Merge ../scsi-rc-fixes-2.6

16 files changed, 70 insertions, 142 deletions

diff --git a/include/asm-mips/asm.h b/include/asm-mips/asm.h
index e3038a4599e..838eb3144d8 100644
--- a/include/asm-mips/asm.h
+++ b/include/asm-mips/asm.h
@@ -344,6 +344,7 @@ symbol		=	value
 #define PTR_L		lw
 #define PTR_S		sw
 #define PTR_LA		la
+#define PTR_LI		li
 #define PTR_SLL		sll
 #define PTR_SLLV	sllv
 #define PTR_SRL		srl
@@ -368,6 +369,7 @@ symbol		=	value
 #define PTR_L		ld
 #define PTR_S		sd
 #define PTR_LA		dla
+#define PTR_LI		dli
 #define PTR_SLL		dsll
 #define PTR_SLLV	dsllv
 #define PTR_SRL		dsrl
diff --git a/include/asm-mips/cacheflush.h b/include/asm-mips/cacheflush.h
index 9ab59e2bb23..e3c9925876a 100644
--- a/include/asm-mips/cacheflush.h
+++ b/include/asm-mips/cacheflush.h
@@ -55,24 +55,13 @@ extern void (*flush_icache_range)(unsigned long start, unsigned long end);
 #define flush_cache_vmap(start, end)		flush_cache_all()
 #define flush_cache_vunmap(start, end)		flush_cache_all()
 
-static inline void copy_to_user_page(struct vm_area_struct *vma,
+extern void copy_to_user_page(struct vm_area_struct *vma,
 	struct page *page, unsigned long vaddr, void *dst, const void *src,
-	unsigned long len)
-{
-	if (cpu_has_dc_aliases)
-		flush_cache_page(vma, vaddr, page_to_pfn(page));
-	memcpy(dst, src, len);
-	__flush_icache_page(vma, page);
-}
+	unsigned long len);
 
-static inline void copy_from_user_page(struct vm_area_struct *vma,
+extern void copy_from_user_page(struct vm_area_struct *vma,
 	struct page *page, unsigned long vaddr, void *dst, const void *src,
-	unsigned long len)
-{
-	if (cpu_has_dc_aliases)
-		flush_cache_page(vma, vaddr, page_to_pfn(page));
-	memcpy(dst, src, len);
-}
+	unsigned long len);
 
 extern void (*flush_cache_sigtramp)(unsigned long addr);
 extern void (*flush_icache_all)(void);
diff --git a/include/asm-mips/div64.h b/include/asm-mips/div64.h
index 5f7dcf5452e..d107832de1b 100644
--- a/include/asm-mips/div64.h
+++ b/include/asm-mips/div64.h
@@ -83,27 +83,6 @@
 #if (_MIPS_SZLONG == 64)
 
 /*
- * Don't use this one in new code
- */
-#define do_div64_32(res, high, low, base) ({ \
-	unsigned int __quot, __mod; \
-	unsigned long __div; \
-	unsigned int __low, __high, __base; \
-	\
-	__high = (high); \
-	__low = (low); \
-	__div = __high; \
-	__div = __div << 32 | __low; \
-	__base = (base); \
-	\
-	__mod = __div % __base; \
-	__div = __div / __base; \
-	\
-	__quot = __div; \
-	(res) = __quot; \
-	__mod; })
-
-/*
  * Hey, we're already 64-bit, no
  * need to play games..
  */
diff --git a/include/asm-mips/fixmap.h b/include/asm-mips/fixmap.h
index 6959bdb5931..02c8a13fc89 100644
--- a/include/asm-mips/fixmap.h
+++ b/include/asm-mips/fixmap.h
@@ -45,8 +45,16 @@
  * fix-mapped?
  */
 enum fixed_addresses {
+#define FIX_N_COLOURS 8
+	FIX_CMAP_BEGIN,
+#ifdef CONFIG_MIPS_MT_SMTC
+	FIX_CMAP_END = FIX_CMAP_BEGIN + (FIX_N_COLOURS * NR_CPUS),
+#else
+	FIX_CMAP_END = FIX_CMAP_BEGIN + FIX_N_COLOURS,
+#endif
 #ifdef CONFIG_HIGHMEM
-	FIX_KMAP_BEGIN,	/* reserved pte's for temporary kernel mappings */
+	/* reserved pte's for temporary kernel mappings */
+	FIX_KMAP_BEGIN = FIX_CMAP_END + 1,
 	FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1,
 #endif
 	__end_of_fixed_addresses
@@ -70,9 +78,9 @@ extern void __set_fixmap (enum fixed_addresses idx,
  * at the top of mem..
  */
 #if defined(CONFIG_CPU_TX39XX) || defined(CONFIG_CPU_TX49XX)
-#define FIXADDR_TOP	(0xff000000UL - 0x2000)
+#define FIXADDR_TOP	((unsigned long)(long)(int)(0xff000000 - 0x20000))
 #else
-#define FIXADDR_TOP	(0xffffe000UL)
+#define FIXADDR_TOP	((unsigned long)(long)(int)0xfffe0000)
 #endif
 #define FIXADDR_SIZE	(__end_of_fixed_addresses << PAGE_SHIFT)
 #define FIXADDR_START	(FIXADDR_TOP - FIXADDR_SIZE)
diff --git a/include/asm-mips/io.h b/include/asm-mips/io.h
index df624e1ee6e..bc5f3c53155 100644
--- a/include/asm-mips/io.h
+++ b/include/asm-mips/io.h
@@ -172,7 +172,7 @@ extern unsigned long isa_slot_offset;
 #define page_to_phys(page)	((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT)
 
