diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-07 18:02:16 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-07 18:02:16 -0800 |
| commit | d423421cb3e924cf68da231a732c3250c80afa4e (patch) | |
| tree | 5b4cd07bd86bb3b2a4e249658a50146c867327f8 | |
| parent | 850a9a4e3c019ce67e3bc29c810ac213ec4c169e (diff) | |
| parent | 744bfe4c25716a7cfc5690aeab8d572b43d7c916 (diff) | |
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 3353/1: NAS100d: protect nas100d_power_exit() with machine_is_nas100d()
[ARM] 3352/1: DSB required for the completion of a TLB maintenance operation
| -rw-r--r-- | arch/arm/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm/mach-ixp4xx/nas100d-power.c | 3 | ||||
| -rw-r--r-- | arch/arm/mm/tlb-v6.S | 1 | ||||
| -rw-r--r-- | include/asm-arm/tlbflush.h | 6 |
4 files changed, 11 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 15dc1a0dffb..9f80fa502f8 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -78,7 +78,7 @@ menu "System Type" choice prompt "ARM system type" - default ARCH_RPC + default ARCH_VERSATILE config ARCH_CLPS7500 bool "Cirrus-CL-PS7500FE" diff --git a/arch/arm/mach-ixp4xx/nas100d-power.c b/arch/arm/mach-ixp4xx/nas100d-power.c index 2bec69bfa71..99d333d7ebd 100644 --- a/arch/arm/mach-ixp4xx/nas100d-power.c +++ b/arch/arm/mach-ixp4xx/nas100d-power.c @@ -56,6 +56,9 @@ static int __init nas100d_power_init(void) static void __exit nas100d_power_exit(void) { + if (!(machine_is_nas100d())) + return; + free_irq(NAS100D_RB_IRQ, NULL); } diff --git a/arch/arm/mm/tlb-v6.S b/arch/arm/mm/tlb-v6.S index 6f76b89ef46..fd6adde3909 100644 --- a/arch/arm/mm/tlb-v6.S +++ b/arch/arm/mm/tlb-v6.S @@ -80,6 +80,7 @@ ENTRY(v6wbi_flush_kern_tlb_range) add r0, r0, #PAGE_SZ cmp r0, r1 blo 1b + mcr p15, 0, r2, c7, c10, 4 @ data synchronization barrier mov pc, lr .section ".text.init", #alloc, #execinstr diff --git a/include/asm-arm/tlbflush.h b/include/asm-arm/tlbflush.h index 9387a5e1ffe..0c2acc944a0 100644 --- a/include/asm-arm/tlbflush.h +++ b/include/asm-arm/tlbflush.h @@ -340,6 +340,12 @@ static inline void local_flush_tlb_kernel_page(unsigned long kaddr) asm("mcr%? p15, 0, %0, c8, c6, 1" : : "r" (kaddr)); if (tlb_flag(TLB_V6_I_PAGE)) asm("mcr%? p15, 0, %0, c8, c5, 1" : : "r" (kaddr)); + + /* The ARM ARM states that the completion of a TLB maintenance + * operation is only guaranteed by a DSB instruction + */ + if (tlb_flag(TLB_V6_U_PAGE | TLB_V6_D_PAGE | TLB_V6_I_PAGE)) + asm("mcr%? p15, 0, %0, c7, c10, 4" : : "r" (zero)); } /* |