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at86rf230: interrupt tx with force trx_off 

To abort a TX_ARET_BUSY state it's recommended to switch into TRX_OFF
state by doing STATE_TRX_FORCE_OFF. This patch will do always a TRX_OFF
state change when the transceiver stucks in any state. From TRX_OFF we
can switch to the states which are also possible by TX_ON state.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Alexander Aring 2015-08-27 21:49:18 +02:00 committed by Marcel Holtmann
parent 346ce4bbdd
commit ed4a26b099
1 changed files with 1 additions and 9 deletions
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10
drivers/net/ieee802154/at86rf230.c
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@ -377,14 +377,6 @@ at86rf230_async_read_reg(struct at86rf230_local *lp, const u8 reg,
}
}
static inline u8 at86rf230_state_to_force(u8 state)
{
if (state == STATE_TX_ON)
return STATE_FORCE_TX_ON;
else
return STATE_FORCE_TRX_OFF;
}
static void
at86rf230_async_state_assert(void *context)
{
@ -426,7 +418,7 @@ at86rf230_async_state_assert(void *context)
u8 state = ctx->to_state;
if (lp->tx_retry >= AT86RF2XX_MAX_TX_RETRIES)
state = at86rf230_state_to_force(state);
state = STATE_FORCE_TRX_OFF;
lp->tx_retry++;
at86rf230_async_state_change(lp, ctx, state,