Commit ebc7c1a2 authored by Dmitry Osipenko's avatar Dmitry Osipenko Committed by Thierry Reding
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ARM: trusted_foundations: Provide information about whether firmware is registered



Add a helper that provides information about whether Trusted Foundations
firmware operations have been registered.

Tested-by: default avatarRobert Yang <decatf@gmail.com>
Tested-by: default avatarMichał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: default avatarDmitry Osipenko <digetx@gmail.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 96446e21
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+5 −0
Original line number Diff line number Diff line
@@ -167,3 +167,8 @@ void of_register_trusted_foundations(void)
		panic("Trusted Foundation: missing version-minor property\n");
	register_trusted_foundations(&pdata);
}

bool trusted_foundations_registered(void)
{
	return firmware_ops == &trusted_foundations_ops;
}
+7 −0
Original line number Diff line number Diff line
@@ -31,6 +31,7 @@
#include <linux/of.h>
#include <linux/cpu.h>
#include <linux/smp.h>
#include <linux/types.h>

#include <asm/hardware/cache-l2x0.h>
#include <asm/outercache.h>
@@ -50,6 +51,7 @@ struct trusted_foundations_platform_data {

void register_trusted_foundations(struct trusted_foundations_platform_data *pd);
void of_register_trusted_foundations(void);
bool trusted_foundations_registered(void);

#else /* CONFIG_TRUSTED_FOUNDATIONS */
static inline void tf_dummy_write_sec(unsigned long val, unsigned int reg)
@@ -84,6 +86,11 @@ static inline void of_register_trusted_foundations(void)
	if (of_find_compatible_node(NULL, NULL, "tlm,trusted-foundations"))
		register_trusted_foundations(NULL);
}

static inline bool trusted_foundations_registered(void)
{
	return false;
}
#endif /* CONFIG_TRUSTED_FOUNDATIONS */

#endif