diff options
| -rw-r--r-- | arch/arm/boot/Makefile | 4 | ||||
| -rw-r--r-- | arch/arm/include/asm/delay.h | 1 | ||||
| -rw-r--r-- | arch/arm/include/asm/pgtable.h | 3 | ||||
| -rw-r--r-- | arch/arm/kernel/smp.c | 5 | ||||
| -rw-r--r-- | arch/arm/lib/delay.c | 1 | ||||
| -rw-r--r-- | arch/arm/mm/alignment.c | 11 | ||||
| -rw-r--r-- | arch/arm/vfp/vfphw.S | 36 | ||||
| -rw-r--r-- | arch/arm/vfp/vfpmodule.c | 2 | ||||
| -rw-r--r-- | drivers/amba/tegra-ahb.c | 2 |
9 files changed, 36 insertions, 29 deletions
diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile index abfce280f57b..71768b8a1ab9 100644 --- a/arch/arm/boot/Makefile +++ b/arch/arm/boot/Makefile @@ -68,8 +68,8 @@ else endif check_for_multiple_loadaddr = \ -if [ $(words $(UIMAGE_LOADADDR)) -gt 1 ]; then \ - echo 'multiple load addresses: $(UIMAGE_LOADADDR)'; \ +if [ $(words $(UIMAGE_LOADADDR)) -ne 1 ]; then \ + echo 'multiple (or no) load addresses: $(UIMAGE_LOADADDR)'; \ echo 'This is incompatible with uImages'; \ echo 'Specify LOADADDR on the commandline to build an uImage'; \ false; \ diff --git a/arch/arm/include/asm/delay.h b/arch/arm/include/asm/delay.h index ab98fdd083bd..720799fd3a81 100644 --- a/arch/arm/include/asm/delay.h +++ b/arch/arm/include/asm/delay.h @@ -24,6 +24,7 @@ extern struct arm_delay_ops { void (*delay)(unsigned long); void (*const_udelay)(unsigned long); void (*udelay)(unsigned long); + bool const_clock; } arm_delay_ops; #define __delay(n) arm_delay_ops.delay(n) diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h index f30ac3b55ba9..80d6fc4dbe4a 100644 --- a/arch/arm/include/asm/pgtable.h +++ b/arch/arm/include/asm/pgtable.h @@ -247,7 +247,8 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; } static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) { - const pteval_t mask = L_PTE_XN | L_PTE_RDONLY | L_PTE_USER | L_PTE_NONE; + const pteval_t mask = L_PTE_XN | L_PTE_RDONLY | L_PTE_USER | + L_PTE_NONE | L_PTE_VALID; pte_val(pte) = (pte_val(pte) & ~mask) | (pgprot_val(newprot) & mask); return pte; } diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 5f73f7018f50..1bdfd87c8e41 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -466,8 +466,6 @@ void tick_broadcast(const struct cpumask *mask) { smp_cross_call(mask, IPI_TIMER); } -#else -#define smp_timer_broadcast NULL #endif static void broadcast_timer_set_mode(enum clock_event_mode mode, @@ -674,6 +672,9 @@ static int cpufreq_callback(struct notifier_block *nb, if (freq->flags & CPUFREQ_CONST_LOOPS) return NOTIFY_OK; + if (arm_delay_ops.const_clock) + return NOTIFY_OK; + if (!per_cpu(l_p_j_ref, cpu)) { per_cpu(l_p_j_ref, cpu) = per_cpu(cpu_data, cpu).loops_per_jiffy; diff --git a/arch/arm/lib/delay.c b/arch/arm/lib/delay.c index 0dc53854a5d8..6b93f6a1a3c7 100644 --- a/arch/arm/lib/delay.c +++ b/arch/arm/lib/delay.c @@ -77,6 +77,7 @@ void __init register_current_timer_delay(const struct delay_timer *timer) arm_delay_ops.delay = __timer_delay; arm_delay_ops.const_udelay = __timer_const_udelay; arm_delay_ops.udelay = __timer_udelay; + arm_delay_ops.const_clock = true; delay_calibrated = true; } else { pr_info("Ignoring duplicate/late registration of read_current_timer delay\n"); diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c index