diff options
author | Matthew Wilcox <matthew@wil.cx> | 2006-10-11 12:22:02 +0400 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-11 22:14:23 +0400 |
commit | e50190a8341485b413f599033cb74649f849d939 (patch) | |
tree | c45e165f8167dd95f3b5d4163433b91c8b7afd55 /include | |
parent | 53d5ed627df852ba8bab7f70df25290bd733792c (diff) | |
download | linux-e50190a8341485b413f599033cb74649f849d939.tar.xz |
[PATCH] Consolidate check_signature
There's nothing arch-specific about check_signature(), so move it to
<linux/io.h>. Use a cross between the Alpha and i386 implementations as
the generic one.
Signed-off-by: Matthew Wilcox <willy@parisc-linux.org>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
-rw-r--r-- | include/asm-alpha/io.h | 13 | ||||
-rw-r--r-- | include/asm-arm/io.h | 17 | ||||
-rw-r--r-- | include/asm-frv/io.h | 21 | ||||
-rw-r--r-- | include/asm-i386/io.h | 27 | ||||
-rw-r--r-- | include/asm-m32r/io.h | 32 | ||||
-rw-r--r-- | include/asm-mips/io.h | 26 | ||||
-rw-r--r-- | include/asm-powerpc/io.h | 26 | ||||
-rw-r--r-- | include/asm-ppc/io.h | 16 | ||||
-rw-r--r-- | include/asm-sh/io.h | 16 | ||||
-rw-r--r-- | include/asm-sh64/io.h | 16 | ||||
-rw-r--r-- | include/asm-sparc64/io.h | 15 | ||||
-rw-r--r-- | include/asm-x86_64/io.h | 27 | ||||
-rw-r--r-- | include/linux/io.h | 27 |
13 files changed, 27 insertions, 252 deletions
diff --git a/include/asm-alpha/io.h b/include/asm-alpha/io.h index f5ae98c25d1f..5d15af24573b 100644 --- a/include/asm-alpha/io.h +++ b/include/asm-alpha/io.h @@ -533,19 +533,6 @@ extern void outsl (unsigned long port, const void *src, unsigned long count); #define eth_io_copy_and_sum(skb,src,len,unused) \ memcpy_fromio((skb)->data,src,len) -static inline int -check_signature(const volatile void __iomem *io_addr, - const unsigned char *signature, int length) -{ - do { - if (readb(io_addr) != *signature) - return 0; - io_addr++; - signature++; - } while (--length); - return 1; -} - /* * The Alpha Jensen hardware for some rather strange reason puts * the RTC clock at 0x170 instead of 0x70. Probably due to some diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h index 34aaaac4f617..ae999fd5dc67 100644 --- a/include/asm-arm/io.h +++ b/include/asm-arm/io.h @@ -193,23 +193,6 @@ extern void _memset_io(volatile void __iomem *, int, size_t); #define eth_io_copy_and_sum(s,c,l,b) \ eth_copy_and_sum((s),__mem_pci(c),(l),(b)) -static inline int -check_signature(void __iomem *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; -} - #elif !defined(readb) #define readb(c) (__readwrite_bug("readb"),0) diff --git a/include/asm-frv/io.h b/include/asm-frv/io.h index 7765f5528894..20e44fe00abf 100644 --- a/include/asm-frv/io.h +++ b/include/asm-frv/io.h @@ -385,27 +385,6 @@ static inline void pci_iounmap(struct pci_dev *dev, void __iomem *p) */ #define xlate_dev_kmem_ptr(p) p -/* - * Check BIOS signature - */ -static inline int check_signature(volatile void __iomem *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; -} - #endif /* __KERNEL__ */ #endif /* _ASM_IO_H */ diff --git a/include/asm-i386/io.h b/include/asm-i386/io.h index b3724fe93ff1..68df0dc3ab8f 100644 --- a/include/asm-i386/io.h +++ b/include/asm-i386/io.h @@ -224,33 +224,6 @@ static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int #define eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),(void __force *)(b),(c),(d)) -/** - * check_signature - find BIOS signatures - * @io_addr: mmio address to check - * @signature: signature block - * @length: length of signature - * - * Perform a signature comparison with the mmio address io_addr. This - * address should have been obtained by ioremap. - * Returns 1 on a match. - */ - -static inline int check_signature(volatile void __iomem * 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; -} - /* * Cache management * diff --git a/include/asm-m32r/io.h b/include/asm-m32r/io.h index 70ad1c949c2b..d06933bd6318 100644 --- a/include/asm-m32r/io.h +++ b/include/asm-m32r/io.h @@ -166,38 +166,6 @@ static inline void _writel(unsigned long l, unsigned long addr) #define flush_write_buffers() do { } while (0) /* M32R_FIXME */ -/** - * 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 check_signature(void __iomem *io_addr, - const unsigned char *signature, int length) -{ - int retval = 0; -#if 0 -printk("check_signature\n"); - do { - if (readb(io_addr) != *signature) - goto out; - io_addr++; - signature++; - length--; - } while (length); - retval = 1; -out: -#endif - return retval; -} - static inline void memset_io(volatile void __iomem *addr, unsigned char val, int count) { diff --git a/include/asm-mips/io.h b/include/asm-mips/io.h index df624e1ee6e2..c2d124badbe5 100644 --- a/include/asm-mips/io.h +++ b/include/asm-mips/io.h @@ -562,32 +562,6 @@ extern void pci_iounmap(struct pci_dev *dev, void __iomem *); #define eth_io_copy_and_sum(skb,src,len,unused) memcpy_fromio((skb)->data,(src),(len)) /* - * check_signature - find BIOS signatures - * @io_addr: mmio address to check - * @signature: signature block - * @length: length of signature - * - * Perform