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authorSudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>2013-06-17 12:58:45 +0100
committerSudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>2013-08-21 10:29:30 +0100
commitf86e4718f24b83be0c42894d2b97accc993d65d3 (patch)
tree4db96ad4430daf64920b689d516626ab2e09821a /drivers/base
parent973e02c1e89768d13be259bf77f88b5cfd16bade (diff)
driver/core: cpu: initialize of_node in cpu's device struture
CPUs are also registered as devices but the of_node in these cpu devices are not initialized. Currently different drivers requiring to access cpu device node are parsing the nodes themselves and initialising the of_node in cpu device. The of_node in all the cpu devices needs to be initialized properly and at one place. The best place to update this is CPU subsystem driver when registering the cpu devices. The OF/DT core library now provides of_get_cpu_node to retrieve a cpu device node for a given logical index by abstracting the architecture specific details. This patch uses of_get_cpu_node to assign of_node when registering the cpu devices. Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/cpu.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 4c358bc44c72..4cf071764be3 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -14,6 +14,7 @@
#include <linux/slab.h>
#include <linux/percpu.h>
#include <linux/acpi.h>
+#include <linux/of.h>
#include "base.h"
@@ -289,6 +290,7 @@ int register_cpu(struct cpu *cpu, int num)
cpu->dev.release = cpu_device_release;
cpu->dev.offline_disabled = !cpu->hotpluggable;
cpu->dev.offline = !cpu_online(num);
+ cpu->dev.of_node = of_get_cpu_node(num, NULL);
#ifdef CONFIG_ARCH_HAS_CPU_AUTOPROBE
cpu->dev.bus->uevent = arch_cpu_uevent;
#endif
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/* vi:set ts=8 sts=4 sw=4:
 *
 * VIM - Vi IMproved	by Bram Moolenaar
 *
 * Do ":help uganda"  in Vim to read copying and usage conditions.
 * Do ":help credits" in Vim to see a list of people who contributed.
 */

/*
 * This file defines the Ex commands.
 * When DO_DECLARE_EXCMD is defined, the table with ex command names and
 * options results.
 * When DO_DECLARE_EXCMD is NOT defined, the enum with all the Ex commands
 * results.
 * This clever trick was invented by Ron Aaron.
 */

/*
 * When adding an Ex command:
 * 1. Add an entry in the table below.  Keep it sorted on the shortest
 *    version of the command name that works.  If it doesn't start with a
 *    lower case letter, add it at the end.
 * 2. Add a "case: CMD_xxx" in the big switch in ex_docmd.c.
 * 3. Add an entry in the index for Ex commands at ":help ex-cmd-index".
 * 4. Add documentation in ../doc/xxx.txt.  Add a tag for both the short and
 *    long name of the command.
 */

#ifdef RANGE
# undef RANGE			/* SASC on Amiga defines it */
#endif

#define RANGE		0x001	/* allow a linespecs */
#define BANG		0x002	/* allow a ! after the command name */
#define EXTRA		0x004	/* allow extra args after command name */
#define XFILE		0x008	/* expand wildcards in extra part */
#define NOSPC		0x010	/* no spaces allowed in the extra part */
#define	DFLALL		0x020	/* default file range is 1,$ */
#define WHOLEFOLD	0x040	/* extend range to include whole fold also
				   when less than two numbers given */
#define NEEDARG		0x080	/* argument required */
#define TRLBAR		0x100	/* check for trailing vertical bar */
#define REGSTR		0x200	/* allow "x for register designation */
#define COUNT		0x400	/* allow count in argument, after command */
#define NOTRLCOM	0x800	/* no trailing comment allowed */
#define ZEROR	       0x1000	/* zero line number allowed */
#define USECTRLV       0x2000	/* do not remove CTRL-V from argument */
#define NOTADR	       0x4000	/* number before command is not an address */
#define EDITCMD	       0x8000	/* allow "+command" argument */
#define BUFNAME	      0x10000L	/* accepts buffer name */
#define BUFUNL	      0x20000L	/* accepts unlisted buffer too */
#define ARGOPT	      0x40000L	/* allow "++opt=val" argument */
#define SBOXOK	      0x80000L	/* allowed in the sandbox */
#define CMDWIN	     0x100000L	/* allowed in cmdline window */
#define MODIFY       0x200000L  /* forbidden in non-'modifiable' buffer */
#define EXFLAGS      0x400000L	/* allow flags after count in argument */
#define FILES	(XFILE | EXTRA)	/* multiple extra files allowed */
#define WORD1	(EXTRA | NOSPC)	/* one extra word allowed */
#define FILE1	(FILES | NOSPC)	/* 1 file allowed, defaults to current file */

