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[RFC,7/9] dib8000: Fix the sleep time at the state machine

Message ID 1404316343-23856-8-git-send-email-m.chehab@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Mauro Carvalho Chehab July 2, 2014, 3:52 p.m. UTC 
msleep() is not too precise: its precision depends on the
HZ config. As the driver selects precise timings for the
state machine, change it to usleep_range().

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
---
 drivers/media/dvb-frontends/dib8000.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
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Patch

diff --git a/drivers/media/dvb-frontends/dib8000.c b/drivers/media/dvb-frontends/dib8000.c
index f657cb510bd1..d160a1ed92bb 100644
--- a/drivers/media/dvb-frontends/dib8000.c
+++ b/drivers/media/dvb-frontends/dib8000.c
@@ -3601,10 +3601,10 @@  static int dib8000_set_frontend(struct dvb_frontend *fe)
 			else if ((time_slave != FE_CALLBACK_TIME_NEVER) && (time_slave > time))
 				time = time_slave;
 		}
-		if (time != FE_CALLBACK_TIME_NEVER)
-			msleep(time / 10);
-		else
+		if (time == FE_CALLBACK_TIME_NEVER)
 			break;
+
+		usleep_range(time * 100, (time + 10) * 100);
 		exit_condition = 1;
 		for (index_frontend = 0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
 			if (dib8000_get_tune_state(state->fe[index_frontend]) != CT_AGC_STOP) {