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-rw-r--r--arch/arm/include/asm/assembler.h12
-rw-r--r--arch/arm/include/asm/barrier.h2
-rw-r--r--arch/arm/include/asm/hardware/entry-macro-iomd.S10
-rw-r--r--arch/arm/include/asm/pgtable.h3
-rw-r--r--arch/arm/include/asm/processor.h6
-rw-r--r--arch/arm/include/asm/smp.h1
-rw-r--r--arch/arm/include/asm/smp_twd.h16
-rw-r--r--arch/arm/include/asm/spinlock.h3
-rw-r--r--arch/arm/include/asm/uaccess.h3
-rw-r--r--arch/arm/include/asm/v7m.h2
-rw-r--r--arch/arm/include/asm/vfpmacros.h8
-rw-r--r--arch/arm/include/debug/tegra.S2
12 files changed, 31 insertions, 37 deletions
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 28a48e0d4cca..b59921a560da 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -376,9 +376,9 @@ THUMB( orr \reg , \reg , #PSR_T_BIT )
.macro usraccoff, instr, reg, ptr, inc, off, cond, abort, t=TUSER()
9999:
.if \inc == 1
- \instr\cond\()b\()\t\().w \reg, [\ptr, #\off]
+ \instr\()b\t\cond\().w \reg, [\ptr, #\off]
.elseif \inc == 4
- \instr\cond\()\t\().w \reg, [\ptr, #\off]
+ \instr\t\cond\().w \reg, [\ptr, #\off]
.else
.error "Unsupported inc macro argument"
.endif
@@ -417,9 +417,9 @@ THUMB( orr \reg , \reg , #PSR_T_BIT )
.rept \rept
9999:
.if \inc == 1
- \instr\cond\()b\()\t \reg, [\ptr], #\inc
+ \instr\()b\t\cond \reg, [\ptr], #\inc
.elseif \inc == 4
- \instr\cond\()\t \reg, [\ptr], #\inc
+ \instr\t\cond \reg, [\ptr], #\inc
.else
.error "Unsupported inc macro argument"
.endif
@@ -460,7 +460,7 @@ THUMB( orr \reg , \reg , #PSR_T_BIT )
.macro check_uaccess, addr:req, size:req, limit:req, tmp:req, bad:req
#ifndef CONFIG_CPU_USE_DOMAINS
adds \tmp, \addr, #\size - 1
- sbcccs \tmp, \tmp, \limit
+ sbcscc \tmp, \tmp, \limit
bcs \bad
#ifdef CONFIG_CPU_SPECTRE
movcs \addr, #0
@@ -474,7 +474,7 @@ THUMB( orr \reg , \reg , #PSR_T_BIT )
sub \tmp, \limit, #1
subs \tmp, \tmp, \addr @ tmp = limit - 1 - addr
addhs \tmp, \tmp, #1 @ if (tmp >= 0) {
- subhss \tmp, \tmp, \size @ tmp = limit - (addr + size) }
+ subshs \tmp, \tmp, \size @ tmp = limit - (addr + size) }
movlo \addr, #0 @ if (tmp < 0) addr = NULL
csdb
#endif
diff --git a/arch/arm/include/asm/barrier.h b/arch/arm/include/asm/barrier.h
index 69772e742a0a..83ae97c049d9 100644
--- a/arch/arm/include/asm/barrier.h
+++ b/arch/arm/include/asm/barrier.h
@@ -11,6 +11,8 @@
#define sev() __asm__ __volatile__ ("sev" : : : "memory")
#define wfe() __asm__ __volatile__ ("wfe" : : : "memory")
#define wfi() __asm__ __volatile__ ("wfi" : : : "memory")
+#else
+#define wfe() do { } while (0)
#endif
#if __LINUX_ARM_ARCH__ >= 7
diff --git a/arch/arm/include/asm/hardware/entry-macro-iomd.S b/arch/arm/include/asm/hardware/entry-macro-iomd.S
index 8c215acd9b57..f7692731e514 100644
--- a/arch/arm/include/asm/hardware/entry-macro-iomd.S
+++ b/arch/arm/include/asm/hardware/entry-macro-iomd.S
@@ -16,25 +16,25 @@
ldr \tmp, =irq_prio_h
teq \irqstat, #0
#ifdef IOMD_BASE
- ldreqb \irqstat, [\base, #IOMD_DMAREQ] @ get dma
+ ldrbeq \irqstat, [\base, #IOMD_DMAREQ] @ get dma
addeq \tmp, \tmp, #256 @ irq_prio_h table size
teqeq \irqstat, #0
bne 2406f
#endif
- ldreqb \irqstat, [\base, #IOMD_IRQREQA] @ get low priority
