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thunderbolt: Make tb_switch_clx_is_supported() static

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This function is not used outside of clx.c so make it static. No
functional changes.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
This commit is contained in:
Mika Westerberg 2023-08-30 14:45:02 +03:00
parent 92b8f7a1b1
commit 35c9ab4fd6
2 changed files with 22 additions and 23 deletions
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44
drivers/thunderbolt/clx.c
View file

@ -174,6 +174,28 @@ bool tb_port_clx_is_enabled(struct tb_port *port, unsigned int clx)
return !!(tb_port_clx(port) & clx);
}
/**
* tb_switch_clx_is_supported() - Is CLx supported on this type of router
* @sw: The router to check CLx support for
*/
static bool tb_switch_clx_is_supported(const struct tb_switch *sw)
{
if (!clx_enabled)
return false;
if (sw->quirks & QUIRK_NO_CLX)
return false;
/*
* CLx is not enabled and validated on Intel USB4 platforms
* before Alder Lake.
*/
if (tb_switch_is_tiger_lake(sw))
return false;
return tb_switch_is_usb4(sw) || tb_switch_is_titan_ridge(sw);
}
/**
* tb_switch_clx_init() - Initialize router CL states
* @sw: Router
@ -273,28 +295,6 @@ static int tb_switch_mask_clx_objections(struct tb_switch *sw)
sw->cap_lp + offset, ARRAY_SIZE(val));
}
/**
* tb_switch_clx_is_supported() - Is CLx supported on this type of router
* @sw: The router to check CLx support for
*/
bool tb_switch_clx_is_supported(const struct tb_switch *sw)
{
if (!clx_enabled)
return false;
if (sw->quirks & QUIRK_NO_CLX)
return false;
/*
* CLx is not enabled and validated on Intel USB4 platforms
* before Alder Lake.
*/
if (tb_switch_is_tiger_lake(sw))
return false;
return tb_switch_is_usb4(sw) || tb_switch_is_titan_ridge(sw);
}
static bool validate_mask(unsigned int clx)
{
/* Previous states need to be enabled */

1
drivers/thunderbolt/tb.h
View file

@ -1001,7 +1001,6 @@ static inline bool tb_switch_tmu_is_enabled(const struct tb_switch *sw)
bool tb_port_clx_is_enabled(struct tb_port *port, unsigned int clx);
int tb_switch_clx_init(struct tb_switch *sw);
bool tb_switch_clx_is_supported(const struct tb_switch *sw);
int tb_switch_clx_enable(struct tb_switch *sw, unsigned int clx);
int tb_switch_clx_disable(struct tb_switch *sw);