On 05.03.2012 00:19, Gianluca Gennari wrote:
Il 29/02/2012 22:30, Geert Uytterhoeven ha scritto:
http://kisskb.ellerman.id.au/kisskb/buildresult/5759200/ ERROR:
"__udivdi3" [drivers/media/dvb/frontends/rtl2830.ko] undefined!
I didn't look too deeply into it, but I think it's caused by the
"num /= priv->cfg.xtal" in rtl2830_init() (with num being u64).
Can't it use do_div() instead?
Gr{oetje,eeting}s,
Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 --
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Probably the best solution is to use div_u64.
The following patch fixed the warning on my 32 bit system.
Signed-off-by: Gianluca Gennari<gennarone@xxxxxxxxx>
---
drivers/media/dvb/frontends/rtl2830.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/media/dvb/frontends/rtl2830.c
b/drivers/media/dvb/frontends/rtl2830.c
index f971d94..45196c5 100644
--- a/drivers/media/dvb/frontends/rtl2830.c
+++ b/drivers/media/dvb/frontends/rtl2830.c
@@ -244,7 +244,7 @@ static int rtl2830_init(struct dvb_frontend *fe)
num = priv->cfg.if_dvbt % priv->cfg.xtal;
num *= 0x400000;
- num /= priv->cfg.xtal;
+ num = div_u64(num, priv->cfg.xtal);
num = -num;
if_ctl = num& 0x3fffff;
dbg("%s: if_ctl=%08x", __func__, if_ctl);
Acked-by: Antti Palosaari <crope@xxxxxx>
I have been two weeks on skiing trip and since didn't acked that earlier.
regards
Antti
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