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path: root/drivers/of/of_mdio.c
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Diffstat (limited to 'drivers/of/of_mdio.c')
-rw-r--r--drivers/of/of_mdio.c39
1 files changed, 18 insertions, 21 deletions
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index e0dbd6e48a98..b14a00034fb1 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -421,19 +421,14 @@ int of_phy_register_fixed_link(struct device_node *np)
{
struct fixed_phy_status status = {};
struct device_node *fixed_link_node;
- const __be32 *fixed_link_prop;
- int link_gpio;
- int len, err;
- struct phy_device *phy;
+ u32 fixed_link_prop[5];
const char *managed;
+ int link_gpio = -1;
- err = of_property_read_string(np, "managed", &managed);
- if (err == 0) {
- if (strcmp(managed, "in-band-status") == 0) {
- /* status is zeroed, namely its .link member */
- phy = fixed_phy_register(PHY_POLL, &status, -1, np);
- return PTR_ERR_OR_ZERO(phy);
- }
+ if (of_property_read_string(np, "managed", &managed) == 0 &&
+ strcmp(managed, "in-band-status") == 0) {
+ /* status is zeroed, namely its .link member */
+ goto register_phy;
}
/* New binding */
@@ -456,23 +451,25 @@ int of_phy_register_fixed_link(struct device_node *np)
if (link_gpio == -EPROBE_DEFER)
return -EPROBE_DEFER;
- phy = fixed_phy_register(PHY_POLL, &status, link_gpio, np);
- return PTR_ERR_OR_ZERO(phy);
+ goto register_phy;
}
/* Old binding */
- fixed_link_prop = of_get_property(np, "fixed-link", &len);
- if (fixed_link_prop && len == (5 * sizeof(__be32))) {
+ if (of_property_read_u32_array(np, "fixed-link", fixed_link_prop,
+ ARRAY_SIZE(fixed_link_prop)) == 0) {
status.link = 1;
- status.duplex = be32_to_cpu(fixed_link_prop[1]);
- status.speed = be32_to_cpu(fixed_link_prop[2]);
- status.pause = be32_to_cpu(fixed_link_prop[3]);
- status.asym_pause = be32_to_cpu(fixed_link_prop[4]);
- phy = fixed_phy_register(PHY_POLL, &status, -1, np);
- return PTR_ERR_OR_ZERO(phy);
+ status.duplex = fixed_link_prop[1];
+ status.speed = fixed_link_prop[2];
+ status.pause = fixed_link_prop[3];
+ status.asym_pause = fixed_link_prop[4];
+ goto register_phy;
}
return -ENODEV;
+
+register_phy:
+ return PTR_ERR_OR_ZERO(fixed_phy_register(PHY_POLL, &status, link_gpio,
+ np));
}
EXPORT_SYMBOL(of_phy_register_fixed_link);
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