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can: ti_hecc: release the mailbox a bit earlier 

Release the mailbox after reading it, so it can be reused a bit earlier.
Since "can: rx-offload: continue on error" all pending message bits are
cleared directly, so remove clearing them in ti_hecc.

Suggested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Jeroen Hofstee <jhofstee@victronenergy.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
alistair/sunxi64-5.4-dsi
Jeroen Hofstee 2019-09-24 18:45:49 +00:00 committed by Marc Kleine-Budde
parent 10f5d55ddc
commit 99383749c2
1 changed files with 3 additions and 2 deletions
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5
drivers/net/can/ti_hecc.c
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@ -530,8 +530,9 @@ static unsigned int ti_hecc_mailbox_read(struct can_rx_offload *offload,
u32 *timestamp, unsigned int mbxno)
{
struct ti_hecc_priv *priv = rx_offload_to_priv(offload);
u32 data;
u32 data, mbx_mask;
mbx_mask = BIT(mbxno);
data = hecc_read_mbx(priv, mbxno, HECC_CANMID);
if (data & HECC_CANMID_IDE)
cf->can_id = (data & CAN_EFF_MASK) | CAN_EFF_FLAG;
@ -551,6 +552,7 @@ static unsigned int ti_hecc_mailbox_read(struct can_rx_offload *offload,
}
*timestamp = hecc_read_stamp(priv, mbxno);
hecc_write(priv, HECC_CANRMP, mbx_mask);
return 1;
}
@ -701,7 +703,6 @@ static irqreturn_t ti_hecc_interrupt(int irq, void *dev_id)
while ((rx_pending = hecc_read(priv, HECC_CANRMP))) {
can_rx_offload_irq_offload_timestamp(&priv->offload,
rx_pending);
hecc_write(priv, HECC_CANRMP, rx_pending);
}
}