From: Rajmohan Mani Date: Tue, 17 Dec 2019 12:33:42 +0000 (+0300) Subject: thunderbolt: Make tb_switch_find_cap() available to other files X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=aa43a9dcf7fcb71f34689bc63cdfb3464d2bebbb;p=linux.git thunderbolt: Make tb_switch_find_cap() available to other files We need to find switch capabilities in order to implement TMU support so make it available to other files as well. Signed-off-by: Rajmohan Mani Signed-off-by: Mika Westerberg Link: https://lore.kernel.org/r/20191217123345.31850-7-mika.westerberg@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/thunderbolt/cap.c b/drivers/thunderbolt/cap.c index fdd77bb4628dd..19db6cdc5b70b 100644 --- a/drivers/thunderbolt/cap.c +++ b/drivers/thunderbolt/cap.c @@ -113,7 +113,16 @@ int tb_port_find_cap(struct tb_port *port, enum tb_port_cap cap) return ret; } -static int tb_switch_find_cap(struct tb_switch *sw, enum tb_switch_cap cap) +/** + * tb_switch_find_cap() - Find switch capability + * @sw Switch to find the capability for + * @cap: Capability to look + * + * Returns offset to start of capability or %-ENOENT if no such + * capability was found. Negative errno is returned if there was an + * error. + */ +int tb_switch_find_cap(struct tb_switch *sw, enum tb_switch_cap cap) { int offset = sw->config.first_cap_offset; diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h index 0158f0e9858cc..28dd0e0b15790 100644 --- a/drivers/thunderbolt/tb.h +++ b/drivers/thunderbolt/tb.h @@ -685,6 +685,7 @@ struct tb_port *tb_next_port_on_path(struct tb_port *start, struct tb_port *end, struct tb_port *prev); int tb_switch_find_vse_cap(struct tb_switch *sw, enum tb_switch_vse_cap vsec); +int tb_switch_find_cap(struct tb_switch *sw, enum tb_switch_cap cap); int tb_port_find_cap(struct tb_port *port, enum tb_port_cap cap); bool tb_port_is_enabled(struct tb_port *port);