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DeviceTree updates for 3.13. This is a bit larger pull request than

Browse source 
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.
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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()
  ...
This commit is contained in:
Linus Torvalds 2013-11-12 16:52:17 +09:00
commit 10d0c9705e
212 changed files with 1919 additions and 1249 deletions
Download patch file Download diff file Expand all files Collapse all files

1
arch/c6x/include/asm/prom.h
View file

@ -1 +0,0 @@
/* dummy prom.h; here to make linux/of.h's #includes happy */

2
arch/c6x/include/asm/setup.h
View file

@ -14,8 +14,6 @@
#include <uapi/asm/setup.h>
#ifndef __ASSEMBLY__
extern char c6x_command_line[COMMAND_LINE_SIZE];
extern int c6x_add_memory(phys_addr_t start, unsigned long size);
extern unsigned long ram_start;

29
arch/c6x/kernel/devicetree.c
View file

@ -10,37 +10,8 @@
*
*/
#include <linux/init.h>
#include <linux/of.h>
#include <linux/of_fdt.h>
#include <linux/initrd.h>
#include <linux/memblock.h>
void __init early_init_devtree(void *params)
{
/* Setup flat device-tree pointer */
initial_boot_params = params;
/* Retrieve various informations from the /chosen node of the
* device-tree, including the platform type, initrd location and
* size and more ...
*/
of_scan_flat_dt(early_init_dt_scan_chosen, c6x_command_line);
/* Scan memory nodes and rebuild MEMBLOCKs */
of_scan_flat_dt(early_init_dt_scan_root, NULL);
of_scan_flat_dt(early_init_dt_scan_memory, NULL);
}
#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 early_init_dt_add_memory_arch(u64 base, u64 size)
{
c6x_add_memory(base, size);

13
arch/c6x/kernel/setup.c
View file

@ -68,13 +68,6 @@ unsigned long ram_end;
static unsigned long dma_start __initdata;
static unsigned long dma_size __initdata;
char c6x_command_line[COMMAND_LINE_SIZE];
#if defined(CONFIG_CMDLINE_BOOL)
static const char default_command_line[COMMAND_LINE_SIZE] __section(.cmdline) =
CONFIG_CMDLINE;
#endif
struct cpuinfo_c6x {
const char *cpu_name;
const char *cpu_voltage;
@ -294,10 +287,8 @@ notrace void __init machine_init(unsigned long dt_ptr)
fdt = dtb;
/* Do some early initialization based on the flat device tree */
early_init_devtree(fdt);
early_init_dt_scan(fdt);
/* parse_early_param needs a boot_command_line */
strlcpy(boot_command_line, c6x_command_line, COMMAND_LINE_SIZE);
parse_early_param();
}
@ -309,7 +300,7 @@ void __init setup_arch(char **cmdline_p)
printk(KERN_INFO "Initializing kernel\n");
/* Initialize command line */
*cmdline_p = c6x_command_line;
*cmdline_p = boot_command_line;
memory_end = ram_end;
memory_end &= ~(PAGE_SIZE - 1);

6
arch/c6x/kernel/vmlinux.lds.S
View file

@ -37,12 +37,6 @@ SECTIONS
_vectors_end = .;
}
. = ALIGN(0x1000);
.cmdline :
{
*(.cmdline)
}
/*
* This section contains data which may be shared with other
* cores. It needs to be a fixed offset from PAGE_OFFSET