 extern void __iomem * __ioremap(phys_t offset, phys_t size, unsigned long flags);
-extern void __iounmap(volatile void __iomem *addr);
+extern void __iounmap(const volatile void __iomem *addr);
 
 static inline void __iomem * __ioremap_mode(phys_t offset, unsigned long size,
 	unsigned long flags)
@@ -279,7 +279,7 @@ static inline void __iomem * __ioremap_mode(phys_t offset, unsigned long size,
 #define ioremap_uncached_accelerated(offset, size)			\
 	__ioremap_mode((offset), (size), _CACHE_UNCACHED_ACCELERATED)
 
-static inline void iounmap(volatile void __iomem *addr)
+static inline void iounmap(const volatile void __iomem *addr)
 {
 #define __IS_KSEG1(addr) (((unsigned long)(addr) & ~0x1fffffffUL) == CKSEG1)
 
@@ -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-mips/irq.h b/include/asm-mips/irq.h
index 1a9804c6536..35a05ca5560 100644
--- a/include/asm-mips/irq.h
+++ b/include/asm-mips/irq.h
@@ -24,8 +24,6 @@ static inline int irq_canonicalize(int irq)
 #define irq_canonicalize(irq) (irq)	/* Sane hardware, sane code ... */
 #endif
 
-struct pt_regs;
-
 extern asmlinkage unsigned int do_IRQ(unsigned int irq);
 
 #ifdef CONFIG_MIPS_MT_SMTC
@@ -76,4 +74,8 @@ extern int setup_irq_smtc(unsigned int irq, struct irqaction * new,
                           unsigned long hwmask);
 #endif /* CONFIG_MIPS_MT_SMTC */
 
+extern int allocate_irqno(void);
+extern void alloc_legacy_irqno(void);
+extern void free_irqno(unsigned int irq);
+
 #endif /* _ASM_IRQ_H */
diff --git a/include/asm-mips/mipsmtregs.h b/include/asm-mips/mipsmtregs.h
index f637ce70758..3e9468f424f 100644
--- a/include/asm-mips/mipsmtregs.h
+++ b/include/asm-mips/mipsmtregs.h
@@ -352,6 +352,8 @@ do {									\
 #define write_vpe_c0_vpecontrol(val)	mttc0(1, 1, val)
 #define read_vpe_c0_vpeconf0()		mftc0(1, 2)
 #define write_vpe_c0_vpeconf0(val)	mttc0(1, 2, val)
+#define read_vpe_c0_count()		mftc0(9, 0)
+#define write_vpe_c0_count(val)		mttc0(9, 0, val)
 #define read_vpe_c0_status()		mftc0(12, 0)
 #define write_vpe_c0_status(val)	mttc0(12, 0, val)
 #define read_vpe_c0_cause()		mftc0(13, 0)
diff --git a/include/asm-mips/pgalloc.h b/include/asm-mips/pgalloc.h
index 582c1fe6cc4..af121c67dc7 100644
--- a/include/asm-mips/pgalloc.h
+++ b/include/asm-mips/pgalloc.h
@@ -48,7 +48,7 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm)
 