+ ldrbeq \irqstat, [\base, #IOMD_IRQREQA] @ get low priority
addeq \tmp, \tmp, #256 @ irq_prio_d table size
teqeq \irqstat, #0
#ifdef IOMD_IRQREQC
- ldreqb \irqstat, [\base, #IOMD_IRQREQC]
+ ldrbeq \irqstat, [\base, #IOMD_IRQREQC]
addeq \tmp, \tmp, #256 @ irq_prio_l table size
teqeq \irqstat, #0
#endif
#ifdef IOMD_IRQREQD
- ldreqb \irqstat, [\base, #IOMD_IRQREQD]
+ ldrbeq \irqstat, [\base, #IOMD_IRQREQD]
addeq \tmp, \tmp, #256 @ irq_prio_lc table size
teqeq \irqstat, #0
#endif
-2406: ldrneb \irqnr, [\tmp, \irqstat] @ get IRQ number
+2406: ldrbne \irqnr, [\tmp, \irqstat] @ get IRQ number
.endm
/*
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index a757401129f9..48ce1b19069b 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -125,6 +125,9 @@ extern pgprot_t pgprot_s2_device;
#define pgprot_stronglyordered(prot) \
__pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_UNCACHED)
+#define pgprot_device(prot) \
+ __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_DEV_SHARED | L_PTE_SHARED | L_PTE_DIRTY | L_PTE_XN)
+
#ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE
#define pgprot_dmacoherent(prot) \
__pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE | L_PTE_XN)
diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h
index 120f4c9bbfde..57fe73ea0f72 100644
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -89,7 +89,11 @@ extern void release_thread(struct task_struct *);
unsigned long get_wchan(struct task_struct *p);
#if __LINUX_ARM_ARCH__ == 6 || defined(CONFIG_ARM_ERRATA_754327)
-#define cpu_relax() smp_mb()
+#define cpu_relax() \
+ do { \
+ smp_mb(); \
+ __asm__ __volatile__("nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"); \
+ } while (0)
#else
#define cpu_relax() barrier()
#endif
diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h
index 709a55989cb0..451ae684aaf4 100644
--- a/arch/arm/include/asm/smp.h
+++ b/arch/arm/include/asm/smp.h
@@ -67,7 +67,6 @@ struct secondary_data {
void *stack;
};
extern struct secondary_data secondary_data;
-extern volatile int pen_release;
extern void secondary_startup(void);
extern void secondary_startup_arm(void);
diff --git a/arch/arm/include/asm/smp_twd.h b/arch/arm/include/asm/smp_twd.h
index 312784ee9936..c729d2113a24 100644
--- a/arch/arm/include/asm/smp_twd.h
+++ b/arch/arm/include/asm/smp_twd.h
@@ -19,20 +19,4 @@
#define TWD_TIMER_CONTROL_PERIODIC (1 << 1)
#define TWD_TIMER_CONTROL_IT_ENABLE (1 << 2)
-#include <linux/ioport.h>
-
-struct twd_local_timer {
- struct resource res[2];
-};
-
-#define DEFINE_TWD_LOCAL_TIMER(name,base,irq) \
-struct twd_local_timer name __initdata = { \
- .res = { \
- DEFINE_RES_MEM(base, 0x10), \
- DEFINE_RES_IRQ(irq), \
- }, \
-};
-
-int twd_local_timer_register(struct twd_local_timer *);
-
#endif
diff --git a/arch/arm/include/asm/spinlock.h b/arch/arm/include/asm/spinlock.h
index 099c78fcf62d..8f009e788ad4 100644
--- a/arch/arm/include/asm/spinlock.h
+++ b/arch/arm/include/asm/spinlock.h
@@ -210,11 +210,12 @@ static inline void arch_read_lock(arch_rwlock_t *rw)
prefetchw(&rw->lock);
__asm__ __volatile__(
+" .syntax unified\n"
