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authorLinus Torvalds <torvalds@g5.osdl.org>2006-03-12 17:56:02 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-12 17:56:02 -0500
commit7cafae52381395d24b83996eca7a7b53ab6a8827 (patch)
tree05b3cfb71c7131aaabe3b78b6f0278e91cba5147
parentba244fe9005323452428fee4b4b7d0c70a06b627 (diff)
parentcdaabbd74b15296acf09215355a7f3b07b92b83e (diff)
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] iwmmxt thread state alignment [ARM] 3350/1: Enable 1-wire on ARM [ARM] 3356/1: Workaround for the ARM1136 I-cache invalidation problem [ARM] 3355/1: NSLU2: remove propmt depends [ARM] 3354/1: NAS100d: fix power led handling [ARM] Fix muldi3.S
-rw-r--r--arch/arm/Kconfig2
-rw-r--r--arch/arm/kernel/asm-offsets.c4
-rw-r--r--arch/arm/kernel/ptrace.c14
-rw-r--r--arch/arm/lib/muldi3.S4
-rw-r--r--arch/arm/mach-ixp4xx/Kconfig4
-rw-r--r--arch/arm/mach-ixp4xx/nas100d-setup.c3
-rw-r--r--arch/arm/mm/cache-v6.S7
-rw-r--r--arch/arm/mm/flush.c6
-rw-r--r--include/asm-arm/fpstate.h4
-rw-r--r--include/asm-arm/thread_info.h2
10 files changed, 27 insertions, 23 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 9f80fa502f8f..32ba00bd0a2f 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -799,6 +799,8 @@ source "drivers/i2c/Kconfig"
799 799
800source "drivers/spi/Kconfig" 800source "drivers/spi/Kconfig"
801 801
802source "drivers/w1/Kconfig"
803
802source "drivers/hwmon/Kconfig" 804source "drivers/hwmon/Kconfig"
803 805
804#source "drivers/l3/Kconfig" 806#source "drivers/l3/Kconfig"
diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c
index 0abbce8c70bc..b324dcac1c56 100644
--- a/arch/arm/kernel/asm-offsets.c
+++ b/arch/arm/kernel/asm-offsets.c
@@ -57,7 +57,9 @@ int main(void)
57 DEFINE(TI_TP_VALUE, offsetof(struct thread_info, tp_value)); 57 DEFINE(TI_TP_VALUE, offsetof(struct thread_info, tp_value));
58 DEFINE(TI_FPSTATE, offsetof(struct thread_info, fpstate)); 58 DEFINE(TI_FPSTATE, offsetof(struct thread_info, fpstate));
59 DEFINE(TI_VFPSTATE, offsetof(struct thread_info, vfpstate)); 59 DEFINE(TI_VFPSTATE, offsetof(struct thread_info, vfpstate));
60 DEFINE(TI_IWMMXT_STATE, (offsetof(struct thread_info, fpstate)+4)&~7); 60#ifdef CONFIG_IWMMXT
61 DEFINE(TI_IWMMXT_STATE, offsetof(struct thread_info, fpstate.iwmmxt));
62#endif
61 BLANK(); 63 BLANK();
62 DEFINE(S_R0, offsetof(struct pt_regs, ARM_r0)); 64 DEFINE(S_R0, offsetof(struct pt_regs, ARM_r0));
63 DEFINE(S_R1, offsetof(struct pt_regs, ARM_r1)); 65 DEFINE(S_R1, offsetof(struct pt_regs, ARM_r1));
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 7b6256bb590e..bc9e2f8ae326 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -610,15 +610,12 @@ static int ptrace_setfpregs(struct task_struct *tsk, void __user *ufp)
610static int ptrace_getwmmxregs(struct task_struct *tsk, void __user *ufp) 610static int ptrace_getwmmxregs(struct task_struct *tsk, void __user *ufp)
611{ 611{
612 struct thread_info *thread = task_thread_info(tsk); 612 struct thread_info *thread = task_thread_info(tsk);
613 void *ptr = &thread->fpstate;
614 613
615 if (!test_ti_thread_flag(thread, TIF_USING_IWMMXT)) 614 if (!test_ti_thread_flag(thread, TIF_USING_IWMMXT))
616 return -ENODATA; 615 return -ENODATA;
617 iwmmxt_task_disable(thread); /* force it to ram */ 616 iwmmxt_task_disable(thread); /* force it to ram */
