diff options
| author | Arun Ramadoss <arun.ramadoss@microchip.com> | 2022-09-07 12:50:39 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-09-16 21:51:47 +0100 |
| commit | 2c119d9982b1aba54a2eca59c2455cd09f3bc749 (patch) | |
| tree | 37cc4140b6aa110cf4cb76c62c381af20101b65f /drivers/net/dsa/microchip/lan937x_main.c | |
| parent | 862deb68c1bc19783ab7a98ba17a441aa76eba52 (diff) | |
net: dsa: microchip: add the support for set_ageing_time
KSZ9477 has the 11 bit ageing count value which is split across the two
registers. And LAN937x has the 20 bit ageing count which is also split
into two registers. Each count in the registers represents 1 second.
This patch add the support for ageing time for KSZ9477 and LAN937x
series of switch.
Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa/microchip/lan937x_main.c')
| -rw-r--r-- | drivers/net/dsa/microchip/lan937x_main.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/dsa/microchip/lan937x_main.c b/drivers/net/dsa/microchip/lan937x_main.c index 4867aa62dd4c..9b6760b1e572 100644 --- a/drivers/net/dsa/microchip/lan937x_main.c +++ b/drivers/net/dsa/microchip/lan937x_main.c @@ -367,6 +367,23 @@ int lan937x_change_mtu(struct ksz_device *dev, int port, int new_mtu) return 0; } +int lan937x_set_ageing_time(struct ksz_device *dev, unsigned int msecs) +{ + u32 secs = msecs / 1000; + u32 value; + int ret; + + value = FIELD_GET(SW_AGE_PERIOD_7_0_M, secs); + + ret = ksz_write8(dev, REG_SW_AGE_PERIOD__1, value); + if (ret < 0) + return ret; + + value = FIELD_GET(SW_AGE_PERIOD_19_8_M, secs); + + return ksz_write16(dev, REG_SW_AGE_PERIOD__2, value); +} + static void lan937x_set_tune_adj(struct ksz_device *dev, int port, u16 reg, u8 val) { |