 	ret = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_ORDER);
 	if (ret) {
-		init = pgd_offset(&init_mm, 0);
+		init = pgd_offset(&init_mm, 0UL);
 		pgd_init((unsigned long)ret);
 		memcpy(ret + USER_PTRS_PER_PGD, init + USER_PTRS_PER_PGD,
 		       (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t));
diff --git a/include/asm-mips/pgtable-64.h b/include/asm-mips/pgtable-64.h
index d05fb6f38aa..7e7320300aa 100644
--- a/include/asm-mips/pgtable-64.h
+++ b/include/asm-mips/pgtable-64.h
@@ -174,7 +174,7 @@ static inline void pud_clear(pud_t *pudp)
 #define __pmd_offset(address)	pmd_index(address)
 
 /* to find an entry in a kernel page-table-directory */
-#define pgd_offset_k(address) pgd_offset(&init_mm, 0)
+#define pgd_offset_k(address) pgd_offset(&init_mm, 0UL)
 
 #define pgd_index(address)	(((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
 #define pmd_index(address)	(((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1))
diff --git a/include/asm-mips/sibyte/sb1250.h b/include/asm-mips/sibyte/sb1250.h
index b09e16c93ca..2ba6988ddc8 100644
--- a/include/asm-mips/sibyte/sb1250.h
+++ b/include/asm-mips/sibyte/sb1250.h
@@ -51,8 +51,8 @@ extern void sb1250_mask_irq(int cpu, int irq);
 extern void sb1250_unmask_irq(int cpu, int irq);
 extern void sb1250_smp_finish(void);
 
+extern void bcm1480_hpt_setup(void);
 extern void bcm1480_time_init(void);
-extern unsigned long bcm1480_gettimeoffset(void);
 extern void bcm1480_mask_irq(int cpu, int irq);
 extern void bcm1480_unmask_irq(int cpu, int irq);
 extern void bcm1480_smp_finish(void);
diff --git a/include/asm-mips/stackframe.h b/include/asm-mips/stackframe.h
index 158a4cd12e4..1fae5dc5813 100644
--- a/include/asm-mips/stackframe.h
+++ b/include/asm-mips/stackframe.h
@@ -59,69 +59,43 @@
 		.endm
 
 #ifdef CONFIG_SMP
-		.macro	get_saved_sp	/* SMP variation */
-#ifdef CONFIG_32BIT
 #ifdef CONFIG_MIPS_MT_SMTC
-		.set	mips32
-		mfc0	k0, CP0_TCBIND;
-		.set	mips0
-		lui	k1, %hi(kernelsp)
-		srl	k0, k0, 19
-		/* No need to shift down and up to clear bits 0-1 */
+#define PTEBASE_SHIFT	19	/* TCBIND */
 #else
-		mfc0	k0, CP0_CONTEXT
-		lui	k1, %hi(kernelsp)
-		srl	k0, k0, 23
-#endif
-		addu	k1, k0
-		LONG_L	k1, %lo(kernelsp)(k1)
+#define PTEBASE_SHIFT	23	/* CONTEXT */
 #endif
-#ifdef CONFIG_64BIT
+		.macro	get_saved_sp	/* SMP variation */
 #ifdef CONFIG_MIPS_MT_SMTC
-		.set	mips64
-		mfc0	k0, CP0_TCBIND;
-		.set	mips0
-		lui	k0, %highest(kernelsp)
-		dsrl	k1, 19
-		/* No need to shift down and up to clear bits 0-2 */
+		mfc0	k0, CP0_TCBIND
 #else
-		MFC0	k1, CP0_CONTEXT
-		lui	k0, %highest(kernelsp)
-		dsrl	k1, 23
-		daddiu	k0, %higher(kernelsp)
-		dsll	k0, k0, 16
-		daddiu	k0, %hi(kernelsp)
-		dsll	k0, k0, 16
-#endif /* CONFIG_MIPS_MT_SMTC */
-		daddu	k1, k1, k0
+		MFC0	k0, CP0_CONTEXT
+#endif
+#if defined(CONFIG_BUILD_ELF64) || (defined(CONFIG_64BIT) && __GNUC__ < 4)
+		lui	k1, %highest(kernelsp)
+		daddiu	k1, %higher(kernelsp)
+		dsll	k1, 16
+		daddiu	k1, %hi(kernelsp)
+		dsll	k1, 16
+#else
+		lui	k1, %hi(kernelsp)
+#endif
+		LONG_SRL	k0, PTEBASE_SHIFT
+		LONG_ADDU	k1, k0
 		LONG_L	k1, %lo(kernelsp)(k1)
-#endif /* CONFIG_64BIT */
 		.endm
 
