Interrupting reads on the avalon to start writes loses data so remove the cgsem_post in the read code.
diff --git a/driver-avalon.c b/driver-avalon.c
index 752c49f..72a8d4b 100644
--- a/driver-avalon.c
+++ b/driver-avalon.c
@@ -249,12 +249,6 @@ static int avalon_read(struct cgpu_info *avalon, unsigned char *buf,
if (amount < 2)
goto out;
- /* Use the fact that we're reading the status with the buffer to tell
- * the write thread it should send more work without needing to call
- * avalon_buffer_full directly. */
- if (avalon_cts(readbuf[0]))
- cgsem_post(&info->write_sem);
-
/* The first 2 of every 64 bytes are status on FTDIRL */
while (amount > 2) {
cp = amount - 2;