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[media] siano: use do_div() for 64-bits division

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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>
This commit is contained in:
Mauro Carvalho Chehab 2013-03-22 06:22:45 -03:00
parent d7104bffcf
commit f35d09db0e
1 changed files with 6 additions and 3 deletions
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9
drivers/media/common/siano/smsdvb-main.c
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@ -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);