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drivers: phy: add generic_phy_valid() method

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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>
This commit is contained in:
Patrice Chotard 2017-07-18 11:38:43 +02:00 committed by Marek Vasut
parent b9688df3cb
commit b94888b4c0
1 changed files with 11 additions and 0 deletions
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11
include/generic-phy.h
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@ -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, int generic_phy_get_by_name(struct udevice *user, const char *phy_name,
struct phy *phy); 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 */ #endif /*__GENERIC_PHY_H */