Merge branch 'misc' into devel

Conflicts:
	arch/arm/Kconfig

4 files changed, 31 insertions, 33 deletions

diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index e4509bae8fc4..05b26a03c209 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -845,6 +845,11 @@ config CACHE_XSC3L2
         help
           This option enables the L2 cache on XScale3.
 
+config ARM_L1_CACHE_SHIFT_6
+        bool
+        help
+          Setting ARM L1 cache line size to 64 Bytes.
+
 config ARM_L1_CACHE_SHIFT
         int
         default 6 if ARM_L1_CACHE_SHIFT_6
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index f2ce38e085d2..ef59099a5463 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -73,18 +73,24 @@ static inline void l2x0_inv_line(unsigned long addr)
         writel_relaxed(addr, base + L2X0_INV_LINE_PA);
 }
 
-#ifdef CONFIG_PL310_ERRATA_588369
-static void debug_writel(unsigned long val)
-{
-        extern void omap_smc1(u32 fn, u32 arg);
+#if defined(CONFIG_PL310_ERRATA_588369) || defined(CONFIG_PL310_ERRATA_727915)
 
-        /*
-         * Texas Instrument secure monitor api to modify the
-         * PL310 Debug Control Register.
-         */
-        omap_smc1(0x100, val);
+#define debug_writel(val)       outer_cache.set_debug(val)
+
+static void l2x0_set_debug(unsigned long val)
+{
+        writel_relaxed(val, l2x0_base + L2X0_DEBUG_CTRL);
 }
+#else
+/* Optimised out for non-errata case */
+static inline void debug_writel(unsigned long val)
+{
+}
+
+#define l2x0_set_debug  NULL
+#endif
 
+#ifdef CONFIG_PL310_ERRATA_588369
 static inline void l2x0_flush_line(unsigned long addr)
 {
         void __iomem *base = l2x0_base;
@@ -97,11 +103,6 @@ static inline void l2x0_flush_line(unsigned long addr)
 }
 #else
 
-/* Optimised out for non-errata case */
-static inline void debug_writel(unsigned long val)
-{
-}
-
 static inline void l2x0_flush_line(unsigned long addr)
 {
         void __iomem *base = l2x0_base;
@@ -125,9 +126,11 @@ static void l2x0_flush_all(void)
 
         /* clean all ways */
         spin_lock_irqsave(&l2x0_lock, flags);
+        debug_writel(0x03);
         writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_CLEAN_INV_WAY);
         cache_wait_way(l2x0_base + L2X0_CLEAN_INV_WAY, l2x0_way_mask);
         cache_sync();
+        debug_writel(0x00);
         spin_unlock_irqrestore(&l2x0_lock, flags);
 }
 
@@ -335,6 +338,7 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask)
         outer_cache.flush_all = l2x0_flush_all;
         outer_cache.inv_all = l2x0_inv_all;
         outer_cache.disable = l2x0_disable;
+        outer_cache.set_debug = l2x0_set_debug;
 
         printk(KERN_INFO "%s cache controller enabled\n", type);
         printk(KERN_INFO "l2x0: %d ways, CACHE_ID 0x%08x, AUX_CTRL 0x%08x, Cache size: %d B\n",
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 3c67e92f7d59..ff7b43b5885a 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -827,16 +827,6 @@ static void __init sanity_check_meminfo(void)
                          * rather difficult.
                          */
                         reason = "with VIPT aliasing cache";
-                } else if (is_smp() && tlb_ops_need_broadcast()) {
-                        /*
-                         * kmap_high needs to occasionally flush TLB entries,
-                         * however, if the TLB entries need to be broadcast
-                         * we may deadlock:
-                         *  kmap_high(irqs off)->flush_all_zero_pkmaps->
-                         *  flush_tlb_kernel_range->smp_call_function_many
-                         *   (must not be called with irqs off)
-                         */
-                        reason = "without hardware TLB ops broadcasting";
                 }
                 if (reason) {
                         printk(KERN_CRIT "HIGHMEM is not supported %s, ignoring high memory\n",
diff --git a/arch/arm/mm/vmregion.c b/arch/arm/mm/vmregion.c
index 935993e1b1ef..036fdbfdd62f 100644
--- a/arch/arm/mm/vmregion.c
+++ b/arch/arm/mm/vmregion.c
@@ -38,7 +38,7 @@ struct arm_vmregion *
 arm_vmregion_alloc(struct arm_vmregion_head *head, size_t align,
                    size_t size, gfp_t gfp)
 {
-        unsigned long addr = head->vm_start, end = head->vm_end - size;
+        unsigned long start = head->vm_start, addr = head->vm_end;
         unsigned long flags;
         struct arm_vmregion *c, *new;
 
@@ -54,21 +54,20 @@ arm_vmregion_alloc(struct arm_vmregion_head *head, size_t align,
 
         spin_lock_irqsave(&head->vm_lock, flags);
 
-        list_for_each_entry(c, &head->vm_list, vm_list) {
-                if ((addr + size) < addr)
-                        goto nospc;
-                if ((addr + size) <= c->vm_start)
+        addr = rounddown(addr - size, align);
+        list_for_each_entry_reverse(c, &head->vm_list, vm_list) {
+                if (addr >= c->vm_end)
                         goto found;
-                addr = ALIGN(c->vm_end, align);
-                if (addr > end)
+                addr = rounddown(c->vm_start - size, align);
+                if (addr < start)
                         goto nospc;
         }
 
  found:
         /*
-         * Insert this entry _before_ the one we found.
+         * Insert this entry after the one we found.
          */
-        list_add_tail(&new->vm_list, &c->vm_list);
+        list_add(&new->vm_list, &c->vm_list);
         new->vm_start = addr;
         new->vm_end = addr + size;
         new->vm_active = 1;