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| author | Oleksij Rempel <o.rempel@pengutronix.de> | 2022-03-16 15:55:29 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-03-18 03:19:16 +0300 |
| commit | 7b6e6235b6641284b28f6a2bbd6b823a2081bd5c (patch) | |
| tree | 6ff785fcd8f60e00175c48a8b6be73dbd68379b3 /drivers/net/dsa/microchip/ksz8795_reg.h | |
| parent | 82e94d4144d7a29e6e955e4b2ea681ed3f16d689 (diff) | |
| download | linux-7b6e6235b6641284b28f6a2bbd6b823a2081bd5c.tar.xz | |
net: dsa: microchip: ksz8795: handle eee specif erratum
According to erratum described in DS80000687C[1]: "Module 2: Link drops with
some EEE link partners.", we need to "Disable the EEE next page
exchange in EEE Global Register 2"
1 - https://ww1.microchip.com/downloads/en/DeviceDoc/KSZ87xx-Errata-DS80000687C.pdf
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20220316125529.1489045-1-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/dsa/microchip/ksz8795_reg.h')
| -rw-r--r-- | drivers/net/dsa/microchip/ksz8795_reg.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/dsa/microchip/ksz8795_reg.h b/drivers/net/dsa/microchip/ksz8795_reg.h index 6b40bc25f7ff..d74defcd86b4 100644 --- a/drivers/net/dsa/microchip/ksz8795_reg.h +++ b/drivers/net/dsa/microchip/ksz8795_reg.h @@ -812,6 +812,10 @@ #define IND_ACC_TABLE(table) ((table) << 8) +/* */ +#define REG_IND_EEE_GLOB2_LO 0x34 +#define REG_IND_EEE_GLOB2_HI 0x35 + /* Driver set switch broadcast storm protection at 10% rate. */ #define BROADCAST_STORM_PROT_RATE 10 |