[media] siano: use do_div() for 64-bits division (f35d09db) · Commits · 戴 / test

drivers/media/common/siano/smsdvb-main.c

+6 −3

Original line number	Diff line number	Diff line
		@@ -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);