"1: ldrex %0, [%2]\n"
" adds %0, %0, #1\n"
" strexpl %1, %0, [%2]\n"
WFE("mi")
-" rsbpls %0, %1, #0\n"
+" rsbspl %0, %1, #0\n"
" bmi 1b"
: "=&r" (tmp), "=&r" (tmp2)
: "r" (&rw->lock)
diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
index 42aa4a22803c..89a28680934b 100644
--- a/arch/arm/include/asm/uaccess.h
+++ b/arch/arm/include/asm/uaccess.h
@@ -86,7 +86,8 @@ static inline void set_fs(mm_segment_t fs)
#define __range_ok(addr, size) ({ \
unsigned long flag, roksum; \
__chk_user_ptr(addr); \
- __asm__("adds %1, %2, %3; sbcccs %1, %1, %0; movcc %0, #0" \
+ __asm__(".syntax unified\n" \
+ "adds %1, %2, %3; sbcscc %1, %1, %0; movcc %0, #0" \
: "=&r" (flag), "=&r" (roksum) \
: "r" (addr), "Ir" (size), "0" (current_thread_info()->addr_limit) \
: "cc"); \
diff --git a/arch/arm/include/asm/v7m.h b/arch/arm/include/asm/v7m.h
index 187ccf6496ad..2cb00d15831b 100644
--- a/arch/arm/include/asm/v7m.h
+++ b/arch/arm/include/asm/v7m.h
@@ -49,7 +49,7 @@
* (0 -> msp; 1 -> psp). Bits [1:0] are fixed to 0b01.
*/
#define EXC_RET_STACK_MASK 0x00000004
-#define EXC_RET_THREADMODE_PROCESSSTACK 0xfffffffd
+#define EXC_RET_THREADMODE_PROCESSSTACK (3 << 2)
/* Cache related definitions */
diff --git a/arch/arm/include/asm/vfpmacros.h b/arch/arm/include/asm/vfpmacros.h
index ef5dfedacd8d..628c336e8e3b 100644
--- a/arch/arm/include/asm/vfpmacros.h
+++ b/arch/arm/include/asm/vfpmacros.h
@@ -29,13 +29,13 @@
ldr \tmp, =elf_hwcap @ may not have MVFR regs
ldr \tmp, [\tmp, #0]
tst \tmp, #HWCAP_VFPD32
- ldcnel p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31}
+ ldclne p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31}
addeq \base, \base, #32*4 @ step over unused register space
#else
VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0
and \tmp, \tmp, #MVFR0_A_SIMD_MASK @ A_SIMD field
cmp \tmp, #2 @ 32 x 64bit registers?
- ldceql p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31}
+ ldcleq p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31}
addne \base, \base, #32*4 @ step over unused register space
#endif
#endif
@@ -53,13 +53,13 @@
ldr \tmp, =elf_hwcap @ may not have MVFR regs
ldr \tmp, [\tmp, #0]
tst \tmp, #HWCAP_VFPD32
- stcnel p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31}
+ stclne p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31}
addeq \base, \base, #32*4 @ step over unused register space
#else
VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0
and \tmp, \tmp, #MVFR0_A_SIMD_MASK @ A_SIMD field
cmp \tmp, #2 @ 32 x 64bit registers?
- stceql p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31}
+ stcleq p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31}
addne \base, \base, #32*4 @ step over unused register space
#endif
#endif
diff --git a/arch/arm/include/debug/tegra.S b/arch/arm/include/debug/tegra.S
index 3bc80599c022..4a5a645c76e2 100644
--- a/arch/arm/include/debug/tegra.S
+++ b/arch/arm/include/debug/tegra.S
@@ -173,7 +173,7 @@
.macro senduart, rd, rx
cmp \rx, #0
- strneb \rd, [\rx, #UART_TX << UART_SHIFT]
+ strbne \rd, [\rx, #UART_TX << UART_SHIFT]
1001:
.endm
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