 		.macro	set_saved_sp stackp temp temp2
-#ifdef CONFIG_32BIT
-#ifdef CONFIG_MIPS_MT_SMTC
-		mfc0	\temp, CP0_TCBIND
-		srl	\temp, 19
-#else
-		mfc0	\temp, CP0_CONTEXT
-		srl	\temp, 23
-#endif
-#endif
-#ifdef CONFIG_64BIT
 #ifdef CONFIG_MIPS_MT_SMTC
 		mfc0	\temp, CP0_TCBIND
-		dsrl	\temp, 19
 #else
 		MFC0	\temp, CP0_CONTEXT
-		dsrl	\temp, 23
-#endif
 #endif
+		LONG_SRL	\temp, PTEBASE_SHIFT
 		LONG_S	\stackp, kernelsp(\temp)
 		.endm
 #else
 		.macro	get_saved_sp	/* Uniprocessor variation */
-#ifdef CONFIG_64BIT
+#if defined(CONFIG_BUILD_ELF64) || (defined(CONFIG_64BIT) && __GNUC__ < 4)
 		lui	k1, %highest(kernelsp)
 		daddiu	k1, %higher(kernelsp)
 		dsll	k1, k1, 16
diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h
index dcb4701d572..3056feed5a3 100644
--- a/include/asm-mips/system.h
+++ b/include/asm-mips/system.h
@@ -392,7 +392,7 @@ static inline unsigned long __cmpxchg_u64(volatile int * m, unsigned long old,
 {
 	__u64 retval;
 
-	if (cpu_has_llsc) {
+	if (cpu_has_llsc && R10000_LLSC_WAR) {
 		__asm__ __volatile__(
 		"	.set	push					\n"
 		"	.set	noat					\n"
diff --git a/include/asm-mips/termbits.h b/include/asm-mips/termbits.h
index fa6d04dac56..b62ec7c521c 100644
--- a/include/asm-mips/termbits.h
+++ b/include/asm-mips/termbits.h
@@ -3,7 +3,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 1995, 1996, 1999, 2001 Ralf Baechle
+ * Copyright (C) 1995, 96, 99, 2001, 06 Ralf Baechle
  * Copyright (C) 1999 Silicon Graphics, Inc.
  * Copyright (C) 2001 MIPS Technologies, Inc.
  */
@@ -13,14 +13,8 @@
 #include <linux/posix_types.h>
 
 typedef unsigned char cc_t;
-#if (_MIPS_SZLONG == 32)
-typedef unsigned long speed_t;
-typedef unsigned long tcflag_t;
-#endif
-#if (_MIPS_SZLONG == 64)
-typedef __u32 speed_t;
-typedef __u32 tcflag_t;
-#endif
+typedef unsigned int speed_t;
+typedef unsigned int tcflag_t;
 
 /*
  * The ABI says nothing about NCC but seems to use NCCS as
diff --git a/include/asm-mips/time.h b/include/asm-mips/time.h
index 28512ba2266..625acd337bc 100644
--- a/include/asm-mips/time.h
+++ b/include/asm-mips/time.h
@@ -48,7 +48,8 @@ extern void (*mips_timer_ack)(void);
  * If mips_hpt_read is NULL, an R4k-compatible timer setup is attempted.
  */
 extern unsigned int (*mips_hpt_read)(void);
-extern void (*mips_hpt_init)(unsigned int);
+extern void (*mips_hpt_init)(void);
+extern unsigned int mips_hpt_mask;
 
 /*
  * to_tm() converts system time back to (year, mon, day, hour, min, sec).
@@ -58,13 +59,6 @@ extern void (*mips_hpt_init)(unsigned int);
 extern void to_tm(unsigned long tim, struct rtc_time *tm);
 
