When the driver waits for a tx completion currently the driver direct
enables the irq. When we switching to RX_AACK_ON some steps afterwards
the driver could receive a new frame and request resources which are
already in use, for example irq state change resource.
To be sure there are no new interrupts when we switching to RX_AACK_ON,
we enable the irq when state change to RX_AACK_ON was completed.
Signed-off-by: Alexander Aring <alex.aring@xxxxxxxxx>
---
drivers/net/ieee802154/at86rf230.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index 8754f15..5dbec64 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -705,6 +705,7 @@ at86rf230_tx_complete(void *context)
struct at86rf230_state_change *ctx = context;
struct at86rf230_local *lp = ctx->lp;
+ enable_irq(lp->spi->irq);
complete(&lp->tx_complete);
}
@@ -860,7 +861,6 @@ at86rf230_irq_trx_end(struct at86rf230_local *lp)
if (lp->is_tx) {
lp->is_tx = 0;
spin_unlock(&lp->lock);
- enable_irq(lp->spi->irq);
if (lp->tx_aret)
return at86rf230_async_state_change(lp, &lp->irq,
--
2.1.2
--
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