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| author | Thomas Gleixner <tglx@linutronix.de> | 2015-08-05 23:55:52 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-08-06 00:00:32 +0200 |
| commit | b7edaca4e825fd5d7a6ddce3548cc1f7a7337cf8 (patch) | |
| tree | 221d6c5be36fa3b2133200ebc3e520d4382dca8f /drivers/net/dsa/bcm_sf2.c | |
| parent | x86/apic: Drop local_irq_save/restore in timer callbacks (diff) | |
| parent | Linux 4.2-rc4 (diff) | |
| download | linux-b7edaca4e825fd5d7a6ddce3548cc1f7a7337cf8.tar.xz linux-b7edaca4e825fd5d7a6ddce3548cc1f7a7337cf8.zip | |
Merge branch 'linus' into x86/apic
Pull in upstream changes to avoid conflicts
Diffstat (limited to 'drivers/net/dsa/bcm_sf2.c')
| -rw-r--r-- | drivers/net/dsa/bcm_sf2.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 972982f8bea7..079897b3a955 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -696,9 +696,20 @@ static int bcm_sf2_sw_setup(struct dsa_switch *ds) } /* Include the pseudo-PHY address and the broadcast PHY address to - * divert reads towards our workaround + * divert reads towards our workaround. This is only required for + * 7445D0, since 7445E0 disconnects the internal switch pseudo-PHY such + * that we can use the regular SWITCH_MDIO master controller instead. + * + * By default, DSA initializes ds->phys_mii_mask to ds->phys_port_mask + * to have a 1:1 mapping between Port address and PHY address in order + * to utilize the slave_mii_bus instance to read from Port PHYs. This is + * not what we want here, so we initialize phys_mii_mask 0 to always + * utilize the "master" MDIO bus backed by the "mdio-unimac" driver. */ - ds->phys_mii_mask |= ((1 << BRCM_PSEUDO_PHY_ADDR) | (1 << 0)); + if (of_machine_is_compatible("brcm,bcm7445d0")) + ds->phys_mii_mask |= ((1 << BRCM_PSEUDO_PHY_ADDR) | (1 << 0)); + else + ds->phys_mii_mask = 0; rev = reg_readl(priv, REG_SWITCH_REVISION); priv->hw_params.top_rev = (rev >> SWITCH_TOP_REV_SHIFT) & |