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can: at91_can: at91_irq_tx(): remove one level of indention

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Improve code readability by removing one level of indention.

If a mailbox is not ready, continue the loop early.

Link: https://lore.kernel.org/all/20231005-at91_can-rx_offload-v2-3-9987d53600e0@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Marc Kleine-Budde 2023-04-23 13:47:40 +02:00
parent e26ccc4658
commit 18c9871474
1 changed files with 8 additions and 9 deletions
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17
drivers/net/can/at91_can.c
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@ -844,15 +844,14 @@ static void at91_irq_tx(struct net_device *dev, u32 reg_sr)
* parked in the echo queue.
*/
reg_msr = at91_read(priv, AT91_MSR(mb));
if (likely(reg_msr & AT91_MSR_MRDY &&
~reg_msr & AT91_MSR_MABT)) {
/* _NOTE_: subtract AT91_MB_TX_FIRST offset from mb! */
dev->stats.tx_bytes +=
can_get_echo_skb(dev,
mb - get_mb_tx_first(priv),
NULL);
dev->stats.tx_packets++;
}
if (unlikely(!(reg_msr & AT91_MSR_MRDY &&
~reg_msr & AT91_MSR_MABT)))
continue;
/* _NOTE_: subtract AT91_MB_TX_FIRST offset from mb! */
dev->stats.tx_bytes +=
can_get_echo_skb(dev, mb - get_mb_tx_first(priv), NULL);
dev->stats.tx_packets++;
}
/* restart queue if we don't have a wrap around but restart if