[PATCH] telephony/ixj: use msleep() instead of schedule_timeout()
Replace schedule_timeout() with msleep() to guarantee the task delays as
expected.
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Domen Puncer <domen@coderock.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/telephony/ixj.c b/drivers/telephony/ixj.c
index f2c9fa4..9585d48 100644
--- a/drivers/telephony/ixj.c
+++ b/drivers/telephony/ixj.c
@@ -774,10 +774,7 @@
j->pots_winkstart = jiffies;
SLIC_SetState(PLD_SLIC_STATE_OC, j);
- while (time_before(jiffies, j->pots_winkstart + j->winktime)) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(1);
- }
+ msleep(jiffies_to_msecs(j->winktime));
SLIC_SetState(slicnow, j);
return 0;
@@ -1912,7 +1909,6 @@
static int ixj_hookstate(IXJ *j)
{
- unsigned long det;
int fOffHook = 0;
switch (j->cardtype) {
@@ -1943,11 +1939,7 @@
j->pld_slicr.bits.state == PLD_SLIC_STATE_STANDBY) {
if (j->flags.ringing || j->flags.cringing) {
if (!in_interrupt()) {
- det = jiffies + (hertz / 50);
- while (time_before(jiffies, det)) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(1);
- }
+ msleep(20);
}
SLIC_GetState(j);
if (j->pld_slicr.bits.state == PLD_SLIC_STATE_RINGING) {
@@ -2062,7 +2054,7 @@
static int ixj_ring(IXJ *j)
{
char cntr;
- unsigned long jif, det;
+ unsigned long jif;
j->flags.ringing = 1;
if (ixj_hookstate(j) & 1) {
@@ -2070,7 +2062,6 @@
j->flags.ringing = 0;
return 1;
}
- det = 0;
for (cntr = 0; cntr < j->maxrings; cntr++) {
jif = jiffies + (1 * hertz);
ixj_ring_on(j);
@@ -2089,13 +2080,7 @@
ixj_ring_off(j);
while (time_before(jiffies, jif)) {
if (ixj_hookstate(j) & 1) {
- det = jiffies + (hertz / 100);
- while (time_before(jiffies, det)) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(1);
- if (signal_pending(current))
- break;
- }
+ msleep(10);
if (ixj_hookstate(j) & 1) {
j->flags.ringing = 0;
return 1;
@@ -6694,8 +6679,6 @@
static int ixj_linetest(IXJ *j)
{
- unsigned long jifwait;
-
j->flags.pstncheck = 1; /* Testing */
j->flags.pstn_present = 0; /* Assume the line is not there */
@@ -6726,11 +6709,7 @@
outb_p(j->pld_scrw.byte, j->XILINXbase);
daa_set_mode(j, SOP_PU_CONVERSATION);
- jifwait = jiffies + hertz;
- while (time_before(jiffies, jifwait)) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(1);
- }
+ msleep(1000);
daa_int_read(j);
daa_set_mode(j, SOP_PU_RESET);
if (j->m_DAAShadowRegs.XOP_REGS.XOP.xr0.bitreg.VDD_OK) {
@@ -6750,11 +6729,7 @@
j->pld_slicw.bits.rly3 = 0;
outb_p(j->pld_slicw.byte, j->XILINXbase + 0x01);
daa_set_mode(j, SOP_PU_CONVERSATION);
- jifwait = jiffies + hertz;
- while (time_before(jiffies, jifwait)) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(1);
- }
+ msleep(1000);
daa_int_read(j);
daa_set_mode(j, SOP_PU_RESET);
if (j->m_DAAShadowRegs.XOP_REGS.XOP.xr0.bitreg.VDD_OK) {
@@ -6783,7 +6758,6 @@
static int ixj_selfprobe(IXJ *j)
{
unsigned short cmd;
- unsigned long jif;
int cnt;
BYTES bytes;
@@ -6933,29 +6907,13 @@
} else {
if (j->cardtype == QTI_LINEJACK) {
LED_SetState(0x1, j);
- jif = jiffies + (hertz / 10);
- while (time_before(jiffies, jif)) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(1);
- }
+ msleep(100);
LED_SetState(0x2, j);
- jif = jiffies + (hertz / 10);
- while (time_before(jiffies, jif)) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(1);
- }
+ msleep(100);
LED_SetState(0x4, j);
- jif = jiffies + (hertz / 10);
- while (time_before(jiffies, jif)) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(1);
- }
+ msleep(100);
LED_SetState(0x8, j);
- jif = jiffies + (hertz / 10);
- while (time_before(jiffies, jif)) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(1);
- }
+ msleep(100);
LED_SetState(0x0, j);
daa_get_version(j);
if (ixjdebug & 0x0002)