xref: /linux/arch/m68k/include/asm/hwtest.h (revision 498495dba268b20e8eadd7fe93c140c68b6cc9d2)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Routines to test for presence/absence of hardware registers:
3  * see arch/m68k/mm/hwtest.c.
4  *  -- PMM <pmaydell@chiark.greenend.org.uk> 05/1998
5  *
6  * Removed __init from decls.  We might want them in modules, and
7  * the code is tiny anyway.  16/5/98 pb
8  */
9 
10 #ifndef __ASM_HWTEST_H
11 #define __ASM_HWTEST_H
12 
13 extern int hwreg_present(volatile void *regp);
14 extern int hwreg_write(volatile void *regp, unsigned short val);
15 
16 #endif
17