diff options
| author | Mika Westerberg <mika.westerberg@linux.intel.com> | 2017-06-06 15:25:08 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-09 12:42:42 +0300 |
| commit | 05c242e9e47d210ed6cbef31f2c441fa6ee325c6 (patch) | |
| tree | cba31cc1c745b6f363c3a1cefca3bf90d0e93cec /drivers/thunderbolt | |
| parent | ac6c44de503e51f0eb757e5321724846525cb29f (diff) | |
| download | linux-05c242e9e47d210ed6cbef31f2c441fa6ee325c6.tar.xz | |
thunderbolt: Expose make_header() to other files
We will be using this function in files introduced in subsequent
patches. While there the function is renamed to tb_cfg_make_header()
following tb_cfg_get_route().
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Yehezkel Bernat <yehezkel.bernat@intel.com>
Reviewed-by: Michael Jamet <michael.jamet@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andreas Noever <andreas.noever@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/thunderbolt')
| -rw-r--r-- | drivers/thunderbolt/ctl.c | 19 | ||||
| -rw-r--r-- | drivers/thunderbolt/ctl.h | 11 |
2 files changed, 15 insertions, 15 deletions
diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c index 8352ee8662aa..c6633da582b8 100644 --- a/drivers/thunderbolt/ctl.c +++ b/drivers/thunderbolt/ctl.c @@ -54,17 +54,6 @@ struct tb_ctl { /* utility functions */ -static struct tb_cfg_header make_header(u64 route) -{ - struct tb_cfg_header header = { - .route_hi = route >> 32, - .route_lo = route, - }; - /* check for overflow, route_hi is not 32 bits! */ - WARN_ON(tb_cfg_get_route(&header) != route); - return header; -} - static int check_header(struct ctl_pkg *pkg, u32 len, enum tb_cfg_pkg_type type, u64 route) { @@ -501,7 +490,7 @@ int tb_cfg_error(struct tb_ctl *ctl, u64 route, u32 port, enum tb_cfg_error error) { struct cfg_error_pkg pkg = { - .header = make_header(route), + .header = tb_cfg_make_header(route), .port = port, .error = error, }; @@ -520,7 +509,7 @@ struct tb_cfg_result tb_cfg_reset(struct tb_ctl *ctl, u64 route, int timeout_msec) { int err; - struct cfg_reset_pkg request = { .header = make_header(route) }; + struct cfg_reset_pkg request = { .header = tb_cfg_make_header(route) }; struct tb_cfg_header reply; err = tb_ctl_tx(ctl, &request, sizeof(request), TB_CFG_PKG_RESET); @@ -542,7 +531,7 @@ struct tb_cfg_result tb_cfg_read_raw(struct tb_ctl *ctl, void *buffer, { struct tb_cfg_result res = { 0 }; struct cfg_read_pkg request = { - .header = make_header(route), + .header = tb_cfg_make_header(route), .addr = { .port = port, .space = space, @@ -579,7 +568,7 @@ struct tb_cfg_result tb_cfg_write_raw(struct tb_ctl *ctl, const void *buffer, { struct tb_cfg_result res = { 0 }; struct cfg_write_pkg request = { - .header = make_header(route), + .header = tb_cfg_make_header(route), .addr = { .port = port, .space = space, diff --git a/drivers/thunderbolt/ctl.h b/drivers/thunderbolt/ctl.h index 9812b1c86d4f..914da86ec77d 100644 --- a/drivers/thunderbolt/ctl.h +++ b/drivers/thunderbolt/ctl.h @@ -43,6 +43,17 @@ static inline u64 tb_cfg_get_route(const struct tb_cfg_header *header) return (u64) header->route_hi << 32 | header->route_lo; } +static inline struct tb_cfg_header tb_cfg_make_header(u64 route) +{ + struct tb_cfg_header header = { + .route_hi = route >> 32, + .route_lo = route, + }; + /* check for overflow, route_hi is not 32 bits! */ + WARN_ON(tb_cfg_get_route(&header) != route); + return header; +} + int tb_cfg_error(struct tb_ctl *ctl, u64 route, u32 port, enum tb_cfg_error error); struct tb_cfg_result tb_cfg_reset(struct tb_ctl *ctl, u64 route, |