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can: hi311x: do not report txerr and rxerr during bus-off
[ Upstream commita22bd630cf
] 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>
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1 changed files with 3 additions and 2 deletions
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@ -688,8 +688,6 @@ static irqreturn_t hi3110_can_ist(int irq, void *dev_id)
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txerr = hi3110_read(spi, HI3110_READ_TEC);
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rxerr = hi3110_read(spi, HI3110_READ_REC);
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cf->data[6] = txerr;
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cf->data[7] = rxerr;
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tx_state = txerr >= rxerr ? new_state : 0;
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rx_state = txerr <= rxerr ? new_state : 0;
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can_change_state(net, cf, tx_state, rx_state);
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@ -702,6 +700,9 @@ static irqreturn_t hi3110_can_ist(int irq, void *dev_id)
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hi3110_hw_sleep(spi);
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break;
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}
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} else {
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cf->data[6] = txerr;
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cf->data[7] = rxerr;
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}
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}
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