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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-02-26 14:41:00 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-02-26 14:41:00 +1100
commit874f2f997dbe041a6c6e509dae8656ed9022d65d (patch)
tree61898165882041ef7f9beaf2ef6663a1a4d3c29a /arch
parent071c06cb570d38efe23a124e885f2f3e643a9206 (diff)
parent6ebdc661b608671e9ca572af8bb42d58108cc008 (diff)
Merge commit 'origin/master' into next
Manual merge of: drivers/char/hvc_console.c drivers/char/hvc_console.h
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/include/asm/cacheflush.h3
-rw-r--r--arch/arm/kernel/setup.c1
-rw-r--r--arch/arm/mach-gemini/gpio.c4
-rw-r--r--arch/arm/mach-omap2/mux.c12
-rw-r--r--arch/arm/mm/alignment.c3
-rw-r--r--arch/arm/tools/mach-types46
-rw-r--r--arch/ia64/include/asm/acpi.h1
-rw-r--r--arch/ia64/sn/kernel/setup.c2
-rw-r--r--arch/microblaze/Kconfig1
-rw-r--r--arch/microblaze/include/asm/io.h2
-rw-r--r--arch/microblaze/include/asm/prom.h20
-rw-r--r--arch/microblaze/kernel/cpu/cache.c27
-rw-r--r--arch/microblaze/kernel/of_platform.c2
-rw-r--r--arch/microblaze/kernel/prom.c990
-rw-r--r--arch/mips/bcm47xx/prom.c8
-rw-r--r--arch/mips/mm/highmem.c1
-rw-r--r--arch/parisc/Kconfig1
-rw-r--r--arch/parisc/kernel/pci.c7
-rw-r--r--arch/powerpc/Kconfig1
-rw-r--r--arch/powerpc/include/asm/prom.h18
-rw-r--r--arch/powerpc/kernel/of_platform.c2
-rw-r--r--arch/powerpc/kernel/pci_64.c2
-rw-r--r--arch/powerpc/kernel/prom.c887
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_mds.c3
-rw-r--r--arch/powerpc/platforms/85xx/xes_mpc85xx.c4
-rw-r--r--arch/powerpc/platforms/cell/cbe_powerbutton.c2
-rw-r--r--arch/powerpc/platforms/cell/ras.c2
-rw-r--r--arch/powerpc/platforms/cell/spu_manage.c6
-rw-r--r--arch/powerpc/platforms/pasemi/cpufreq.c4
-rw-r--r--arch/powerpc/platforms/powermac/cpufreq_32.c14
-rw-r--r--arch/powerpc/platforms/powermac/cpufreq_64.c14
-rw-r--r--arch/powerpc/platforms/powermac/feature.c2
-rw-r--r--arch/powerpc/platforms/powermac/pfunc_core.c2
-rw-r--r--arch/powerpc/platforms/powermac/smp.c12
-rw-r--r--arch/powerpc/platforms/powermac/time.c8
-rw-r--r--arch/powerpc/platforms/powermac/udbg_scc.c6
-rw-r--r--arch/powerpc/sysdev/grackle.c4
-rw-r--r--arch/sparc/include/asm/stat.h4
-rw-r--r--arch/sparc/kernel/devices.c2
-rw-r--r--arch/sparc/kernel/kstack.h4
-rw-r--r--arch/sparc/kernel/of_device_32.c4
-rw-r--r--arch/sparc/kernel/of_device_64.c2
-rw-r--r--arch/sparc/kernel/pci.c7
-rw-r--r--arch/sparc/kernel/prom.h3
-rw-r--r--arch/sparc/kernel/prom_common.c18
-rw-r--r--arch/sparc/kernel/smp_64.c2
-rw-r--r--arch/sparc/kernel/tsb.S6
-rw-r--r--arch/x86/include/asm/processor.h2
-rw-r--r--arch/x86/kernel/acpi/boot.c8
-rw-r--r--arch/x86/kernel/hw_breakpoint.c30
-rw-r--r--arch/x86/kernel/ptrace.c7
51 files changed, 230 insertions, 1993 deletions
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index c77d2fa1f6e5..8113bb5fb66e 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -42,7 +42,8 @@
#endif
#if defined(CONFIG_CPU_ARM920T) || defined(CONFIG_CPU_ARM922T) || \
- defined(CONFIG_CPU_ARM925T) || defined(CONFIG_CPU_ARM1020)
+ defined(CONFIG_CPU_ARM925T) || defined(CONFIG_CPU_ARM1020) || \
+ defined(CONFIG_CPU_ARM1026)
# define MULTI_CACHE 1
#endif
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index c6c57b640b6b..621acad8ea43 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -102,6 +102,7 @@ struct cpu_cache_fns cpu_cache;
#endif
#ifdef CONFIG_OUTER_CACHE
struct outer_cache_fns outer_cache;
+EXPORT_SYMBOL(outer_cache);
#endif