618 /* The iWMMXt state is stored doubleword-aligned. */ 617 return copy_to_user(ufp, &thread->fpstate.iwmmxt, IWMMXT_SIZE)
619 if (((long) ptr) & 4) 618 ? -EFAULT : 0;
620 ptr += 4;
621 return copy_to_user(ufp, ptr, 0x98) ? -EFAULT : 0;
622} 619}
623 620
624/* 621/*
@@ -627,15 +624,12 @@ static int ptrace_getwmmxregs(struct task_struct *tsk, void __user *ufp)
627static int ptrace_setwmmxregs(struct task_struct *tsk, void __user *ufp) 624static int ptrace_setwmmxregs(struct task_struct *tsk, void __user *ufp)
628{ 625{
629 struct thread_info *thread = task_thread_info(tsk); 626 struct thread_info *thread = task_thread_info(tsk);
630 void *ptr = &thread->fpstate;
631 627
632 if (!test_ti_thread_flag(thread, TIF_USING_IWMMXT)) 628 if (!test_ti_thread_flag(thread, TIF_USING_IWMMXT))
633 return -EACCES; 629 return -EACCES;
634 iwmmxt_task_release(thread); /* force a reload */ 630 iwmmxt_task_release(thread); /* force a reload */
635 /* The iWMMXt state is stored doubleword-aligned. */ 631 return copy_from_user(&thead->fpstate.iwmmxt, ufp, IWMMXT_SIZE)
636 if (((long) ptr) & 4) 632 ? -EFAULT : 0;
637 ptr += 4;
638 return copy_from_user(ptr, ufp, 0x98) ? -EFAULT : 0;
639} 633}
640 634
641#endif 635#endif
diff --git a/arch/arm/lib/muldi3.S b/arch/arm/lib/muldi3.S
index 72d594184b8a..d89c60615794 100644
--- a/arch/arm/lib/muldi3.S
+++ b/arch/arm/lib/muldi3.S
@@ -29,8 +29,8 @@ ENTRY(__aeabi_lmul)
29 29
30 mul xh, yl, xh 30 mul xh, yl, xh
31 mla xh, xl, yh, xh 31 mla xh, xl, yh, xh
32 mov ip, xl, asr #16 32 mov ip, xl, lsr #16
33 mov yh, yl, asr #16 33 mov yh, yl, lsr #16
34 bic xl, xl, ip, lsl #16 34 bic xl, xl, ip, lsl #16
35 bic yl, yl, yh, lsl #16 35 bic yl, yl, yh, lsl #16
36 mla xh, yh, ip, xh 36 mla xh, yh, ip, xh
diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig
index daadc78e271b..5bf50a2a737d 100644
--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -8,11 +8,9 @@ menu "Intel IXP4xx Implementation Options"
8 8
9comment "IXP4xx Platforms" 9comment "IXP4xx Platforms"
10 10
11# This entry is placed on top because otherwise it would have
12# been shown as a submenu.
13config MACH_NSLU2 11config MACH_NSLU2
14 bool 12 bool
15 prompt "NSLU2" if !(MACH_IXDP465 || MACH_IXDPG425 || ARCH_IXDP425 || ARCH_ADI_COYOTE || ARCH_AVILA || ARCH_IXCDP1100 || ARCH_PRPMC1100 || MACH_GTWX5715) 13 prompt "Linksys NSLU2"
16 help 14 help
17 Say 'Y' here if you want your kernel to support Linksys's 15 Say 'Y' here if you want your kernel to support Linksys's
18 NSLU2 NAS device. For more information on this platform, 16 NSLU2 NAS device. For more information on this platform,
diff --git a/arch/arm/mach-ixp4xx/nas100d-setup.c b/arch/arm/mach-ixp4xx/nas100d-setup.c
index 856d56f3b2ae..a3b4c6ac5708 100644
--- a/arch/arm/mach-ixp4xx/nas100d-setup.c
+++ b/arch/arm/mach-ixp4xx/nas100d-setup.c
@@ -113,6 +113,9 @@ static void __init nas100d_init(void)
113{ 113{
114 ixp4xx_sys_init(); 114 ixp4xx_sys_init();
115 115
116 /* gpio 14 and 15 are _not_ clocks */
117 *IXP4XX_GPIO_GPCLKR = 0;
118
116 nas100d_flash_resource.start = IXP4XX_EXP_BUS_BASE(0); 119 nas100d_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
117 nas100d_flash_resource.end = 120 nas100d_flash_resource.end =
118 IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1; 121 IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
