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linux/drivers/net/dsa/mv88e6xxx
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Alfred Lee 23d775f12d net: dsa: mv88e6xxx: Wait for EEPROM done before HW reset 
If the switch is reset during active EEPROM transactions, as in
just after an SoC reset after power up, the I2C bus transaction
may be cut short leaving the EEPROM internal I2C state machine
in the wrong state.  When the switch is reset again, the bad
state machine state may result in data being read from the wrong
memory location causing the switch to enter unexpected mode
rendering it inoperational.

Fixes: a3dcb3e7e7 ("net: dsa: mv88e6xxx: Wait for EEPROM done after HW reset")
Signed-off-by: Alfred Lee <l00g33k@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230815001323.24739-1-l00g33k@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-16 20:16:51 -07:00
..
chip.c net: dsa: mv88e6xxx: Wait for EEPROM done before HW reset 2023-08-16 20:16:51 -07:00
chip.h net: dsa: mv88e6xxx: add support for MV88E6071 switch 2023-05-31 09:56:08 +01:00
devlink.c net: devlink: let the core report the driver name instead of the drivers 2022-11-30 21:49:38 -08:00
devlink.h net: dsa: tear down devlink port regions when tearing down the devlink port on error 2021-09-19 13:05:44 +01:00
global1.c net: dsa: mv88e6xxx: Enable PTP receive for mv88e6390 2023-01-16 13:36:57 +00:00
global1.h net: dsa: mv88e6xxx: Enable PTP receive for mv88e6390 2023-01-16 13:36:57 +00:00
global1_atu.c net: dsa: mv88e6xxx: mac-auth/MAB implementation 2023-01-10 11:58:39 +01:00
global1_vtu.c net: dsa: mv88e6xxx: replace VTU violation prints with trace points 2022-12-12 15:01:18 -08:00
global2.c net: dsa: mv88e6xxx: add field to specify internal phys layout 2023-05-30 23:54:33 -07:00
global2.h net: dsa: mv88e6xxx: Reset mv88e6393x force WD event bit 2023-04-02 13:32:37 +01:00
global2_avb.c net: dsa: mv88e6xxx: wait for AVB Busy bit 2019-08-11 21:27:15 -07:00
global2_scratch.c net: dsa: mv88e6xxx: add mv88e6352_g2_scratch_port_has_serdes() 2022-02-03 14:10:35 +00:00
hwtstamp.c net: dsa: Use netif_rx(). 2022-03-04 12:02:19 +00:00
hwtstamp.h net: dsa: no longer clone skb in core driver 2021-04-27 14:10:15 -07:00
Kconfig net: dsa: mv88e6xxx: depend on PTP conditionally 2022-12-26 09:03:44 +00:00
Makefile net: dsa: mv88e6xxx: mac-auth/MAB implementation 2023-01-10 11:58:39 +01:00
phy.c net: dsa: mv88e6xxx: Separate C22 and C45 transactions 2023-01-10 15:53:37 -08:00
phy.h net: dsa: mv88e6xxx: Separate C22 and C45 transactions 2023-01-10 15:53:37 -08:00
port.c net: dsa: mv88e6xxx: implement USXGMII mode for mv88e6393x 2023-06-07 21:26:36 -07:00
port.h net: dsa: mv88e6xxx: add support for MV88E6071 switch 2023-05-31 09:56:08 +01:00
port_hidden.c net: dsa: mv88e6xxx: Fix port_hidden_wait to account for port_base_addr 2022-04-26 12:03:58 +02:00
ptp.c net: dsa: mv88e6xxx: Enable PTP receive for mv88e6390 2023-01-16 13:36:57 +00:00
ptp.h net: dsa: mv88e6xxx: Enable PTP receive for mv88e6390 2023-01-16 13:36:57 +00:00
serdes.c net: dsa: mv88e6xxx: implement USXGMII mode for mv88e6393x 2023-06-07 21:26:36 -07:00
serdes.h net: dsa: mv88e6xxx: implement USXGMII mode for mv88e6393x 2023-06-07 21:26:36 -07:00
smi.c net: dsa: mv88e6xxx: Improve indirect addressing performance 2022-01-31 11:29:12 +00:00
smi.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
switchdev.c net: dsa: mv88e6xxx: mac-auth/MAB implementation 2023-01-10 11:58:39 +01:00
switchdev.h net: dsa: mv88e6xxx: mac-auth/MAB implementation 2023-01-10 11:58:39 +01:00
trace.c net: dsa: mv88e6xxx: replace ATU violation prints with trace points 2022-12-12 15:01:18 -08:00
trace.h net: dsa: mv88e6xxx: replace VTU violation prints with trace points 2022-12-12 15:01:18 -08:00