On 07/31/2012 12:56 PM, Mauro Carvalho Chehab wrote:
> Em 31-07-2012 14:22, Randy Dunlap escreveu:
>> drivers/built-in.o: In function `radio_tea5777_set_freq':
>> radio-tea5777.c:(.text+0x4d8704): undefined reference to `__udivdi3'
>>
> The patch below should fix it.
>
> Thanks for reporting it!
>
> Regards,
> Mauro
>
> [media] radio-tea5777: use library for 64bits div
>
> From: Mauro Carvalho Chehab <mche...@redhat.com>
>
> drivers/built-in.o: In function `radio_tea5777_set_freq':
> radio-tea5777.c:(.text+0x4d8704): undefined reference to `__udivdi3'
>
> Reported-by: Randy Dunlap <rdun...@xenotime.net>
> Cc: Hans de Goede <hdego...@redhat.com>
> Signed-off-by: Mauro Carvalho Chehab <mche...@redhat.com>
Acked-by: Randy Dunlap <rdun...@xenotime.net>
Thanks.
>
> diff --git a/drivers/media/radio/radio-tea5777.c
> b/drivers/media/radio/radio-tea5777.c
> index 3e12179..5bc9fa6 100644
> --- a/drivers/media/radio/radio-tea5777.c
> +++ b/drivers/media/radio/radio-tea5777.c
> @@ -33,6 +33,7 @@
> #include <media/v4l2-fh.h>
> #include <media/v4l2-ioctl.h>
> #include <media/v4l2-event.h>
> +#include <asm/div64.h>
> #include "radio-tea5777.h"
>
> MODULE_AUTHOR("Hans de Goede <pe...@perex.cz>");
> @@ -158,10 +159,11 @@ static int radio_tea5777_set_freq(struct radio_tea5777
> *tea)
> int res;
>
> freq = clamp_t(u32, tea->freq,
> - TEA5777_FM_RANGELOW, TEA5777_FM_RANGEHIGH);
> - freq = (freq + 8) / 16; /* to kHz */
> + TEA5777_FM_RANGELOW, TEA5777_FM_RANGEHIGH) + 8;
> + do_div(freq, 16); /* to kHz */
>
> - freq = (freq - TEA5777_FM_IF) / TEA5777_FM_FREQ_STEP;
> + freq -= TEA5777_FM_IF;
> + do_div(freq, TEA5777_FM_FREQ_STEP);
>
> tea->write_reg &= ~(TEA5777_W_FM_PLL_MASK | TEA5777_W_FM_FREF_MASK);
> tea->write_reg |= freq << TEA5777_W_FM_PLL_SHIFT;
>
> --
--
~Randy
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