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authorMauro Carvalho Chehab <mchehab@redhat.com>2013-03-22 06:22:45 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-03-22 09:46:31 -0300
commitf35d09db0e61009679e41cc5afa2d205b99c3816 (patch)
tree7da8e8eb04b1659f5b0a73e32f7709d35688ff2a /drivers/media/common
parentd7104bffcfb7a1a7f1dbb1274443e339588c2cb3 (diff)
[media] siano: use do_div() for 64-bits division
As reported by Frank Schäfer <fschaefer.oss@googlemail.com>: ERROR: "__divdi3" [drivers/media/common/siano/smsdvb.ko] undefined! Reported-by: Frank Schäfer <fschaefer.oss@googlemail.com> Tested-by: Gianluca Gennari <gennarone@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/common')
-rw-r--r--drivers/media/common/siano/smsdvb-main.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/media/common/siano/smsdvb-main.c b/drivers/media/common/siano/smsdvb-main.c
index d965a7ae5982..297f1b2f9a32 100644
--- a/drivers/media/common/siano/smsdvb-main.c
+++ b/drivers/media/common/siano/smsdvb-main.c
@@ -22,6 +22,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/init.h>
+#include <asm/div64.h>
#include "dmxdev.h"
#include "dvbdev.h"
@@ -244,6 +245,7 @@ static void smsdvb_update_per_slices(struct smsdvb_client_t *client,
{
struct dvb_frontend *fe = &client->frontend;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ u64 tmp;
client->fe_status = sms_to_status(p->is_demod_locked, p->is_rf_locked);
c->modulation = sms_to_modulation(p->constellation);
@@ -272,8 +274,9 @@ static void smsdvb_update_per_slices(struct smsdvb_client_t *client,
c->post_bit_count.stat[0].uvalue += p->ber_bit_count;
/* Legacy PER/BER */
- client->legacy_per = (p->ets_packets * 65535) /
- (p->ts_packets + p->ets_packets);
+ tmp = p->ets_packets * 65535;
+ do_div(tmp, p->ts_packets + p->ets_packets);
+ client->legacy_per = tmp;
}
static void smsdvb_update_dvb_stats(struct smsdvb_client_t *client,
@@ -803,7 +806,7 @@ static int smsdvb_read_snr(struct dvb_frontend *fe, u16 *snr)
rc = smsdvb_send_statistics_request(client);
/* Preferred scale for SNR with legacy API: 0.1 dB */
- *snr = c->cnr.stat[0].svalue / 100;
+ *snr = ((u32)c->cnr.stat[0].svalue) / 100;
led_feedback(client);