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can: hi311x: do not report txerr and rxerr during bus-off

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[ Upstream commit a22bd630cfff496b270211745536e50e98eb3a45 ]

During bus off, the error count is greater than 255 and can not fit in
a u8.

Fixes: 57e83fb9b7 ("can: hi311x: Add Holt HI-311x CAN driver")
Link: https://lore.kernel.org/all/20220719143550.3681-6-mailhol.vincent@wanadoo.fr
Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Vincent Mailhol 2022-07-19 23:35:43 +09:00 • committed by Greg Kroah-Hartman
commit d20bf7e761
1 changed files with 3 additions and 2 deletions
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5
drivers/net/can/spi/hi311x.c
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@ -670,8 +670,6 @@ static irqreturn_t hi3110_can_ist(int irq, void *dev_id)
txerr = hi3110_read(spi, HI3110_READ_TEC);
rxerr = hi3110_read(spi, HI3110_READ_REC);
cf->data[6] = txerr;
cf->data[7] = rxerr;
tx_state = txerr >= rxerr ? new_state : 0;
rx_state = txerr <= rxerr ? new_state : 0;
can_change_state(net, cf, tx_state, rx_state);
@ -684,6 +682,9 @@ static irqreturn_t hi3110_can_ist(int irq, void *dev_id)
hi3110_hw_sleep(spi);
break;
}
} else {
cf->data[6] = txerr;
cf->data[7] = rxerr;
}
}