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authorLinus Torvalds <torvalds@linux-foundation.org>2013-11-12 16:52:17 +0900
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-12 16:52:17 +0900
commit10d0c9705e80bbd3d587c5fad24599aabaca6688 (patch)
tree9456083a1b04b8d98da08d88e937cfeff80e2a7d /arch/x86
parent85b656cf1560e27a89354a23f2c10ba229d2f173 (diff)
parentc11eede69b6ad0ac44ebc1e021a8d2699c5f1f8f (diff)
Merge tag 'devicetree-for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring: "DeviceTree updates for 3.13. This is a bit larger pull request than usual for this cycle with lots of clean-up. - Cross arch clean-up and consolidation of early DT scanning code. - Clean-up and removal of arch prom.h headers. Makes arch specific prom.h optional on all but Sparc. - Addition of interrupts-extended property for devices connected to multiple interrupt controllers. - Refactoring of DT interrupt parsing code in preparation for deferred probe of interrupts. - ARM cpu and cpu topology bindings documentation. - Various DT vendor binding documentation updates" * tag 'devicetree-for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (82 commits) powerpc: add missing explicit OF includes for ppc dt/irq: add empty of_irq_count for !OF_IRQ dt: disable self-tests for !OF_IRQ of: irq: Fix interrupt-map entry matching MIPS: Netlogic: replace early_init_devtree() call of: Add Panasonic Corporation vendor prefix of: Add Chunghwa Picture Tubes Ltd. vendor prefix of: Add AU Optronics Corporation vendor prefix of/irq: Fix potential buffer overflow of/irq: Fix bug in interrupt parsing refactor. of: set dma_mask to point to coherent_dma_mask of: add vendor prefix for PHYTEC Messtechnik GmbH DT: sort vendor-prefixes.txt of: Add vendor prefix for Cadence of: Add empty for_each_available_child_of_node() macro definition arm/versatile: Fix versatile irq specifications. of/irq: create interrupts-extended property microblaze/pci: Drop PowerPC-ism from irq parsing of/irq: Create of_irq_parse_and_map_pci() to consolidate arch code. of/irq: Use irq_of_parse_and_map() ...
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/include/asm/prom.h5
-rw-r--r--arch/x86/kernel/devicetree.c51
2 files changed, 10 insertions, 46 deletions
diff --git a/arch/x86/include/asm/prom.h b/arch/x86/include/asm/prom.h
index bade6ac3b14..fbeb06ed0ea 100644
--- a/arch/x86/include/asm/prom.h
+++ b/arch/x86/include/asm/prom.h
@@ -39,10 +39,5 @@ static inline void x86_dtb_init(void) { }
extern char cmd_line[COMMAND_LINE_SIZE];
-#define pci_address_to_pio pci_address_to_pio
-unsigned long pci_address_to_pio(phys_addr_t addr);
-
-#define HAVE_ARCH_DEVTREE_FIXUPS
-
#endif /* __ASSEMBLY__ */
#endif
diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c
index 376dc787344..d35078ea144 100644
--- a/arch/x86/kernel/devicetree.c
+++ b/arch/x86/kernel/devicetree.c
@@ -20,22 +20,13 @@
#include <asm/hpet.h>
#include <asm/apic.h>
#include <asm/pci_x86.h>
+#include <asm/setup.h>
__initdata u64 initial_dtb;
char __initdata cmd_line[COMMAND_LINE_SIZE];
int __initdata of_ioapic;
-unsigned long pci_address_to_pio(phys_addr_t address)
-{
- /*
- * The ioport address can be directly used by inX / outX
- */
- BUG_ON(address >= (1 << 16));
- return (unsigned long)address;
-}
-EXPORT_SYMBOL_GPL(pci_address_to_pio);
-
void __init early_init_dt_scan_chosen_arch(unsigned long node)
{
BUG();
@@ -51,15 +42,6 @@ void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
return __alloc_bootmem(size, align, __pa(MAX_DMA_ADDRESS));
}
-#ifdef CONFIG_BLK_DEV_INITRD
-void __init early_init_dt_setup_initrd_arch(u64 start, u64 end)
-{
- initrd_start = (unsigned long)__va(start);
- initrd_end = (unsigned long)__va(end);
- initrd_below_start_ok = 1;
-}
-#endif
-
void __init add_dtb(u64 data)
{
initial_dtb = data + offsetof(struct setup_data, data);
@@ -105,7 +87,6 @@ struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus)
static int x86_of_pci_irq_enable(struct pci_dev *dev)
{
- struct of_irq oirq;
u32 virq;
int ret;
u8 pin;
@@ -116,12 +97,7 @@ static int x86_of_pci_irq_enable(struct pci_dev *dev)
if (!pin)
return 0;
- ret = of_irq_map_pci(dev, &oirq);
- if (ret)
- return ret;
-
- virq = irq_create_of_mapping(oirq.controller, oirq.specifier,
- oirq.size);
+ virq = of_irq_parse_and_map_pci(dev, 0, 0);
if (virq == 0)
return -EINVAL;
dev->irq = virq;
@@ -230,7 +206,7 @@ static void __init dtb_apic_setup(void)
static void __init x86_flattree_get_config(void)
{
u32 size, map_len;
- void *new_dtb;
+ struct boot_param_header *dt;
if (!initial_dtb)
return;
@@ -238,24 +214,17 @@ static void __init x86_flattree_get_config(void)
map_len = max(PAGE_SIZE - (initial_dtb & ~PAGE_MASK),
(u64)sizeof(struct boot_param_header));
- initial_boot_params = early_memremap(initial_dtb, map_len);
- size = be32_to_cpu(initial_boot_params->totalsize);
+ dt = early_memremap(initial_dtb, map_len);
+ size = be32_to_cpu(dt->totalsize);
if (map_len < size) {
- early_iounmap(initial_boot_params, map_len);
- initial_boot_params = early_memremap(initial_dtb, size);
+ early_iounmap(dt, map_len);
+ dt = early_memremap(initial_dtb, size);
map_len = size;
}
- new_dtb = alloc_bootmem(size);
- memcpy(new_dtb, initial_boot_params, size);
- early_iounmap(initial_boot_params, map_len);
-
- initial_boot_params = new_dtb;
-
- /* root level address cells */
- of_scan_flat_dt(early_init_dt_scan_root, NULL);
-
- unflatten_device_tree();
+ initial_boot_params = dt;
+ unflatten_and_copy_device_tree();
+ early_iounmap(dt, map_len);
}
#else
static inline void x86_flattree_get_config(void) { }