4l-dvb/v4l/au0828-video.c:185: error: implicit declaration of
>> > function 'usb_buffer_free' /usr/src/v4l-dvb/v4l/au0828-video.c: In
>> > function 'au0828_init_isoc': /usr/src/v4l-dvb/v4l/au0828-video.c:255:
>> > error: implicit declaration of function 'usb_buffer_alloc'
>> > /usr/src/v4l-dvb/v4l/au0828-video.c:256: warning: assignment makes
>> > pointer from integer without a cast make[3]: ***
>> > [/usr/src/v4l-dvb/v4l/au0828-video.o] Ошибка 1
>> > make[2]: *** [_module_/usr/src/v4l-dvb/v4l] Error 2
>> > make[2]: Leaving directory `/usr/src/linux-2.6.35'
>> > make[1]: *** [default] Ошибка 2
>> > make[1]: Leaving directory `/usr/src/v4l-dvb/v4l'
>> > make: *** [all] Ошибка 2
>>
>> Both functions were renamed in upstream, backport created and
>> commited, please try again.
>>
>> Cheers
>> Douglas
>> --
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> Is it better other way round, to rename all appearances of functions and define a macro?
> Like this:
>
> #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35)
> #define usb_alloc_coherent(a, b, c, d) usb_buffer_alloc(a, b, c, d)
> #define usb_free_coherent(a, b, c, d) usb_buffer_free(a, b, c, d)
> #endif
>
> In the end it will be more similar in code to the last kernel :)

Yes, agreed but all drivers must be renamed with the new function name first.
Otherwise, it will keep breaking. Thanks for looking it.

Cheers
Douglas
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