Re: [PATCH 4/5] netdev/phy: Add driver for Broadcom BCM87XX 10G Ethernet PHYs
From: Joe Perches <joe@perches.com>
Date: 2012-05-22 18:17:45
Also in:
linux-devicetree, linux-mips, lkml
On Tue, 2012-05-22 at 10:59 -0700, David Daney wrote:
From: David Daney <redacted>
trivia:
quoted hunk ↗ jump to hunk
diff --git a/drivers/net/phy/bcm87xx.c b/drivers/net/phy/bcm87xx.c
[]
quoted hunk ↗ jump to hunk
@@ -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++);
...
}