struct stack {
diff --git a/arch/arm/mach-gemini/gpio.c b/arch/arm/mach-gemini/gpio.c
index e7263854bc7b..fe3bd5ac8b10 100644
--- a/arch/arm/mach-gemini/gpio.c
+++ b/arch/arm/mach-gemini/gpio.c
@@ -86,7 +86,7 @@ static int gpio_set_irq_type(unsigned int irq, unsigned int type)
unsigned int reg_both, reg_level, reg_type;
reg_type = __raw_readl(base + GPIO_INT_TYPE);
- reg_level = __raw_readl(base + GPIO_INT_BOTH_EDGE);
+ reg_level = __raw_readl(base + GPIO_INT_LEVEL);
reg_both = __raw_readl(base + GPIO_INT_BOTH_EDGE);
switch (type) {
@@ -117,7 +117,7 @@ static int gpio_set_irq_type(unsigned int irq, unsigned int type)
}
__raw_writel(reg_type, base + GPIO_INT_TYPE);
- __raw_writel(reg_level, base + GPIO_INT_BOTH_EDGE);
+ __raw_writel(reg_level, base + GPIO_INT_LEVEL);
__raw_writel(reg_both, base + GPIO_INT_BOTH_EDGE);
gpio_ack_irq(irq);
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 5fedc50c58e4..5fef73f4743d 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -961,16 +961,14 @@ static void __init omap_mux_init_list(struct omap_mux *superset)
while (superset->reg_offset != OMAP_MUX_TERMINATOR) {
struct omap_mux *entry;
-#ifndef CONFIG_OMAP_MUX
- /* Skip pins that are not muxed as GPIO by bootloader */
- if (!OMAP_MODE_GPIO(omap_mux_read(superset->reg_offset))) {
+#ifdef CONFIG_OMAP_MUX
+ if (!superset->muxnames || !superset->muxnames[0]) {
superset++;
continue;
}
-#endif
-
-#if defined(CONFIG_OMAP_MUX) && defined(CONFIG_DEBUG_FS)
- if (!superset->muxnames || !superset->muxnames[0]) {
+#else
+ /* Skip pins that are not muxed as GPIO by bootloader */
+ if (!OMAP_MODE_GPIO(omap_mux_read(superset->reg_offset))) {
superset++;
continue;
}
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index b270d6228fe2..62820eda84d9 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -11,6 +11,7 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
+#include <linux/moduleparam.h>
#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/errno.h>
@@ -77,6 +78,8 @@ static unsigned long ai_dword;
static unsigned long ai_multi;
static int ai_usermode;
+core_param(alignment, ai_usermode, int, 0600);
+
#define UM_WARN (1 << 0)
#define UM_FIXUP (1 << 1)
#define UM_SIGNAL (1 << 2)
diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types
index 5a79fc6ee818..31c2f4c30a95 100644
--- a/arch/arm/tools/mach-types
+++ b/arch/arm/tools/mach-types
@@ -12,7 +12,7 @@
#
# http://www.arm.linux.org.uk/developer/machines/?action=new
#
-# Last update: Thu Jan 28 22:15:54 2010
+# Last update: Sat Feb 20 14:16:15 2010
#
# machine_is_xxx CONFIG_xxxx MACH_TYPE_xxx number
#
@@ -2257,7 +2257,7 @@ oratisalog MACH_ORATISALOG ORATISALOG 2268
oratismadi MACH_ORATISMADI ORATISMADI 2269
oratisot16 MACH_ORATISOT16 ORATISOT16 2270
oratisdesk MACH_ORATISDESK ORATISDESK 2271
-v2_ca9 MACH_V2P_CA9 V2P_CA9 2272
+vexpress MACH_VEXPRESS VEXPRESS 2272
sintexo MACH_SINTEXO SINTEXO 2273
cm3389 MACH_CM3389 CM3389 2274
omap3_cio MACH_OMAP3_CIO OMAP3_CIO 2275
@@ -2636,3 +2636,45 @@ hw90240 MACH_HW90240 HW90240 2648
dm365_leopard MACH_DM365_LEOPARD DM365_LEOPARD 2649
mityomapl138 MACH_MITYOMAPL138 MITYOMAPL138 2650
scat110 MACH_SCAT110 SCAT110 2651
+acer_a1 MACH_ACER_A1 ACER_A1 2652
+cmcontrol MACH_CMCONTROL CMCONTROL 2653
+pelco_lamar MACH_PELCO_LAMAR PELCO_LAMAR 2654
+rfp43 MACH_RFP43 RFP43 2655
+sk86r0301 MACH_SK86R0301 SK86R0301 2656
+ctpxa MACH_CTPXA CTPXA 2657
+epb_arm9_a MACH_EPB_ARM9_A EPB_ARM9_A 2658
+guruplug MACH_GURUPLUG GURUPLUG 2659
+spear310 MACH_SPEAR310 SPEAR310 2660
+spear320 MACH_SPEAR320 SPEAR320 2661
