From: Patrice Chotard <patrice.chotard@st.com>
Date: Tue, 18 Jul 2017 09:38:43 +0000 (+0200)
Subject: drivers: phy: add generic_phy_valid() method
X-Git-Tag: v2017.09-rc1~32^2~56
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=b94888b4c051126b02770066ce1e7f4ea9a1ced8;p=oweals%2Fu-boot.git

drivers: phy: add generic_phy_valid() method

This allow to check if a PHY has been correctly
initialised and avoid to get access to phy struct.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
---

diff --git a/include/generic-phy.h b/include/generic-phy.h
index 762704c208..58cd2b26a9 100644
--- a/include/generic-phy.h
+++ b/include/generic-phy.h
@@ -220,4 +220,15 @@ int generic_phy_get_by_index(struct udevice *user, int index,
 int generic_phy_get_by_name(struct udevice *user, const char *phy_name,
 			    struct phy *phy);
 
+/**
+ * generic_phy_valid() - check if PHY port is valid
+ *
+ * @phy:	the PHY port to check
+ * @return TRUE if valid, or FALSE
+ */
+static inline bool generic_phy_valid(struct phy *phy)
+{
+	return phy->dev != NULL;
+}
+
 #endif /*__GENERIC_PHY_H */