ARM: Add init_consistent_dma_size()

This function can be called during boot to increase the size of the consistent
DMA region above it's default value of 2MB. It must be called before the memory
allocator is initialised, i.e. before any core_initcall.

Signed-off-by: Jon Medhurst <tixy@yxit.co.uk>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>

1 files changed, 0 insertions, 9 deletions

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 91bca355cd31..64ab41348f30 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -653,9 +653,6 @@ void __init mem_init(void)
                         "    ITCM    : 0x%08lx - 0x%08lx   (%4ld kB)\n"
 #endif
                         "    fixmap  : 0x%08lx - 0x%08lx   (%4ld kB)\n"
-#ifdef CONFIG_MMU
-                        "    DMA     : 0x%08lx - 0x%08lx   (%4ld MB)\n"
-#endif
                         "    vmalloc : 0x%08lx - 0x%08lx   (%4ld MB)\n"
                         "    lowmem  : 0x%08lx - 0x%08lx   (%4ld MB)\n"
 #ifdef CONFIG_HIGHMEM
@@ -674,9 +671,6 @@ void __init mem_init(void)
                         MLK(ITCM_OFFSET, (unsigned long) itcm_end),
 #endif
                         MLK(FIXADDR_START, FIXADDR_TOP),
-#ifdef CONFIG_MMU
-                        MLM(CONSISTENT_BASE, CONSISTENT_END),
-#endif
                         MLM(VMALLOC_START, VMALLOC_END),
                         MLM(PAGE_OFFSET, (unsigned long)high_memory),
 #ifdef CONFIG_HIGHMEM
@@ -699,9 +693,6 @@ void __init mem_init(void)
          * be detected at build time already.
          */
 #ifdef CONFIG_MMU
-        BUILD_BUG_ON(VMALLOC_END                        > CONSISTENT_BASE);
-        BUG_ON(VMALLOC_END                              > CONSISTENT_BASE);
-
         BUILD_BUG_ON(TASK_SIZE                          > MODULES_VADDR);
         BUG_ON(TASK_SIZE                                > MODULES_VADDR);
 #endif