+robotx MACH_ROBOTX ROBOTX 2662
+lsxhl MACH_LSXHL LSXHL 2663
+smartlite MACH_SMARTLITE SMARTLITE 2664
+cws2 MACH_CWS2 CWS2 2665
+m619 MACH_M619 M619 2666
+smartview MACH_SMARTVIEW SMARTVIEW 2667
+lsa_salsa MACH_LSA_SALSA LSA_SALSA 2668
+kizbox MACH_KIZBOX KIZBOX 2669
+htccharmer MACH_HTCCHARMER HTCCHARMER 2670
+guf_neso_lt MACH_GUF_NESO_LT GUF_NESO_LT 2671
+pm9g45 MACH_PM9G45 PM9G45 2672
+htcpanther MACH_HTCPANTHER HTCPANTHER 2673
+htcpanther_cdma MACH_HTCPANTHER_CDMA HTCPANTHER_CDMA 2674
+reb01 MACH_REB01 REB01 2675
+aquila MACH_AQUILA AQUILA 2676
+spark_sls_hw2 MACH_SPARK_SLS_HW2 SPARK_SLS_HW2 2677
+sheeva_esata MACH_ESATA_SHEEVAPLUG ESATA_SHEEVAPLUG 2678
+surf7x30 MACH_SURF7X30 SURF7X30 2679
+micro2440 MACH_MICRO2440 MICRO2440 2680
+am2440 MACH_AM2440 AM2440 2681
+tq2440 MACH_TQ2440 TQ2440 2682
+lpc2478oem MACH_LPC2478OEM LPC2478OEM 2683
+ak880x MACH_AK880X AK880X 2684
+cobra3530 MACH_COBRA3530 COBRA3530 2685
+pmppb MACH_PMPPB PMPPB 2686
+u6715 MACH_U6715 U6715 2687
+axar1500_sender MACH_AXAR1500_SENDER AXAR1500_SENDER 2688
+g30_dvb MACH_G30_DVB G30_DVB 2689
+vc088x MACH_VC088X VC088X 2690
+mioa702 MACH_MIOA702 MIOA702 2691
+hpmin MACH_HPMIN HPMIN 2692
+ak880xak MACH_AK880XAK AK880XAK 2693
diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h
index 7ae58892ba8d..e97b255d97bc 100644
--- a/arch/ia64/include/asm/acpi.h
+++ b/arch/ia64/include/asm/acpi.h
@@ -94,6 +94,7 @@ ia64_acpi_release_global_lock (unsigned int *lock)
#define acpi_noirq 0 /* ACPI always enabled on IA64 */
#define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */
#define acpi_strict 1 /* no ACPI spec workarounds on IA64 */
+#define acpi_ht 0 /* no HT-only mode on IA64 */
#endif
#define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */
static inline void disable_acpi(void) { }
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
index ece1bf994499..e456f062f241 100644
--- a/arch/ia64/sn/kernel/setup.c
+++ b/arch/ia64/sn/kernel/setup.c
@@ -71,7 +71,7 @@ EXPORT_SYMBOL(sn_rtc_cycles_per_second);
DEFINE_PER_CPU(struct sn_hub_info_s, __sn_hub_info);
EXPORT_PER_CPU_SYMBOL(__sn_hub_info);
-DEFINE_PER_CPU(short [MAX_COMPACT_NODES], __sn_cnodeid_to_nasid);
+DEFINE_PER_CPU(short, __sn_cnodeid_to_nasid[MAX_COMPACT_NODES]);
EXPORT_PER_CPU_SYMBOL(__sn_cnodeid_to_nasid);
DEFINE_PER_CPU(struct nodepda_s *, __sn_nodepda);
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index cd5837e298b2..b008168ae946 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -130,6 +130,7 @@ config CMDLINE_FORCE
config OF
def_bool y
+ select OF_FLATTREE
config PROC_DEVICETREE
bool "Support for device tree in /proc"
diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h
index fc9997b73c09..267c7c779e53 100644
--- a/arch/microblaze/include/asm/io.h
+++ b/arch/microblaze/include/asm/io.h
@@ -217,7 +217,7 @@ static inline void __iomem *__ioremap(phys_addr_t address, unsigned long size,
* Little endian
*/
-#define out_le32(a, v) __raw_writel(__cpu_to_le32(v), (a));
+#define out_le32(a, v) __raw_writel(__cpu_to_le32(v), (a))
#define out_le16(a, v) __raw_writew(__cpu_to_le16(v), (a))
#define in_le32(a) __le32_to_cpu(__raw_readl(a))
diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h
index ef3ec1d6ceb3..03f45a963204 100644
--- a/arch/microblaze/include/asm/prom.h
+++ b/arch/microblaze/include/asm/prom.h
@@ -26,31 +26,11 @@
#include <asm/irq.h>
#include <asm/atomic.h>
-#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 1
-#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
-
