diff options
| author | Stanley Chang <stanley_chang@realtek.com> | 2023-12-13 06:10:06 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-01-28 04:36:14 +0300 |
| commit | 5de5f1e292e56fe4b8d28923d325f4c16f3766cf (patch) | |
| tree | 6da8c15c3858a20f34183d7f717c8df91ecfbea2 /include | |
| parent | bec7e43b162c58798e6dc30d8e70d1e2318aaf2d (diff) | |
| download | linux-5de5f1e292e56fe4b8d28923d325f4c16f3766cf.tar.xz | |
phy: core: add notify_connect and notify_disconnect callback
In Realtek SoC, the parameter of usb phy is designed to be able to
do dynamic tuning based in the port status. Therefore, add a notify
callback of phy driver when usb connection/disconnection change.
Signed-off-by: Stanley Chang <stanley_chang@realtek.com>
Link: https://lore.kernel.org/r/20231213031203.4911-1-stanley_chang@realtek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/phy/phy.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h index f6d607ef0e80..aa76609ba258 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -122,6 +122,11 @@ struct phy_ops { union phy_configure_opts *opts); int (*reset)(struct phy *phy); int (*calibrate)(struct phy *phy); + + /* notify phy connect status change */ + int (*connect)(struct phy *phy, int port); + int (*disconnect)(struct phy *phy, int port); + void (*release)(struct phy *phy); struct module *owner; }; @@ -243,6 +248,8 @@ static inline enum phy_mode phy_get_mode(struct phy *phy) } int phy_reset(struct phy *phy); int phy_calibrate(struct phy *phy); +int phy_notify_connect(struct phy *phy, int port); +int phy_notify_disconnect(struct phy *phy, int port); static inline int phy_get_bus_width(struct phy *phy) { return phy->attrs.bus_width; @@ -396,6 +403,20 @@ static inline int phy_calibrate(struct phy *phy) return -ENOSYS; } +static inline int phy_notify_connect(struct phy *phy, int index) +{ + if (!phy) + return 0; + return -ENOSYS; +} + +static inline int phy_notify_disconnect(struct phy *phy, int index) +{ + if (!phy) + return 0; + return -ENOSYS; +} + static inline int phy_configure(struct phy *phy, union phy_configure_opts *opts) { |