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| /openbmc/linux/drivers/net/ethernet/arc/ |
| H A D | emac_main.c | 99f93a15 Tue Feb 09 09:20:39 CST 2016 Alexander Kochetkov <al.kochet@gmail.com> net: arc_emac: reset txbd_curr and txbd_dirty pointers to zero
EMAC reset internal tx ring pointer to zero at statup.
txbd_curr and txbd_dirty can be different from zero.
That cause ethernet transfer hang (no packets transmitted).
In order to reproduce, run on device:
ifconfig eth0 down
ifconfig eth0 up
Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
99f93a15 Tue Feb 09 09:20:39 CST 2016 Alexander Kochetkov <al.kochet@gmail.com> net: arc_emac: reset txbd_curr and txbd_dirty pointers to zero
EMAC reset internal tx ring pointer to zero at statup.
txbd_curr and txbd_dirty can be different from zero.
That cause ethernet transfer hang (no packets transmitted).
In order to reproduce, run on device:
ifconfig eth0 down
ifconfig eth0 up
Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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