tree ad8045f252829df5191f2e722c8141bb76a1e04d
parent 296c786a0d2122b1e47c80ca717d8a8ac36402c1
author Johannes Stezenbach <[EMAIL PROTECTED]> Sat, 10 Sep 2005 03:02:37 -0700
committer Linus Torvalds <[EMAIL PROTECTED]> Sat, 10 Sep 2005 03:57:39 -0700
[PATCH] dvb: frontend: cx24110: clean up timeout handling.
Clean up timeout handling.
Signed-off-by: Johannes Stezenbach <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
drivers/media/dvb/frontends/cx24110.c | 14 +++++++++-----
1 files changed, 9 insertions(+), 5 deletions(-)
diff --git a/drivers/media/dvb/frontends/cx24110.c
b/drivers/media/dvb/frontends/cx24110.c
--- a/drivers/media/dvb/frontends/cx24110.c
+++ b/drivers/media/dvb/frontends/cx24110.c
@@ -387,8 +387,9 @@ static int cx24110_set_voltage (struct d
static int cx24110_diseqc_send_burst(struct dvb_frontend* fe,
fe_sec_mini_cmd_t burst)
{
- int rv, bit, i;
+ int rv, bit;
struct cx24110_state *state = fe->demodulator_priv;
+ unsigned long timeout;
if (burst == SEC_MINI_A)
bit = 0x00;
@@ -403,8 +404,9 @@ static int cx24110_diseqc_send_burst(str
rv = cx24110_readreg(state, 0x76);
cx24110_writereg(state, 0x76, ((rv & 0x90) | 0x40 | bit));
- for (i = 500; i-- > 0 && !(cx24110_readreg(state,0x76)&0x40) ; )
- ; /* wait for LNB ready */
+ timeout = jiffies + msecs_to_jiffies(100);
+ while (!time_after(jiffies, timeout) && !(cx24110_readreg(state, 0x76)
& 0x40))
+ ; /* wait for LNB ready */
return 0;
}
@@ -414,6 +416,7 @@ static int cx24110_send_diseqc_msg(struc
{
int i, rv;
struct cx24110_state *state = fe->demodulator_priv;
+ unsigned long timeout;
for (i = 0; i < cmd->msg_len; i++)
cx24110_writereg(state, 0x79 + i, cmd->msg[i]);
@@ -427,8 +430,9 @@ static int cx24110_send_diseqc_msg(struc
rv = cx24110_readreg(state, 0x76);
cx24110_writereg(state, 0x76, ((rv & 0x90) | 0x40) | ((cmd->msg_len-3)
& 3));
- for (i=100; i-- > 0 && !(cx24110_readreg(state,0x76)&0x40);)
- msleep(1); /* wait for LNB ready */
+ timeout = jiffies + msecs_to_jiffies(100);
+ while (!time_after(jiffies, timeout) && !(cx24110_readreg(state, 0x76)
& 0x40))
+ ; /* wait for LNB ready */
return 0;
}
-
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