a signature comparison with the mmio address io_addr. This - * address should have been obtained by ioremap. - * Returns 1 on a match. - */ -static inline int check_signature(char __iomem *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; -} - -/* * The caches on some architectures aren't dma-coherent and have need to * handle this in software. There are three types of operations that * can be applied to dma buffers. diff --git a/include/asm-powerpc/io.h b/include/asm-powerpc/io.h index cbbd8c648df1..3baff8b0fd5a 100644 --- a/include/asm-powerpc/io.h +++ b/include/asm-powerpc/io.h @@ -404,32 +404,6 @@ static inline void __out_be64(volatile unsigned long __iomem *addr, unsigned lon #include <asm/eeh.h> -/** - * check_signature - find BIOS signatures - * @io_addr: mmio address to check - * @signature: signature block - * @length: length of signature - * - * Perform a signature comparison with the mmio address io_addr. This - * address should have been obtained by ioremap. - * Returns 1 on a match. - */ -static inline int check_signature(const volatile void __iomem * 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; -} - /* Nothing to do */ #define dma_cache_inv(_start,_size) do { } while (0) diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h index 3d9a9e6f3321..a4c411b753ef 100644 --- a/include/asm-ppc/io.h +++ b/include/asm-ppc/io.h @@ -439,22 +439,6 @@ extern inline void * phys_to_virt(unsigned long address) #define iobarrier_r() eieio() #define iobarrier_w() eieio() -static inline int check_signature(volatile void __iomem * 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; -} - /* * Here comes the ppc implementation of the IOMAP * interfaces. diff --git a/include/asm-sh/io.h b/include/asm-sh/io.h index ed12d38e8c00..a0e55b09e4fd 100644 --- a/include/asm-sh/io.h +++ b/include/asm-sh/io.h @@ -304,22 +304,6 @@ __ioremap_mode(unsigned long offset, unsigned long size, unsigned long flags) #define iounmap(addr) \ __iounmap((addr)) -static inline int check_signature(char __iomem *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; -} - /* * The caches on some architectures aren't dma-coherent and have need to * handle this in software. There are three types of operations that diff --git a/include/asm-sh64/io.h b/include/asm-sh64/io.h index 252fedbb6621..14d8e7b4bf4b 100644 --- a/include/asm-sh64/io.h +++ b/include/asm-sh64/io.h @@ -178,22 +178,6 @@ extern void iounmap(void *addr); unsigned long onchip_remap(unsigned long addr, unsigned long size, const char* name); extern void onchip_unmap(unsigned long vaddr); -static __inline__ int check_signature(volatile void __iomem *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; -} - /* * The caches on some architectures aren't dma-coherent and have need to * handle this in software. There are three types of operations that diff --git a/include/asm-sparc64/io.h b/include/asm-sparc64/io.h index 0056770e83ad..30b912d8e8bc 100644 --- a/include/asm-sparc64/io.h +++ b/include/asm-sparc64/io.h @@ -440,21 +440,6 @@ _memcpy_toio(volatile void __iomem *dst, const void *src, __kernel_size_t n) #define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz) -static inline int check_signature(void __iomem *io_addr, - const unsigned char *signature, - int length) -{ - int retval = 0; - do { - if (readb(io_addr) != *signature++) - goto out; - io_addr++; - } while (--length); - retval = 1; -out: - return retval; -} - #define mmiowb() #ifdef __KERNEL__ diff --git a/include/asm-x86_64/io.h b/include/asm-x86_64/io.h index 70e91fe76344..6ee9fadaaacb 100644 --- a/include/asm-x86_64/io.h +++ b/include/asm-x86_64/io.h @@ -254,33 +254,6 @@ void memset_io(volatile void __iomem *a, int b, size_t c); #define eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),(void *)(b),(c),(d)) -/** - * check_signature - find BIOS signatures - * @io_addr: mmio address to check - * @signature: signature block - * @length: length of signature - * - * Perform a signature comparison with the mmio address io_addr. This - * address should have been obtained by ioremap. - * Returns 1 on a match. - */ - -static inline int check_signature(void __iomem *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; -} - /* Nothing to do */ #define dma_cache_inv(_start,_size) do { } while (0) diff --git a/include/linux/io.h b/include/linux/io.h index 2ad96c3f0e4e..81877ea39309 100644 --- a/include/linux/io.h +++ b/include/linux/io.h @@ -28,4 +28,31 @@ void __iowrite64_copy(void __iomem *to, const void *from, size_t count); int ioremap_page_range(unsigned long addr, unsigned long end, unsigned long phys_addr, pgprot_t prot); +/** + * check_signature - find BIOS signatures + * @io_addr: mmio address to check + * @signature: signature block + * @length: length of signature + * + * Perform a signature comparison with the mmio address io_addr. This + * address should have been obtained by ioremap. + * Returns 1 on a match. + */ + +static inline int check_signature(const volatile void __iomem *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; +} + #endif /* _LINUX_IO_H */ |