anchao commented on code in PR #6518:
URL: https://github.com/apache/incubator-nuttx/pull/6518#discussion_r906660136
##########
drivers/wireless/ieee80211/bcm43xxx/bcmf_sdio.c:
##########
@@ -132,23 +131,96 @@ static struct bcmf_sdio_frame
int bcmf_oob_irq(FAR void *arg)
{
FAR struct bcmf_sdio_dev_s *sbus = (FAR struct bcmf_sdio_dev_s *)arg;
+ int semcount;
if (sbus->ready)
{
/* Signal bmcf thread */
sbus->irq_pending = true;
- nxsem_post(&sbus->thread_signal);
+
+ nxsem_get_value(&sbus->thread_signal, &semcount);
+ if (semcount < 1)
+ {
+ nxsem_post(&sbus->thread_signal);
+ }
}
return OK;
}
-int bcmf_sdio_bus_sleep(FAR struct bcmf_sdio_dev_s *sbus, bool sleep)
+int bcmf_sdio_kso_enable(FAR struct bcmf_sdio_dev_s *sbus, bool enable)
{
- int ret;
+ uint8_t value;
int loops;
+ int ret;
+
+ if (!sbus->ready)
+ {
+ return -EPERM;
+ }
+
+ if (sbus->kso_enable == enable)
+ {
+ return OK;
+ }
+
+ if (enable)
+ {
+ loops = 200;
+ while (--loops > 0)
+ {
+ ret = bcmf_write_reg(sbus, 1, SBSDIO_FUNC1_SLEEPCSR,
+ SBSDIO_FUNC1_SLEEPCSR_KSO_MASK |
+ SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK);
+ if (ret != OK)
+ {
+ wlerr("HT Avail request failed %d\n", ret);
+ return ret;
+ }
+
+ nxsig_usleep(100 * 1000);
+ ret = bcmf_read_reg(sbus, 1, SBSDIO_FUNC1_SLEEPCSR, &value);
+ if (ret != OK)
+ {
+ return ret;
+ }
+
+ if (value & (SBSDIO_FUNC1_SLEEPCSR_KSO_MASK |
+ SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK))
Review Comment:
Done
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