diff options
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/mach-keystone/keystone.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/arm/mach-keystone/keystone.c b/arch/arm/mach-keystone/keystone.c index 06620875813a..3d58a8f4dc7e 100644 --- a/arch/arm/mach-keystone/keystone.c +++ b/arch/arm/mach-keystone/keystone.c @@ -27,7 +27,6 @@ #include "keystone.h" -static struct notifier_block platform_nb; static unsigned long keystone_dma_pfn_offset __read_mostly; static int keystone_platform_notifier(struct notifier_block *nb, @@ -49,11 +48,18 @@ static int keystone_platform_notifier(struct notifier_block *nb, return NOTIFY_OK; } +static struct notifier_block platform_nb = { + .notifier_call = keystone_platform_notifier, +}; + static void __init keystone_init(void) { - keystone_pm_runtime_init(); - if (platform_nb.notifier_call) + if (PHYS_OFFSET >= KEYSTONE_HIGH_PHYS_START) { + keystone_dma_pfn_offset = PFN_DOWN(KEYSTONE_HIGH_PHYS_START - + KEYSTONE_LOW_PHYS_START); bus_register_notifier(&platform_bus_type, &platform_nb); + } + keystone_pm_runtime_init(); of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } @@ -96,9 +102,6 @@ static void __init keystone_init_meminfo(void) /* Populate the arch idmap hook */ arch_virt_to_idmap = keystone_virt_to_idmap; - platform_nb.notifier_call = keystone_platform_notifier; - keystone_dma_pfn_offset = PFN_DOWN(KEYSTONE_HIGH_PHYS_START - - KEYSTONE_LOW_PHYS_START); pr_info("Switching to high address space at 0x%llx\n", (u64)offset); } |