Messages in this thread Patch in this message | | | Date | Tue, 31 Jul 2012 16:56:21 -0300 | From | Mauro Carvalho Chehab <> | Subject | Re: linux-next: Tree for July 31 (media/radio-tea5777) |
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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 <mchehab@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 <rdunlap@xenotime.net> Cc: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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 <perex@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;
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