1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* Routines to test for presence/absence of hardware registers: 3*4882a593Smuzhiyun * see arch/m68k/mm/hwtest.c. 4*4882a593Smuzhiyun * -- PMM <pmaydell@chiark.greenend.org.uk> 05/1998 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * Removed __init from decls. We might want them in modules, and 7*4882a593Smuzhiyun * the code is tiny anyway. 16/5/98 pb 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #ifndef __ASM_HWTEST_H 11*4882a593Smuzhiyun #define __ASM_HWTEST_H 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun extern int hwreg_present(volatile void *regp); 14*4882a593Smuzhiyun extern int hwreg_write(volatile void *regp, unsigned short val); 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun #endif 17