 /*
- * do_gettimeoffset(). By default, this func pointer points to
- * do_null_gettimeoffset(), which leads to the same resolution as HZ.
- * Higher resolution versions are available, which give ~1us resolution.
- */
-extern unsigned long (*do_gettimeoffset)(void);
-
-/*
  * high-level timer interrupt routines.
  */
 extern irqreturn_t timer_interrupt(int irq, void *dev_id);
diff --git a/include/asm-mips/unistd.h b/include/asm-mips/unistd.h
index 685c91467e6..ec56aa52f66 100644
--- a/include/asm-mips/unistd.h
+++ b/include/asm-mips/unistd.h
@@ -331,16 +331,19 @@
 #define __NR_move_pages			(__NR_Linux + 308)
 #define __NR_set_robust_list		(__NR_Linux + 309)
 #define __NR_get_robust_list		(__NR_Linux + 310)
+#define __NR_kexec_load			(__NR_Linux + 311)
+#define __NR_getcpu			(__NR_Linux + 312)
+#define __NR_epoll_pwait		(__NR_Linux + 313)
 
 /*
  * Offset of the last Linux o32 flavoured syscall
  */
-#define __NR_Linux_syscalls		310
+#define __NR_Linux_syscalls		313
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
 
 #define __NR_O32_Linux			4000
-#define __NR_O32_Linux_syscalls		310
+#define __NR_O32_Linux_syscalls		313
 
 #if _MIPS_SIM == _MIPS_SIM_ABI64
 
@@ -618,16 +621,19 @@
 #define __NR_move_pages			(__NR_Linux + 267)
 #define __NR_set_robust_list		(__NR_Linux + 268)
 #define __NR_get_robust_list		(__NR_Linux + 269)
+#define __NR_kexec_load			(__NR_Linux + 270)
+#define __NR_getcpu			(__NR_Linux + 271)
+#define __NR_epoll_pwait		(__NR_Linux + 272)
 
 /*
  * Offset of the last Linux 64-bit flavoured syscall
  */
-#define __NR_Linux_syscalls		269
+#define __NR_Linux_syscalls		272
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
 
 #define __NR_64_Linux			5000
-#define __NR_64_Linux_syscalls		269
+#define __NR_64_Linux_syscalls		272
 
 #if _MIPS_SIM == _MIPS_SIM_NABI32
 
@@ -909,16 +915,19 @@
 #define __NR_move_pages			(__NR_Linux + 271)
 #define __NR_set_robust_list		(__NR_Linux + 272)
 #define __NR_get_robust_list		(__NR_Linux + 273)
+#define __NR_kexec_load			(__NR_Linux + 274)
+#define __NR_getcpu			(__NR_Linux + 275)
+#define __NR_epoll_pwait		(__NR_Linux + 276)
 
 /*
  * Offset of the last N32 flavoured syscall
  */
-#define __NR_Linux_syscalls		273
+#define __NR_Linux_syscalls		276
 
 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
 
 #define __NR_N32_Linux			6000
-#define __NR_N32_Linux_syscalls		273
+#define __NR_N32_Linux_syscalls		276
 
 #ifdef __KERNEL__
 
@@ -1186,6 +1195,7 @@ type name (atype a,btype b,ctype c,dtype d,etype e,ftype f) \
 #endif /* (_MIPS_SIM == _MIPS_SIM_NABI32) || (_MIPS_SIM == _MIPS_SIM_ABI64) */
 
 
+#define __ARCH_OMIT_COMPAT_SYS_GETDENTS64
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
 #define __ARCH_WANT_SYS_ALARM
diff --git a/include/asm-mips/vr41xx/vr41xx.h b/include/asm-mips/vr41xx/vr41xx.h
index dd3eb3dc588..88b492f6ea9 100644
--- a/include/asm-mips/vr41xx/vr41xx.h
+++ b/include/asm-mips/vr41xx/vr41xx.h
@@ -75,7 +75,7 @@ extern void vr41xx_mask_clock(vr41xx_clock_t clock);
  * Interrupt Control Unit
  */
 extern int vr41xx_set_intassign(unsigned int irq, unsigned char intassign);
-extern int cascade_irq(unsigned int irq, int (*get_irq)(unsigned int, struct pt_regs *));
+extern int cascade_irq(unsigned int irq, int (*get_irq)(unsigned int));
 
 #define PIUINT_COMMAND		0x0040
 #define PIUINT_DATA		0x0020