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Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm

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Pull ARM updates from Russell King:
 "In this set, we have:
   - Refactoring of some of the old StrongARM-1100 GPIO code to make
     things simpler by Dmitry Eremin-Solenikov
   - Read-only and non-executable support for modules on ARM from Laura
     Abbot
   - Removal of unnecessary set_drvdata() calls in AMBA code
   - Some non-executable support for kernel lowmem mappings at the 1MB
     section granularity, and dumping of kernel page tables via debugfs
   - Some improvements for the timer/clock code on Footbridge platforms,
     and cleanup some of the LED code there
   - Fix fls/ffs() signatures to match x86 to prevent build warnings,
     particularly where these are used with min/max() macros
   - Avoid using the bootmem allocator on ARM (patches from Santosh
     Shilimkar)
   - Various asid/unaligned access updates from Will Deacon"

* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (51 commits)
  ARM: SMP implementations are not supposed to return from smp_ops.cpu_die()
  ARM: ignore memory below PHYS_OFFSET
  Fix select-induced Kconfig warning for ZBOOT_ROM
  ARM: fix ffs/fls implementations to match x86
  ARM: 7935/1: sa1100: collie: add gpio-keys configuration
  ARM: 7932/1: bcm: Add DEBUG_LL console support
  ARM: 7929/1: Remove duplicate SCHED_HRTICK config option
  ARM: 7928/1: kconfig: select HAVE_EFFICIENT_UNALIGNED_ACCESS for CPUv6+ && MMU
  ARM: 7927/1: dcache: select DCACHE_WORD_ACCESS for big-endian CPUs
  ARM: 7926/1: mm: flesh out and fix the comments in the ASID allocator
  ARM: 7925/1: mm: keep track of last ASID allocation to improve bitmap searching
  ARM: 7924/1: mm: don't bother with reserved ttbr0 when running with LPAE
  ARM: PCI: add legacy IDE IRQ implementation
  ARM: footbridge: cleanup LEDs code
  ARM: pgd allocation: retry on failure
  ARM: footbridge: add one-shot mode for DC21285 timer
  ARM: footbridge: add sched_clock implementation
  ARM: 7922/1: l2x0: add Marvell Tauros3 support
  ARM: 7877/1: use built-in byte swap function
  ARM: 7921/1: mcpm: remove redundant dsb instructions prior to sev
  ...
This commit is contained in:
Linus Torvalds
2014-01-23 18:34:03 -08:00
parent 13c789a6b2 857989a7fd
commit f341535193
55 changed files with 1179 additions and 524 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
arch/arm/kernel/setup.c
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@@ -334,7 +334,7 @@ static void __init cacheid_init(void)
cacheid = CACHEID_VIVT;
}
printk("CPU: %s data cache, %s instruction cache\n",
pr_info("CPU: %s data cache, %s instruction cache\n",
cache_is_vivt() ? "VIVT" :
cache_is_vipt_aliasing() ? "VIPT aliasing" :
cache_is_vipt_nonaliasing() ? "PIPT / VIPT nonaliasing" : "unknown",
@@ -416,7 +416,7 @@ void notrace cpu_init(void)
struct stack *stk = &stacks[cpu];
if (cpu >= NR_CPUS) {
printk(KERN_CRIT "CPU%u: bad primary CPU number\n", cpu);
pr_crit("CPU%u: bad primary CPU number\n", cpu);
BUG();
}
@@ -484,7 +484,7 @@ void __init smp_setup_processor_id(void)
*/
set_my_cpu_offset(0);
printk(KERN_INFO "Booting Linux on physical CPU 0x%x\n", mpidr);
pr_info("Booting Linux on physical CPU 0x%x\n", mpidr);
}
