diff options
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/of_mdio.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c index 7c8c23cc6896..1350fa25cdb0 100644 --- a/drivers/of/of_mdio.c +++ b/drivers/of/of_mdio.c @@ -16,6 +16,7 @@ #include <linux/phy.h> #include <linux/phy_fixed.h> #include <linux/of.h> +#include <linux/of_gpio.h> #include <linux/of_irq.h> #include <linux/of_mdio.h> #include <linux/module.h> @@ -294,6 +295,7 @@ 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; const char *managed; @@ -302,7 +304,7 @@ int of_phy_register_fixed_link(struct device_node *np) if (err == 0) { if (strcmp(managed, "in-band-status") == 0) { /* status is zeroed, namely its .link member */ - phy = fixed_phy_register(PHY_POLL, &status, np); + phy = fixed_phy_register(PHY_POLL, &status, -1, np); return IS_ERR(phy) ? PTR_ERR(phy) : 0; } } @@ -318,8 +320,13 @@ int of_phy_register_fixed_link(struct device_node *np) status.pause = of_property_read_bool(fixed_link_node, "pause"); status.asym_pause = of_property_read_bool(fixed_link_node, "asym-pause"); + link_gpio = of_get_named_gpio_flags(fixed_link_node, + "link-gpios", 0, NULL); of_node_put(fixed_link_node); - phy = fixed_phy_register(PHY_POLL, &status, np); + if (link_gpio == -EPROBE_DEFER) + return -EPROBE_DEFER; + + phy = fixed_phy_register(PHY_POLL, &status, link_gpio, np); return IS_ERR(phy) ? PTR_ERR(phy) : 0; } @@ -331,7 +338,7 @@ int of_phy_register_fixed_link(struct device_node *np) 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, np); + phy = fixed_phy_register(PHY_POLL, &status, -1, np); return IS_ERR(phy) ? PTR_ERR(phy) : 0; } |