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phy: Add generic_{setup,shutdown}_phy() helpers

Browse source 
In drivers usb/host/{ehci,ohci}-generic.c, {ehci,ohci}_setup_phy() and
{ehci,ohci}_shutdown_phy() shares 95% of common code.
Factorize this code in new generic_{setup,shudown}_phy() functions.

Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Simon Glass <sjg@chromium.org>
This commit is contained in:
Patrice Chotard 2022-09-06 08:15:26 +02:00 committed by Marek Vasut
parent 7cc1af902d
commit 84e561407a
2 changed files with 72 additions and 0 deletions
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42
drivers/phy/phy-uclass.c
View file

@ -455,6 +455,48 @@ int generic_phy_power_off_bulk(struct phy_bulk *bulk)
return ret;
}
int generic_setup_phy(struct udevice *dev, struct phy *phy, int index)
{
int ret = 0;
if (!phy)
return 0;
ret = generic_phy_get_by_index(dev, index, phy);
if (ret) {
if (ret != -ENOENT)
return ret;
} else {
ret = generic_phy_init(phy);
if (ret)
return ret;
ret = generic_phy_power_on(phy);
if (ret)
ret = generic_phy_exit(phy);
}
return ret;
}
int generic_shutdown_phy(struct phy *phy)
{
int ret = 0;
if (!phy)
return 0;
if (generic_phy_valid(phy)) {
ret = generic_phy_power_off(phy);
if (ret)
return ret;
ret = generic_phy_exit(phy);
}
return ret;
}
UCLASS_DRIVER(phy) = {
.id = UCLASS_PHY,
.name = "phy",

30
include/generic-phy.h
View file

@ -342,6 +342,26 @@ int generic_phy_power_on_bulk(struct phy_bulk *bulk);
*/
int generic_phy_power_off_bulk(struct phy_bulk *bulk);
/**
* generic_setup_phy() - Get, initialize and power on phy.
*
* @dev: The consumer device.
* @phy: A pointer to the PHY port
* @index: The index in the list of available PHYs
*
* Return: 0 if OK, or negative error code.
*/
int generic_setup_phy(struct udevice *dev, struct phy *phy, int index);
/**
* generic_shutdown_phy() - Power off and de-initialize phy.
*
* @phy: A pointer to the PHY port.
*
* Return: 0 if OK, or negative error code.
*/
int generic_shutdown_phy(struct phy *phy);
#else /* CONFIG_PHY */
static inline int generic_phy_init(struct phy *phy)
@ -407,6 +427,16 @@ static inline int generic_phy_power_off_bulk(struct phy_bulk *bulk)
return 0;
}
static inline int generic_setup_phy(struct udevice *dev, struct phy *phy, int index)
{
return 0;
}
static inline int generic_shutdown_phy(struct phy *phy)
{
return 0;
}
#endif /* CONFIG_PHY */
/**