struct mpidr_hash mpidr_hash;
@@ -564,8 +564,8 @@ static void __init setup_processor(void)
*/
list = lookup_processor_type(read_cpuid_id());
if (!list) {
printk("CPU configuration botched (ID %08x), unable "
"to continue.\n", read_cpuid_id());
pr_err("CPU configuration botched (ID %08x), unable to continue.\n",
read_cpuid_id());
while (1);
}
@@ -585,9 +585,9 @@ static void __init setup_processor(void)
cpu_cache = *list->cache;
#endif
printk("CPU: %s [%08x] revision %d (ARMv%s), cr=%08lx\n",
cpu_name, read_cpuid_id(), read_cpuid_id() & 15,
proc_arch[cpu_architecture()], cr_alignment);
pr_info("CPU: %s [%08x] revision %d (ARMv%s), cr=%08lx\n",
cpu_name, read_cpuid_id(), read_cpuid_id() & 15,
proc_arch[cpu_architecture()], cr_alignment);
snprintf(init_utsname()->machine, __NEW_UTS_LEN + 1, "%s%c",
list->arch_name, ENDIANNESS);
@@ -629,8 +629,8 @@ int __init arm_add_memory(u64 start, u64 size)
u64 aligned_start;
if (meminfo.nr_banks >= NR_BANKS) {
printk(KERN_CRIT "NR_BANKS too low, "
"ignoring memory at 0x%08llx\n", (long long)start);
pr_crit("NR_BANKS too low, ignoring memory at 0x%08llx\n",
(long long)start);
return -EINVAL;
}
@@ -643,14 +643,14 @@ int __init arm_add_memory(u64 start, u64 size)
#ifndef CONFIG_ARCH_PHYS_ADDR_T_64BIT
if (aligned_start > ULONG_MAX) {
printk(KERN_CRIT "Ignoring memory at 0x%08llx outside "
"32-bit physical address space\n", (long long)start);
pr_crit("Ignoring memory at 0x%08llx outside 32-bit physical address space\n",
(long long)start);
return -EINVAL;
}
if (aligned_start + size > ULONG_MAX) {
printk(KERN_CRIT "Truncating memory at 0x%08llx to fit in "
"32-bit physical address space\n", (long long)start);
pr_crit("Truncating memory at 0x%08llx to fit in 32-bit physical address space\n",
(long long)start);
/*
* To ensure bank->start + bank->size is representable in
* 32 bits, we use ULONG_MAX as the upper limit rather than 4GB.
@@ -660,6 +660,20 @@ int __init arm_add_memory(u64 start, u64 size)
}
#endif
if (aligned_start < PHYS_OFFSET) {
if (aligned_start + size <= PHYS_OFFSET) {
pr_info("Ignoring memory below PHYS_OFFSET: 0x%08llx-0x%08llx\n",
aligned_start, aligned_start + size);
return -EINVAL;
}
pr_info("Ignoring memory below PHYS_OFFSET: 0x%08llx-0x%08llx\n",
aligned_start, (u64)PHYS_OFFSET);
size -= PHYS_OFFSET - aligned_start;
aligned_start = PHYS_OFFSET;
}
bank->start = aligned_start;
bank->size = size & ~(phys_addr_t)(PAGE_SIZE - 1);
@@ -817,18 +831,17 @@ static void __init reserve_crashkernel(void)
if (ret)
return;
ret = reserve_bootmem(crash_base, crash_size, BOOTMEM_EXCLUSIVE);
ret = memblock_reserve(crash_base, crash_size);
if (ret < 0) {
printk(KERN_WARNING "crashkernel reservation failed - "
"memory is in use (0x%lx)\n", (unsigned long)crash_base);
pr_warn("crashkernel reservation failed - memory is in use (0x%lx)\n",
(unsigned long)crash_base);
return;
}
printk(KERN_INFO "Reserving %ldMB of memory at %ldMB "
"for crashkernel (System RAM: %ldMB)\n",
(unsigned long)(crash_size >> 20),
(unsigned long)(crash_base >> 20),
(unsigned long)(total_mem >> 20));
pr_info("Reserving %ldMB of memory at %ldMB for crashkernel (System RAM: %ldMB)\n",
(unsigned long)(crash_size >> 20),
(unsigned long)(crash_base >> 20),
(unsigned long)(total_mem >> 20));
crashk_res.start = crash_base;
crashk_res.end = crash_base + crash_size - 1;