Neither new design uses ISA bus, nor does any U-Boot codes use these codes. Remove them.
Signed-off-by: Bin Meng bmeng.cn@gmail.com ---
arch/x86/include/asm/io.h | 74 +++++------------------------------------------ 1 file changed, 8 insertions(+), 66 deletions(-)
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index 3156781..a72daf2 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -1,3 +1,10 @@ +/* + * (C) Copyright 2000-2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + #ifndef _ASM_IO_H #define _ASM_IO_H
@@ -118,71 +125,6 @@ #define setbits_8(addr, set) setbits(8, addr, set) #define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set)
-/* - * ISA space is 'always mapped' on a typical x86 system, no need to - * explicitly ioremap() it. The fact that the ISA IO space is mapped - * to PAGE_OFFSET is pure coincidence - it does not mean ISA values - * are physical addresses. The following constant pointer can be - * used as the IO-area pointer (it can be iounmapped as well, so the - * analogy with PCI is quite large): - */ -#define isa_readb(a) readb((a)) -#define isa_readw(a) readw((a)) -#define isa_readl(a) readl((a)) -#define isa_writeb(b,a) writeb(b,(a)) -#define isa_writew(w,a) writew(w,(a)) -#define isa_writel(l,a) writel(l,(a)) -#define isa_memset_io(a,b,c) memset_io((a),(b),(c)) -#define isa_memcpy_fromio(a,b,c) memcpy_fromio((a),(b),(c)) -#define isa_memcpy_toio(a,b,c) memcpy_toio((a),(b),(c)) - - -static inline int check_signature(unsigned long io_addr, - const unsigned char *signature, int length) -{ - int retval = 0; - do { - if (readb(io_addr) != *signature) - goto out; - io_addr++; - signature++; - length--; - } while (length); - retval = 1; -out: - return retval; -} - -/** - * isa_check_signature - find BIOS signatures - * @io_addr: mmio address to check - * @signature: signature block - * @length: length of signature - * - * Perform a signature comparison with the ISA mmio address io_addr. - * Returns 1 on a match. - * - * This function is deprecated. New drivers should use ioremap and - * check_signature. - */ - - -static inline int isa_check_signature(unsigned long io_addr, - const unsigned char *signature, int length) -{ - int retval = 0; - do { - if (isa_readb(io_addr) != *signature) - goto out; - io_addr++; - signature++; - length--; - } while (length); - retval = 1; -out: - return retval; -} - #endif /* __KERNEL__ */
#ifdef SLOW_IO_BY_JUMPING @@ -325,4 +267,4 @@ static inline phys_addr_t virt_to_phys(void * vaddr) #define __iormb() dmb() #define __iowmb() dmb()
-#endif +#endif /* _ASM_IO_H */