b820edaf3184..db26e2e543f4 100644 --- a/arch/arm/mm/alignment.c +++ b/arch/arm/mm/alignment.c @@ -749,7 +749,6 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs) unsigned long instr = 0, instrptr; int (*handler)(unsigned long addr, unsigned long instr, struct pt_regs *regs); unsigned int type; - mm_segment_t fs; unsigned int fault; u16 tinstr = 0; int isize = 4; @@ -760,16 +759,15 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs) instrptr = instruction_pointer(regs); - fs = get_fs(); - set_fs(KERNEL_DS); if (thumb_mode(regs)) { - fault = __get_user(tinstr, (u16 *)(instrptr & ~1)); + u16 *ptr = (u16 *)(instrptr & ~1); + fault = probe_kernel_address(ptr, tinstr); if (!fault) { if (cpu_architecture() >= CPU_ARCH_ARMv7 && IS_T32(tinstr)) { /* Thumb-2 32-bit */ u16 tinst2 = 0; - fault = __get_user(tinst2, (u16 *)(instrptr+2)); + fault = probe_kernel_address(ptr + 1, tinst2); instr = (tinstr << 16) | tinst2; thumb2_32b = 1; } else { @@ -778,8 +776,7 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs) } } } else - fault = __get_user(instr, (u32 *)instrptr); - set_fs(fs); + fault = probe_kernel_address(instrptr, instr); if (fault) { type = TYPE_FAULT; diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S index dd5e56f95f3f..8d10dc8a1e17 100644 --- a/arch/arm/vfp/vfphw.S +++ b/arch/arm/vfp/vfphw.S @@ -22,12 +22,14 @@ .macro DBGSTR, str #ifdef DEBUG stmfd sp!, {r0-r3, ip, lr} - add r0, pc, #4 + ldr r0, =1f bl printk - b 1f - .asciz KERN_DEBUG "VFP: \str\n" - .balign 4 -1: ldmfd sp!, {r0-r3, ip, lr} + ldmfd sp!, {r0-r3, ip, lr} + + .pushsection .rodata, "a" +1: .ascii KERN_DEBUG "VFP: \str\n" + .byte 0 + .previous #endif .endm @@ -35,12 +37,14 @@ #ifdef DEBUG stmfd sp!, {r0-r3, ip, lr} mov r1, \arg - add r0, pc, #4 + ldr r0, =1f bl printk - b 1f - .asciz KERN_DEBUG "VFP: \str\n" - .balign 4 -1: ldmfd sp!, {r0-r3, ip, lr} + ldmfd sp!, {r0-r3, ip, lr} + + .pushsection .rodata, "a" +1: .ascii KERN_DEBUG "VFP: \str\n" + .byte 0 + .previous #endif .endm @@ -50,12 +54,14 @@ mov r3, \arg3 mov r2, \arg2 mov r1, \arg1 - add r0, pc, #4 + ldr r0, =1f bl printk - b 1f - .asciz KERN_DEBUG "VFP: \str\n" - .balign 4 -1: ldmfd sp!, {r0-r3, ip, lr} + ldmfd sp!, {r0-r3, ip, lr} + + .pushsection .rodata, "a" +1: .ascii KERN_DEBUG "VFP: \str\n" + .byte 0 + .previous #endif .endm diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 3b44e0dd0a93..5dfbb0b8e7f4 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -413,7 +413,7 @@ void VFP_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs) * If there isn't a second FP instruction, exit now. Note that * the FPEXC.FP2V bit is valid only if FPEXC.EX is 1. */ - if (fpexc ^ (FPEXC_EX | FPEXC_FP2V)) + if ((fpexc & (FPEXC_EX | FPEXC_FP2V)) != (FPEXC_EX | FPEXC_FP2V)) goto exit; /* diff --git a/drivers/amba/tegra-ahb.c b/drivers/amba/tegra-ahb.c index ab92785f54dc..093c43554963 100644 --- a/drivers/amba/tegra-ahb.c +++ b/drivers/amba/tegra-ahb.c @@ -130,7 +130,7 @@ static inline void gizmo_writel(struct tegra_ahb *ahb, u32 value, u32 offset) writel(value, ahb->regs + offset); } -#ifdef CONFIG_ARCH_TEGRA_3x_SOC +#ifdef CONFIG_TEGRA_IOMMU_SMMU static int tegra_ahb_match_by_smmu(struct device *dev, void *data) { struct tegra_ahb *ahb = dev_get_drvdata(dev); |