diff options
| author | Michael Krufky <mkrufky@kernellabs.com> | 2009-06-25 12:58:00 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-07-02 16:49:48 -0700 |
| commit | 06b86151ee40240af92301fc9dd9c647237f7491 (patch) | |
| tree | 02227fb374f34447acfcb210b4173f5a1d4f5d98 /drivers/media | |
| parent | be79c33d94badd8e86fdb2254ed7651911e3b435 (diff) | |
DVB: lgdt3305: fix 64bit division in function lgdt3305_set_if
(cherry picked from commit 511da457340d3b30336f7a6731bad9bbe3ffaf08)
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/dvb/frontends/lgdt3305.c | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/drivers/media/dvb/frontends/lgdt3305.c b/drivers/media/dvb/frontends/lgdt3305.c index d92d0557a80..fde8c59700f 100644 --- a/drivers/media/dvb/frontends/lgdt3305.c +++ b/drivers/media/dvb/frontends/lgdt3305.c @@ -19,6 +19,7 @@ * */ +#include <asm/div64.h> #include <linux/dvb/frontend.h> #include "dvb_math.h" #include "lgdt3305.h" @@ -496,27 +497,15 @@ static int lgdt3305_set_if(struct lgdt3305_state *state, nco = if_freq_khz / 10; -#define LGDT3305_64BIT_DIVISION_ENABLED 0 - /* FIXME: 64bit division disabled to avoid linking error: - * WARNING: "__udivdi3" [lgdt3305.ko] undefined! - */ switch (param->u.vsb.modulation) { case VSB_8: -#if LGDT3305_64BIT_DIVISION_ENABLED nco <<= 24; - nco /= 625; -#else - nco *= ((1 << 24) / 625); -#endif + do_div(nco, 625); break; case QAM_64: case QAM_256: -#if LGDT3305_64BIT_DIVISION_ENABLED nco <<= 28; - nco /= 625; -#else - nco *= ((1 << 28) / 625); -#endif + do_div(nco, 625); break; default: return -EINVAL; |