Commit 35c9ab4f authored by Mika Westerberg's avatar Mika Westerberg
Browse files

thunderbolt: Make tb_switch_clx_is_supported() static 



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

Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
parent 92b8f7a1

drivers/thunderbolt/clx.c

+22 −22
Original line number Diff line number Diff line
@@ -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 */

drivers/thunderbolt/tb.h

+0 −1
Original line number Diff line number Diff line
@@ -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);