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wct4xxp: Reduce time spent waiting for auth done bit on TE820.

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It is not necessary to wait a full second for the donebit.

Signed-off-by: Shaun Ruffell <sruffell@digium.com>
Acked-by: Russ Meyerriecks <rmeyerriecks@digium.com>

git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@10395 a0bf4364-ded3-4de4-8d8a-66a801d63aff
This commit is contained in:
Shaun Ruffell 2012-01-03 19:25:42 +00:00
parent 892e49c356
commit afe3702873
1 changed files with 11 additions and 9 deletions
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20
drivers/dahdi/wct4xxp/base.c
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@ -4888,19 +4888,21 @@ static int t4_hardware_init_1(struct t4 *wc, unsigned int cardflags)
/* TE820 Auth Check */
if (is_octal(wc)) {
unsigned long stop = jiffies + HZ;
uint32_t donebit;
donebit = t4_pci_in(wc, WC_LEDS2);
t4_pci_out(wc, WC_LEDS2, WC_SET_AUTH);
msleep(1000);
donebit = t4_pci_in(wc, WC_LEDS2);
if (!(donebit & WC_GET_AUTH)) {
/* Encryption check failed, stop operation */
dev_info(&wc->dev->dev, "Failed encryption check. "\
"Unloading driver.\n");
return -EIO;
while (!(donebit & WC_GET_AUTH)) {
if (time_after(jiffies, stop)) {
/* Encryption check failed, stop operation */
dev_info(&wc->dev->dev,
"Failed encryption check. "
"Unloading driver.\n");
return -EIO;
}
msleep(20);
donebit = t4_pci_in(wc, WC_LEDS2);
}
}