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authorMauro Carvalho Chehab <mchehab@osg.samsung.com>2014-09-24 01:38:37 (GMT)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2014-09-24 01:38:37 (GMT)
commit7503795adf7d327a41076e04a25c2cd47c99fac6 (patch)
treebb7f99afb1fece235ec23c108b2d2149048ba8cb
parentaee9cf18e96ed8384a04bd3eda69c7b9e888ee5b (diff)
[media] tc90522: fix compilation on 32 bits
drivers/built-in.o: In function `tc90522t_get_frontend': >> tc90522.c:(.text+0x260b64c): undefined reference to `__divdi3' >> tc90522.c:(.text+0x260b685): undefined reference to `__divdi3' >> tc90522.c:(.text+0x260b6bb): undefined reference to `__divdi3' >> tc90522.c:(.text+0x260b713): undefined reference to `__divdi3' drivers/built-in.o:tc90522.c:(.text+0x260bb64): more undefined references to `__divdi3' follow Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
-rw-r--r--drivers/media/dvb-frontends/tc90522.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/media/dvb-frontends/tc90522.c b/drivers/media/dvb-frontends/tc90522.c
index cdd9808..d9905fb 100644
--- a/drivers/media/dvb-frontends/tc90522.c
+++ b/drivers/media/dvb-frontends/tc90522.c
@@ -28,6 +28,7 @@
*/
#include <linux/kernel.h>
+#include <linux/math64.h>
#include <linux/dvb/frontend.h>
#include "dvb_math.h"
#include "tc90522.h"
@@ -275,7 +276,7 @@ static int tc90522s_get_frontend(struct dvb_frontend *fe)
/* cn = cnr << 3 */
p = int_sqrt(cndat << 16);
p4 = cndat * cndat;
- cn = (-16346LL * p4 * p / 10) >> 35;
+ cn = div64_s64(-16346LL * p4 * p, 10) >> 35;
cn += (14341LL * p4) >> 21;
cn -= (50259LL * cndat * p) >> 23;
cn += (88977LL * cndat) >> 9;
@@ -434,13 +435,13 @@ static int tc90522t_get_frontend(struct dvb_frontend *fe)
p *= 10;
cn = 24772;
- cn += ((43827LL * p) / 10) >> 24;
+ cn += div64_s64(43827LL * p, 10) >> 24;
tmp = p >> 8;
- cn += ((3184LL * tmp * tmp) / 10) >> 32;
+ cn += div64_s64(3184LL * tmp * tmp, 10) >> 32;
tmp = p >> 13;
- cn -= ((128LL * tmp * tmp * tmp) / 10) >> 33;
+ cn -= div64_s64(128LL * tmp * tmp * tmp, 10) >> 33;
tmp = p >> 18;
- cn += ((192LL * tmp * tmp * tmp * tmp) / 1000) >> 24;
+ cn += div64_s64(192LL * tmp * tmp * tmp * tmp, 1000) >> 24;
stats->stat[0].svalue = cn >> 3;
stats->stat[0].scale = FE_SCALE_DECIBEL;

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