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net: fec: add Wake-on-LAN support

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Support for Wake-on-LAN using Magic Packet. ENET IP supports sleep mode
in low power status, when system enter suspend status, Magic packet can
wake up system even if all SOC clocks are gate. The patch doing below things:
- flagging the device as a wakeup source for the system, as well as
  its Wake-on-LAN interrupt
- prepare the hardware for entering WoL mode
- add standard ethtool WOL interface
- enable the ENET interrupt to wake us

Tested on i.MX6q/dl sabresd, sabreauto boards, i.MX6SX arm2 boards.

Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nimrod Andy 2014-12-24 17:30:39 +08:00 • committed by David S. Miller
parent 03366a33db
commit de40ed31b3
4 changed files with 99 additions and 10 deletions
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1
include/linux/fec.h
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@ -19,6 +19,7 @@
struct fec_platform_data {
phy_interface_t phy;
unsigned char mac[ETH_ALEN];
void (*sleep_mode_enable)(int enabled);
};
#endif