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| author |   Marek Vasut <marex@denx.de> | 2019-06-27 23:55:56 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-06-27 19:25:02 -0700 |
| commit | ee353e4534435372f297c9f3e661f76d1e1f7b2b (patch) | |
| tree | d153ca78c45647491c8f39c033b5866c94870831 /drivers/net/dsa/microchip/ksz9477.c | |
| parent | net: dsa: microchip: Replace ksz9477_wait_alu_sta_ready polling with regmap (diff) | |
| download | linux-dev-ee353e4534435372f297c9f3e661f76d1e1f7b2b.tar.xz linux-dev-ee353e4534435372f297c9f3e661f76d1e1f7b2b.zip | |
net: dsa: microchip: Replace bit RMW with regmap
Regmap provides read-modify-write function to update bitfields in
registers. Replace ad-hoc read-modify-write with regmap_update_bits()
where applicable.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Tristram Ha <Tristram.Ha@microchip.com>
Cc: Woojung Huh <Woojung.Huh@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/dsa/microchip/ksz9477.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index bfc44799854c..a8c97f7a79b7 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -197,16 +197,14 @@ static int ksz9477_wait_alu_sta_ready(struct ksz_device *dev) static int ksz9477_reset_switch(struct ksz_device *dev) { u8 data8; - u16 data16; u32 data32; /* reset switch */ ksz_cfg(dev, REG_SW_OPERATION, SW_RESET, true); /* turn off SPI DO Edge select */ - ksz_read8(dev, REG_SW_GLOBAL_SERIAL_CTRL_0, &data8); - data8 &= ~SPI_AUTO_EDGE_DETECTION; - ksz_write8(dev, REG_SW_GLOBAL_SERIAL_CTRL_0, data8); + regmap_update_bits(dev->regmap[0], REG_SW_GLOBAL_SERIAL_CTRL_0, + SPI_AUTO_EDGE_DETECTION, 0); /* default configuration */ ksz_read8(dev, REG_SW_LUE_CTRL_1, &data8); @@ -220,10 +218,10 @@ static int ksz9477_reset_switch(struct ksz_device *dev) ksz_read32(dev, REG_SW_PORT_INT_STATUS__4, &data32); /* set broadcast storm protection 10% rate */ - ksz_read16(dev, REG_SW_MAC_CTRL_2, &data16); - data16 &= ~BROADCAST_STORM_RATE; - data16 |= (BROADCAST_STORM_VALUE * BROADCAST_STORM_PROT_RATE) / 100; - ksz_write16(dev, REG_SW_MAC_CTRL_2, data16); + regmap_update_bits(dev->regmap[1], REG_SW_MAC_CTRL_2, + BROADCAST_STORM_RATE, + (BROADCAST_STORM_VALUE * + BROADCAST_STORM_PROT_RATE) / 100); if (dev->synclko_125) ksz_write8(dev, REG_SW_GLOBAL_OUTPUT_CTRL__1, @@ -485,10 +483,10 @@ static void ksz9477_flush_dyn_mac_table(struct ksz_device *dev, int port) { u8 data; - ksz_read8(dev, REG_SW_LUE_CTRL_2, &data); - data &= ~(SW_FLUSH_OPTION_M << SW_FLUSH_OPTION_S); - data |= (SW_FLUSH_OPTION_DYN_MAC << SW_FLUSH_OPTION_S); - ksz_write8(dev, REG_SW_LUE_CTRL_2, data); + regmap_update_bits(dev->regmap[0], REG_SW_LUE_CTRL_2, + SW_FLUSH_OPTION_M << SW_FLUSH_OPTION_S, + SW_FLUSH_OPTION_DYN_MAC << SW_FLUSH_OPTION_S); + if (port < dev->mib_port_cnt) { /* flush individual port */ ksz_pread8(dev, port, P_STP_CTRL, &data); |