openwrt/target/linux/sunxi/patches-3.13/160-2-phy-core-dont-porpaga...

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From 37e3cce7288f7d5c34ae630f16faf48bd3d01c18 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Sun, 5 Jan 2014 22:40:39 +0100
Subject: [PATCH] phy-core: Don't propagate -ENOSUPP from
phy_pm_runtime_get_sync to caller
The phy-core allows phy_init and phy_power_on to be called multiple times,
but before this patch -ENOSUPP from phy_pm_runtime_get_sync would be
propagated to the caller for the 2nd and later calls.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
drivers/phy/phy-core.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index b355553..6c73837 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c
@@ -176,6 +176,8 @@ int phy_init(struct phy *phy)
dev_err(&phy->dev, "phy init failed --> %d\n", ret);
goto out;
}
+ } else {
+ ret = 0; /* Override possible ret == -ENOTSUPP */
}
++phy->init_count;
@@ -232,6 +234,8 @@ int phy_power_on(struct phy *phy)
dev_err(&phy->dev, "phy poweron failed --> %d\n", ret);
goto out;
}
+ } else {
+ ret = 0; /* Override possible ret == -ENOTSUPP */
}
++phy->power_count;
mutex_unlock(&phy->mutex);
--
1.8.5.5