diff --git a/arch/arm/mm/cache-v6.S b/arch/arm/mm/cache-v6.S
index d921c1024ae0..2c6c2a7c05a0 100644
--- a/arch/arm/mm/cache-v6.S
+++ b/arch/arm/mm/cache-v6.S
@@ -96,15 +96,16 @@ ENTRY(v6_coherent_user_range)
96#ifdef HARVARD_CACHE 96#ifdef HARVARD_CACHE
97 bic r0, r0, #CACHE_LINE_SIZE - 1 97 bic r0, r0, #CACHE_LINE_SIZE - 1
981: mcr p15, 0, r0, c7, c10, 1 @ clean D line 981: mcr p15, 0, r0, c7, c10, 1 @ clean D line
99 mcr p15, 0, r0, c7, c5, 1 @ invalidate I line
100 add r0, r0, #CACHE_LINE_SIZE 99 add r0, r0, #CACHE_LINE_SIZE
101 cmp r0, r1 100 cmp r0, r1
102 blo 1b 101 blo 1b
103#endif 102#endif
104 mcr p15, 0, r0, c7, c5, 6 @ invalidate BTB
105#ifdef HARVARD_CACHE
106 mov r0, #0 103 mov r0, #0
104#ifdef HARVARD_CACHE
107 mcr p15, 0, r0, c7, c10, 4 @ drain write buffer 105 mcr p15, 0, r0, c7, c10, 4 @ drain write buffer
106 mcr p15, 0, r0, c7, c5, 0 @ I+BTB cache invalidate
107#else
108 mcr p15, 0, r0, c7, c5, 6 @ invalidate BTB
108#endif 109#endif
109 mov pc, lr 110 mov pc, lr
110 111
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c
index 330695b6b19d..b103e56806bd 100644
--- a/arch/arm/mm/flush.c
+++ b/arch/arm/mm/flush.c
@@ -24,14 +24,16 @@
24static void flush_pfn_alias(unsigned long pfn, unsigned long vaddr) 24static void flush_pfn_alias(unsigned long pfn, unsigned long vaddr)
25{ 25{
26 unsigned long to = ALIAS_FLUSH_START + (CACHE_COLOUR(vaddr) << PAGE_SHIFT); 26 unsigned long to = ALIAS_FLUSH_START + (CACHE_COLOUR(vaddr) << PAGE_SHIFT);
27 const int zero = 0;
27 28
28 set_pte(TOP_PTE(to), pfn_pte(pfn, PAGE_KERNEL)); 29 set_pte(TOP_PTE(to), pfn_pte(pfn, PAGE_KERNEL));
29 flush_tlb_kernel_page(to); 30 flush_tlb_kernel_page(to);
30 31
31 asm( "mcrr p15, 0, %1, %0, c14\n" 32 asm( "mcrr p15, 0, %1, %0, c14\n"
32 " mcrr p15, 0, %1, %0, c5\n" 33 " mcr p15, 0, %2, c7, c10, 4\n"
34 " mcr p15, 0, %2, c7, c5, 0\n"
33 : 35 :
34 : "r" (to), "r" (to + PAGE_SIZE - L1_CACHE_BYTES) 36 : "r" (to), "r" (to + PAGE_SIZE - L1_CACHE_BYTES), "r" (zero)
35 : "cc"); 37 : "cc");
36} 38}
37 39
diff --git a/include/asm-arm/fpstate.h b/include/asm-arm/fpstate.h
index f7430e3aa55d..6246bf83627d 100644
--- a/include/asm-arm/fpstate.h
+++ b/include/asm-arm/fpstate.h
@@ -55,8 +55,10 @@ struct fp_soft_struct {
55 unsigned int save[FP_SOFT_SIZE]; /* undefined information */ 55 unsigned int save[FP_SOFT_SIZE]; /* undefined information */
56}; 56};
57 57
58#define IWMMXT_SIZE 0x98
59
58struct iwmmxt_struct { 60struct iwmmxt_struct {
59 unsigned int save[0x98/sizeof(int) + 1]; 61 unsigned int save[IWMMXT_SIZE / sizeof(unsigned int)];
60}; 62};
61 63
62union fp_state { 64union fp_state {
diff --git a/include/asm-arm/thread_info.h b/include/asm-arm/thread_info.h
index 33a33cbb6329..cfbccb63c67b 100644
--- a/include/asm-arm/thread_info.h
+++ b/include/asm-arm/thread_info.h
@@ -59,7 +59,7 @@ struct thread_info {
59 struct cpu_context_save cpu_context; /* cpu context */ 59 struct cpu_context_save cpu_context; /* cpu context */
60 __u8 used_cp[16]; /* thread used copro */ 60 __u8 used_cp[16]; /* thread used copro */
61 unsigned long tp_value; 61 unsigned long tp_value;
62 union fp_state fpstate; 62 union fp_state fpstate __attribute__((aligned(8)));
63 union vfp_state vfpstate; 63 union vfp_state vfpstate;
64 struct restart_block restart_block; 64 struct restart_block restart_block;
65}; 65};