pkarashchenko commented on code in PR #6518:
URL: https://github.com/apache/incubator-nuttx/pull/6518#discussion_r906661477
##########
drivers/wireless/ieee80211/bcm43xxx/bcmf_sdio.c:
##########
@@ -892,23 +962,44 @@ int bcmf_sdio_thread(int argc, char **argv)
while (true)
{
- /* Wait for event (device interrupt, user request or waitdog timer) */
+ /* Check if RX/TX frames are available */
- ret = nxsem_wait_uninterruptible(&sbus->thread_signal);
- if (ret < 0)
+ if ((sbus->intstatus & I_HMB_FRAME_IND) == 0 &&
+ (sbus->tx_queue.tail == NULL) &&
+ !sbus->irq_pending)
{
- wlerr("Error while waiting for semaphore\n");
- break;
- }
+ /* Wait for event (device interrupt or user request) */
+
+ if (timeout == UINT_MAX)
+ {
+ ret = nxsem_wait_uninterruptible(&sbus->thread_signal);
+ }
+ else
+ {
+ ret = nxsem_tickwait_uninterruptible(&sbus->thread_signal,
+ timeout);
+ }
- /* Restart the waitdog timer */
+ if (ret == -ETIMEDOUT)
+ {
+ /* Turn off clock request. */
+
+ timeout = UINT_MAX;
+ bcmf_sdio_bus_lowpower(sbus, true);
+ continue;
Review Comment:
oops... sorry, missed where the scope ends. I thought that it will drop to
the end of while, but it is end of `if ((sbus->intstatus & I_HMB_FRAME_IND) ==
0 && ...`.
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