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Commit 08eb105a authored by Michael Ellerman's avatar Michael Ellerman
Browse files

powerpc/xmon: Use rtas_call_unlocked() in xmon 



Avoid open coding the logic by using rtas_call_unlocked().

Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 209eb4e5

arch/powerpc/xmon/xmon.c

+6 −10
Original line number Diff line number Diff line
@@ -320,6 +320,7 @@ static inline void disable_surveillance(void) 
#ifdef CONFIG_PPC_PSERIES

	/* Since this can't be a module, args should end up below 4GB. */

	static struct rtas_args args;

	int token;



	/*

	 * At this point we have got all the cpus we can into
@@ -328,17 +329,12 @@ static inline void disable_surveillance(void) 
	 * If we did try to take rtas.lock there would be a

	 * real possibility of deadlock.

	 */

	args.token = rtas_token("set-indicator");

	if (args.token == RTAS_UNKNOWN_SERVICE)

	token = rtas_token("set-indicator");

	if (token == RTAS_UNKNOWN_SERVICE)

		return;

	args.token = cpu_to_be32(args.token);

	args.nargs = cpu_to_be32(3);

	args.nret = cpu_to_be32(1);

	args.rets = &args.args[3];

	args.args[0] = cpu_to_be32(SURVEILLANCE_TOKEN);

	args.args[1] = 0;

	args.args[2] = 0;

	enter_rtas(__pa(&args));



	rtas_call_unlocked(&args, token, 3, 1, NULL, SURVEILLANCE_TOKEN, 0, 0);



#endif /* CONFIG_PPC_PSERIES */

}