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[PATCH] dvb: frontend: cx24110: clean up timeout handling. 

Clean up timeout handling.

Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Johannes Stezenbach 2005-09-09 13:02:37 -07:00 committed by Linus Torvalds
parent 296c786a0d
commit c589ebfce7
1 changed files with 9 additions and 5 deletions
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14
drivers/media/dvb/frontends/cx24110.c
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@ -387,8 +387,9 @@ static int cx24110_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltag
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(struct dvb_frontend* fe, fe_sec_mini_cmd_t
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(struct dvb_frontend* fe,
{
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(struct dvb_frontend* fe,
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;
}