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Make avalon_wait_write a bool function and check its return value.

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This commit is contained in:
Con Kolivas 2013-05-25 15:03:02 +10:00
parent 290666a124
commit 674539bddc
1 changed files with 12 additions and 5 deletions
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17
driver-avalon.c
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@ -380,13 +380,17 @@ static void avalon_clear_readbuf(int fd)
/* Wait until the avalon says it's ready to receive a write, or 2 seconds has
* elapsed, whichever comes first. The status is updated by the ftdi device
* every 40ms. */
static void avalon_wait_write(int fd)
* every 40ms. Returns true if the avalon is ready. */
static bool avalon_wait_write(int fd)
{
int i = 0;
bool ret;
while (avalon_buffer_full(fd) && i++ < 40)
nmsleep(50);
do {
ret = avalon_buffer_full(fd);
} while (ret == true && i++ < 40);
return !ret;
}
static void avalon_idle(struct cgpu_info *avalon, int fd)
@ -394,7 +398,10 @@ static void avalon_idle(struct cgpu_info *avalon, int fd)
struct avalon_info *info = avalon->device_data;
int i;
avalon_wait_write(fd);
if (!avalon_wait_write(fd)) {
applog(LOG_WARNING, "Avalon not ready for writes in avalon_idle");
return;
}
for (i = 0; i < info->miner_count; i++) {
struct avalon_task at;