diff options
| author | Alan Borzeszkowski <alan.borzeszkowski@linux.intel.com> | 2025-04-14 20:55:52 +0300 |
|---|---|---|
| committer | Mika Westerberg <mika.westerberg@linux.intel.com> | 2025-04-17 12:21:45 +0300 |
| commit | f93b5e24640cdb375d9dc282a244b488ce0d5a07 (patch) | |
| tree | b423da2509c2869a2f2001c832e7912af967eace | |
| parent | 1a760d10ded372d113a0410c42be246315bbc2ff (diff) | |
| download | linux-f93b5e24640cdb375d9dc282a244b488ce0d5a07.tar.xz | |
thunderbolt: Expose usb4_port_index() to other modules
Make usb4_port_index() available to other files in the driver, rename
and add function documentation.
Signed-off-by: Alan Borzeszkowski <alan.borzeszkowski@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
| -rw-r--r-- | drivers/thunderbolt/tb.h | 1 | ||||
| -rw-r--r-- | drivers/thunderbolt/usb4.c | 14 |
2 files changed, 12 insertions, 3 deletions
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h index b54147a1ba87..4e2faa0d5dba 100644 --- a/drivers/thunderbolt/tb.h +++ b/drivers/thunderbolt/tb.h @@ -1468,6 +1468,7 @@ static inline struct usb4_port *tb_to_usb4_port_device(struct device *dev) struct usb4_port *usb4_port_device_add(struct tb_port *port); void usb4_port_device_remove(struct usb4_port *usb4); int usb4_port_device_resume(struct usb4_port *usb4); +int usb4_port_index(const struct tb_switch *sw, const struct tb_port *port); static inline bool usb4_port_device_is_offline(const struct usb4_port *usb4) { diff --git a/drivers/thunderbolt/usb4.c b/drivers/thunderbolt/usb4.c index 3e96f1afd426..fce3c0f2354a 100644 --- a/drivers/thunderbolt/usb4.c +++ b/drivers/thunderbolt/usb4.c @@ -935,7 +935,15 @@ int usb4_switch_dealloc_dp_resource(struct tb_switch *sw, struct tb_port *in) return status ? -EIO : 0; } -static int usb4_port_idx(const struct tb_switch *sw, const struct tb_port *port) +/** + * usb4_port_index() - Finds matching USB4 port index + * @sw: USB4 router + * @port: USB4 protocol or lane adapter + * + * Finds matching USB4 port index (starting from %0) that given @port goes + * through. + */ +int usb4_port_index(const struct tb_switch *sw, const struct tb_port *port) { struct tb_port *p; int usb4_idx = 0; @@ -969,7 +977,7 @@ static int usb4_port_idx(const struct tb_switch *sw, const struct tb_port *port) struct tb_port *usb4_switch_map_pcie_down(struct tb_switch *sw, const struct tb_port *port) { - int usb4_idx = usb4_port_idx(sw, port); + int usb4_idx = usb4_port_index(sw, port); struct tb_port *p; int pcie_idx = 0; @@ -1000,7 +1008,7 @@ struct tb_port *usb4_switch_map_pcie_down(struct tb_switch *sw, struct tb_port *usb4_switch_map_usb3_down(struct tb_switch *sw, const struct tb_port *port) { - int usb4_idx = usb4_port_idx(sw, port); + int usb4_idx = usb4_port_index(sw, port); struct tb_port *p; int usb_idx = 0; |