net: phy: bcm54140: apply the workaround on b0 chips (e9a66851) · Commits · 戴 / test

The lower three bits of the phy_id specifies the chip stepping. The workaround is specifically for the B0 stepping. Apply it only on these chips. Signed-off-by:

Michael Walle <michael@walle.cc> Reviewed-by:

Andrew Lunn <andrew@lunn.ch> Reviewed-by:

Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:

David S. Miller <davem@davemloft.net>

drivers/net/phy/bcm54140.c

+8 −3

Original line number	Diff line number	Diff line
		@@ -115,6 +115,9 @@
		#define BCM54140_HWMON_IN_ALARM_BIT(ch) ((ch) ? BCM54140_RDB_MON_ISR_3V3 \
		: BCM54140_RDB_MON_ISR_1V0)

		#define BCM54140_PHY_ID_REV(phy_id) ((phy_id) & 0x7)
		#define BCM54140_REV_B0 1

		#define BCM54140_DEFAULT_DOWNSHIFT 5
		#define BCM54140_MAX_DOWNSHIFT 9

		@@ -632,9 +635,11 @@ static int bcm54140_config_init(struct phy_device *phydev)
		int ret;

		/* Apply hardware errata */
		if (BCM54140_PHY_ID_REV(phydev->phy_id) == BCM54140_REV_B0) {
		ret = bcm54140_b0_workaround(phydev);
		if (ret)
		return ret;
		}

		/* Unmask events we are interested in. */
		reg &= ~(BCM54140_RDB_INT_DUPLEX \|

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