#ifndef DO_DECLARE_EXCMD
typedef struct exarg exarg_T;
#endif

/*
 * This array maps ex command names to command codes.
 * The order in which command names are listed below is significant --
 * ambiguous abbreviations are always resolved to be the first possible match
 * (e.g. "r" is taken to mean "read", not "rewind", because "read" comes
 * before "rewind").
 * Not supported commands are included to avoid ambiguities.
 */
#ifdef EX
# undef EX	    /* just in case */
#endif
#ifdef DO_DECLARE_EXCMD
# define EX(a, b, c, d)  {(char_u *)b, c, d}

typedef void (*ex_func_T) __ARGS((exarg_T *eap));

static struct cmdname
{
    char_u	*cmd_name;	/* name of the command */
    ex_func_T   cmd_func;	/* function for this command */
    long_u	cmd_argt;	/* flags declared above */
}
# if defined(FEAT_GUI_W16)
_far
# endif
cmdnames[] =
#else
# define EX(a, b, c, d)  a
enum CMD_index
#endif
{
EX(CMD_append,		"append",	ex_append,
			BANG|RANGE|ZEROR|TRLBAR|CMDWIN|MODIFY),
EX(CMD_abbreviate,	"abbreviate",	ex_abbreviate,
			EXTRA|TRLBAR|NOTRLCOM|USECTRLV|CMDWIN),
EX(CMD_abclear,		"abclear",	ex_abclear,
			EXTRA|TRLBAR|CMDWIN),
EX(CMD_aboveleft,	"aboveleft",	ex_wrongmodifier,
			NEEDARG|EXTRA|NOTRLCOM),
EX(CMD_all,		"all",		ex_all,
			RANGE|NOTADR|COUNT|TRLBAR),
EX(CMD_amenu,		"amenu",	ex_menu,
			RANGE|NOTADR|ZEROR|EXTRA|TRLBAR|NOTRLCOM|USECTRLV|CMDWIN),
EX(CMD_anoremenu,	"anoremenu",	ex_menu,
			RANGE|NOTADR|ZEROR|EXTRA|TRLBAR|NOTRLCOM|USECTRLV|CMDWIN),
EX(CMD_args,		"args",		ex_args,
			BANG|FILES|EDITCMD|ARGOPT|TRLBAR),
EX(CMD_argadd,		"argadd",	ex_argadd,
			BANG|NEEDARG|RANGE|NOTADR|ZEROR|FILES|TRLBAR),
EX(CMD_argdelete,	"argdelete",	ex_argdelete,
			BANG|RANGE|NOTADR|FILES|TRLBAR),
EX(CMD_argdo,		"argdo",	ex_listdo,
			BANG|NEEDARG|EXTRA|NOTRLCOM),
EX(CMD_argedit,		"argedit",	ex_argedit,
			BANG|NEEDARG|RANGE|NOTADR|FILE1|EDITCMD|TRLBAR),
EX(CMD_argglobal,	"argglobal",	ex_args,
			BANG|FILES|EDITCMD|ARGOPT|TRLBAR),
EX(CMD_arglocal,	"arglocal",	ex_args,
			BANG|FILES|EDITCMD|ARGOPT|TRLBAR),
EX(CMD_argument,	"argument",	ex_argument,
			BANG|RANGE|NOTADR|COUNT|EXTRA|EDITCMD|ARGOPT|TRLBAR),
EX(CMD_ascii,		"ascii",	do_ascii,
			TRLBAR|SBOXOK|CMDWIN),