Merge branches 'fixes' and 'misc' into for-linus
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 730d456..6900aab 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1417,6 +1417,7 @@
config VMSPLIT_3G
bool "3G/1G user/kernel split"
config VMSPLIT_3G_OPT
+ depends on !ARM_LPAE
bool "3G/1G user/kernel split (for full 1G low memory)"
config VMSPLIT_2G
bool "2G/2G user/kernel split"
diff --git a/arch/arm/boot/compressed/efi-header.S b/arch/arm/boot/compressed/efi-header.S
index 9d5dc4f..a17ca8d 100644
--- a/arch/arm/boot/compressed/efi-header.S
+++ b/arch/arm/boot/compressed/efi-header.S
@@ -17,14 +17,13 @@
@ there.
.inst 'M' | ('Z' << 8) | (0x1310 << 16) @ tstne r0, #0x4d000
#else
- mov r0, r0
+ AR_CLASS( mov r0, r0 )
+ M_CLASS( nop.w )
#endif
.endm
.macro __EFI_HEADER
#ifdef CONFIG_EFI_STUB
- b __efi_start
-
.set start_offset, __efi_start - start
.org start + 0x3c
@
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 7c711ba..8a75687 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -130,19 +130,22 @@
.rept 7
__nop
.endr
- ARM( mov r0, r0 )
- ARM( b 1f )
- THUMB( badr r12, 1f )
- THUMB( bx r12 )
+#ifndef CONFIG_THUMB2_KERNEL
+ mov r0, r0
+#else
+ AR_CLASS( sub pc, pc, #3 ) @ A/R: switch to Thumb2 mode
+ M_CLASS( nop.w ) @ M: already in Thumb2 mode
+ .thumb
+#endif
+ W(b) 1f
.word _magic_sig @ Magic numbers to help the loader
.word _magic_start @ absolute load/run zImage address
.word _magic_end @ zImage end address
.word 0x04030201 @ endianness flag
- THUMB( .thumb )
-1: __EFI_HEADER
-
+ __EFI_HEADER
+1:
ARM_BE8( setend be ) @ go BE8 if compiled for BE8
AR_CLASS( mrs r9, cpsr )
#ifdef CONFIG_ARM_VIRT_EXT
diff --git a/arch/arm/common/mcpm_entry.c b/arch/arm/common/mcpm_entry.c
index cf06247..2b913f1 100644
--- a/arch/arm/common/mcpm_entry.c
+++ b/arch/arm/common/mcpm_entry.c
@@ -235,7 +235,7 @@
return ret;
}
-typedef void (*phys_reset_t)(unsigned long);
+typedef typeof(cpu_reset) phys_reset_t;
void mcpm_cpu_power_down(void)
{
@@ -300,7 +300,7 @@
* on the CPU.
*/
phys_reset = (phys_reset_t)(unsigned long)__pa_symbol(cpu_reset);
- phys_reset(__pa_symbol(mcpm_entry_point));
+ phys_reset(__pa_symbol(mcpm_entry_point), false);
/* should never get here */
BUG();
@@ -389,7 +389,7 @@
__mcpm_cpu_down(cpu, cluster);
phys_reset = (phys_reset_t)(unsigned long)__pa_symbol(cpu_reset);
- phys_reset(__pa_symbol(mcpm_entry_point));
+ phys_reset(__pa_symbol(mcpm_entry_point), false);
BUG();
}
diff --git a/arch/arm/include/asm/pgtable-nommu.h b/arch/arm/include/asm/pgtable-nommu.h
index 302240c..a0d726a 100644
--- a/arch/arm/include/asm/pgtable-nommu.h
+++ b/arch/arm/include/asm/pgtable-nommu.h
@@ -66,6 +66,7 @@
#define pgprot_noncached(prot) (prot)
#define pgprot_writecombine(prot) (prot)
#define pgprot_dmacoherent(prot) (prot)
+#define pgprot_device(prot) (prot)
/*
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 32e1a95..4e80bf7 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -315,7 +315,7 @@
if (arch >= CPU_ARCH_ARMv6) {
unsigned int cachetype = read_cpuid_cachetype();
- if ((arch == CPU_ARCH_ARMv7M) && !cachetype) {
+ if ((arch == CPU_ARCH_ARMv7M) && !(cachetype & 0xf000f)) {
cacheid = 0;
} else if ((cachetype & (7 << 29)) == 4 << 29) {
/* ARMv7 register format */
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 31af3cb5..e46a6a4 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -1218,15 +1218,15 @@
high_memory = __va(arm_lowmem_limit - 1) + 1;
+ if (!memblock_limit)
+ memblock_limit = arm_lowmem_limit;
+
/*
* Round the memblock limit down to a pmd size. This
* helps to ensure that we will allocate memory from the
* last full pmd, which should be mapped.
*/
- if (memblock_limit)
- memblock_limit = round_down(memblock_limit, PMD_SIZE);
- if (!memblock_limit)
- memblock_limit = arm_lowmem_limit;
+ memblock_limit = round_down(memblock_limit, PMD_SIZE);
if (!IS_ENABLED(CONFIG_HIGHMEM) || cache_is_vipt_aliasing()) {
if (memblock_end_of_DRAM() > arm_lowmem_limit) {