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Minimise the sleep times in avalon read to avoid result loss.

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Con Kolivas 2013-06-21 01:58:18 +10:00
parent b810dea33b
commit e487d3d2f0
1 changed files with 4 additions and 6 deletions
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10
driver-avalon.c
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@ -225,12 +225,11 @@ static bool avalon_decode_nonce(struct thr_info *thr, struct cgpu_info *avalon,
return submit_nonce(thr, work, nonce);
}
/* Wait until the ftdi chip returns a CTS saying we can send more data. The
* status is updated every 40ms. */
/* Wait until the ftdi chip returns a CTS saying we can send more data. */
static void wait_avalon_ready(struct cgpu_info *avalon)
{
while (avalon_buffer_full(avalon)) {
nmsleep(40);
nmsleep(AVALON_READ_TIMEOUT);
}
}
@ -242,10 +241,9 @@ static int avalon_read(struct cgpu_info *avalon, unsigned char *buf,
int err, amount, ofs = 2, cp;
/* If the buffer is ready to take more work, yield once in case the
* write thread is waiting to be scheduled. Keep it under the time
* it would take to fill the entire 512 byte buffer. */
* write thread is waiting to be scheduled. */
if (!avalon_buffer_full(avalon))
nmsleep(32);
nmsleep(AVALON_READ_TIMEOUT);
err = usb_read_once_timeout(avalon, readbuf, readsize, &amount, timeout, ep);
applog(LOG_DEBUG, "%s%i: Get avalon read got err %d",