diff options
| author | Oliver Stäbler <oliver.staebler@bytesatwork.ch> | 2017-11-20 14:45:15 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-16 10:33:47 +0100 |
| commit | a68e3c90dfb169af592849066c43d6e003e61bc4 (patch) | |
| tree | 6d9d99d7a5f060438b864527a7d561b4da3cbbf0 /drivers/net/can | |
| parent | 69b0bf95a51eb4b0890b3979531aed932cf51d7f (diff) | |
can: ti_hecc: Fix napi poll return value for repoll
commit f6c23b174c3c96616514827407769cbcfc8005cf upstream.
After commit d75b1ade567f ("net: less interrupt masking in NAPI") napi
repoll is done only when work_done == budget.
So we need to return budget if there are still packets to receive.
Signed-off-by: Oliver Stäbler <oliver.staebler@bytesatwork.ch>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/can')
| -rw-r--r-- | drivers/net/can/ti_hecc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c index 6749b1829469..4d01d7bc24ef 100644 --- a/drivers/net/can/ti_hecc.c +++ b/drivers/net/can/ti_hecc.c @@ -652,6 +652,9 @@ static int ti_hecc_rx_poll(struct napi_struct *napi, int quota) mbx_mask = hecc_read(priv, HECC_CANMIM); mbx_mask |= HECC_TX_MBOX_MASK; hecc_write(priv, HECC_CANMIM, mbx_mask); + } else { + /* repoll is done only if whole budget is used */ + num_pkts = quota; } return num_pkts; |