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Subject[PATCH 13/24] thunderbolt: Expose make_header() to other files
Date
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>
---
drivers/thunderbolt/ctl.c | 19 ++++---------------
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 86902a4d681e..87880dc53199 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)
{
@@ -497,7 +486,7 @@ 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,
};
@@ -516,7 +505,7 @@ 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);
@@ -538,7 +527,7 @@ 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,
@@ -575,7 +564,7 @@ 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,
--
2.11.0
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