On Tue, 2012-05-22 at 10:59 -0700, David Daney wrote: > From: David Daney <david.daney@xxxxxxxxxx> trivia: > diff --git a/drivers/net/phy/bcm87xx.c b/drivers/net/phy/bcm87xx.c [] > @@ -0,0 +1,237 @@ > +static int bcm87xx_of_reg_init(struct phy_device *phydev) > +{ > + const __be32 *paddr; > + int len, i, ret; > + > + if (!phydev->dev.of_node) > + return 0; > + > + paddr = of_get_property(phydev->dev.of_node, > + "broadcom,c45-reg-init", &len); > + if (!paddr || len < (4 * sizeof(*paddr))) > + return 0; > + > + ret = 0; > + len /= sizeof(*paddr); > + for (i = 0; i < len - 3; i += 4) { > + u16 devid = be32_to_cpup(paddr + i); > + u16 reg = be32_to_cpup(paddr + i + 1); > + u16 mask = be32_to_cpup(paddr + i + 2); > + u16 val_bits = be32_to_cpup(paddr + i + 3); > + int val; These might read better as len /= 4; for (i = 0; i < len; i++) { u16 devid = be32_to_cpu(*paddr++); u16 reg = be32_to_cpu(*paddr++); u16 mask = be32_to_cpu(*paddr++); u16 val_bits = be32_to_cpu(*paddr++); ... }