From 9c41f2baa90b95c13007fd9617d5a0251b68968b Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Tue, 11 Nov 2014 14:55:12 -0800 Subject: [PATCH] net: phy: bcm7xxx: introduce r_rc_cal_reset helper This function performs a R/RC calibration reset and will start being used by more than one function in the next patches, create a helper function to factor code. Signed-off-by: Florian Fainelli Signed-off-by: David S. Miller --- drivers/net/phy/bcm7xxx.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/net/phy/bcm7xxx.c b/drivers/net/phy/bcm7xxx.c index eb610cb69298..0ac78d0db9b5 100644 --- a/drivers/net/phy/bcm7xxx.c +++ b/drivers/net/phy/bcm7xxx.c @@ -69,6 +69,15 @@ static void phy_write_misc(struct phy_device *phydev, phy_write(phydev, MII_BCM54XX_EXP_DATA, value); } +static void r_rc_cal_reset(struct phy_device *phydev) +{ + /* Reset R_CAL/RC_CAL Engine */ + phy_write_exp(phydev, 0x00b0, 0x0010); + + /* Disable Reset R_AL/RC_CAL Engine */ + phy_write_exp(phydev, 0x00b0, 0x0000); +} + static int bcm7xxx_28nm_b0_afe_config_init(struct phy_device *phydev) { /* Increase VCO range to prevent unlocking problem of PLL at low @@ -90,11 +99,7 @@ static int bcm7xxx_28nm_b0_afe_config_init(struct phy_device *phydev) /* Switch to CORE_BASE1E */ phy_write(phydev, MII_BCM7XXX_CORE_BASE1E, 0xd); - /* Reset R_CAL/RC_CAL Engine */ - phy_write_exp(phydev, CORE_EXPB0, 0x0010); - - /* Disable Reset R_CAL/RC_CAL Engine */ - phy_write_exp(phydev, CORE_EXPB0, 0x0000); + r_rc_cal_reset(phydev); /* write AFE_RXCONFIG_0 */ phy_write_misc(phydev, AFE_RXCONFIG_0, 0xeb19); -- 2.39.5