Commit 752121c7 authored by Max Filippov's avatar Max Filippov
Browse files

xtensa: clean up default platform functions 



Drop _F macro used to define default platform functions and rewrite
definitions as normal functions. Don't define separate __platform_*
function and platform_* weak alias, just define a weak function.

Signed-off-by: default avatarMax Filippov <jcmvbkbc@gmail.com>
parent 7561dfbf

arch/xtensa/kernel/platform.c

+15 −10
Original line number Diff line number Diff line
@@ -17,23 +17,28 @@ 
#include <asm/platform.h>

#include <asm/timex.h>



#define _F(r,f,a,b)							\

	r __platform_##f a b;                                   	\

	r platform_##f a __attribute__((weak, alias("__platform_"#f)))



/*

 * Default functions that are used if no platform specific function is defined.

 * (Please, refer to include/asm-xtensa/platform.h for more information)

 * (Please, refer to arch/xtensa/include/asm/platform.h for more information)

 */



_F(void, init, (bp_tag_t *first), { });

_F(void, setup, (char** cmd), { });

_F(void, idle, (void), { __asm__ __volatile__ ("waiti 0" ::: "memory"); });

void __weak __init platform_init(bp_tag_t *first)

{

}



void __weak __init platform_setup(char **cmd)

{

}



void __weak platform_idle(void)

{

	__asm__ __volatile__ ("waiti 0" ::: "memory");

}



#ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT

_F(void, calibrate_ccount, (void),

void __weak platform_calibrate_ccount(void)

{

	pr_err("ERROR: Cannot calibrate cpu frequency! Assuming 10MHz.\n");

	ccount_freq = 10 * 1000000UL;

});

}

#endif