-#define of_compat_cmp(s1, s2, l) strncasecmp((s1), (s2), (l))
-#define of_prop_cmp(s1, s2) strcmp((s1), (s2))
-#define of_node_cmp(s1, s2) strcasecmp((s1), (s2))
-
-extern struct device_node *of_chosen;
-
#define HAVE_ARCH_DEVTREE_FIXUPS
-extern struct device_node *allnodes; /* temporary while merging */
-extern rwlock_t devtree_lock; /* temporary while merging */
-
-/* For updating the device tree at runtime */
-extern void of_attach_node(struct device_node *);
-extern void of_detach_node(struct device_node *);
-
/* Other Prototypes */
extern int early_uartlite_console(void);
-extern struct resource *request_OF_resource(struct device_node *node,
- int index, const char *name_postfix);
-extern int release_OF_resource(struct device_node *node, int index);
-
/*
* OF address retreival & translation
*/
diff --git a/arch/microblaze/kernel/cpu/cache.c b/arch/microblaze/kernel/cpu/cache.c
index d9d63831cc2f..2a56bccce4e0 100644
--- a/arch/microblaze/kernel/cpu/cache.c
+++ b/arch/microblaze/kernel/cpu/cache.c
@@ -172,16 +172,15 @@ do { \
/* It is used only first parameter for OP - for wic, wdc */
#define CACHE_RANGE_LOOP_1(start, end, line_length, op) \
do { \
- int step = -line_length; \
- int count = end - start; \
- BUG_ON(count <= 0); \
+ int volatile temp; \
+ BUG_ON(end - start <= 0); \
\
- __asm__ __volatile__ (" 1: addk %0, %0, %1; \
- " #op " %0, r0; \
- bgtid %1, 1b; \
- addk %1, %1, %2; \
- " : : "r" (start), "r" (count), \
- "r" (step) : "memory"); \
+ __asm__ __volatile__ (" 1: " #op " %1, r0; \
+ cmpu %0, %1, %2; \
+ bgtid %0, 1b; \
+ addk %1, %1, %3; \
+ " : : "r" (temp), "r" (start), "r" (end),\
+ "r" (line_length) : "memory"); \
} while (0);
static void __flush_icache_range_msr_irq(unsigned long start, unsigned long end)
@@ -313,16 +312,6 @@ static void __invalidate_dcache_all_wb(void)
pr_debug("%s\n", __func__);
CACHE_ALL_LOOP2(cpuinfo.dcache_size, cpuinfo.dcache_line_length,
wdc.clear)
-
-#if 0
- unsigned int i;
-
- pr_debug("%s\n", __func__);
-
- /* Just loop through cache size and invalidate it */
- for (i = 0; i < cpuinfo.dcache_size; i += cpuinfo.dcache_line_length)
- __invalidate_dcache(0, i);
-#endif
}
static void __invalidate_dcache_range_wb(unsigned long start,
diff --git a/arch/microblaze/kernel/of_platform.c b/arch/microblaze/kernel/of_platform.c
index acf4574d0f18..1c6d684996d7 100644
--- a/arch/microblaze/kernel/of_platform.c
+++ b/arch/microblaze/kernel/of_platform.c
@@ -185,7 +185,7 @@ EXPORT_SYMBOL(of_find_device_by_node);
static int of_dev_phandle_match(struct device *dev, void *data)
{
phandle *ph = data;
- return to_of_device(dev)->node->linux_phandle == *ph;
+ return to_of_device(dev)->node->phandle == *ph;
}
struct of_device *of_find_device_by_phandle(phandle ph)
diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c
index b817df172aa9..a15ef6d67ca9 100644
--- a/arch/microblaze/kernel/prom.c
+++ b/arch/microblaze/kernel/prom.c
@@ -42,698 +42,21 @@
#include <asm/sections.h>
#include <asm/pci-bridge.h>
-static int __initdata dt_root_addr_cells;
-static int __initdata dt_root_size_cells;
-
-typedef u32 cell_t;
-
-static struct boot_param_header *initial_boot_params;
-
-/* export that to outside world */
-struct device_node *of_chosen;
-
-static inline char *find_flat_dt_string(u32 offset)
-{
- return ((char *)initial_boot_params) +
- initial_boot_params->off_dt_strings + offset;
-}
-
-/**
- * This function is used to scan the flattened device-tree, it is
- * used to extract the memory informations at boot before we can
- * unflatten the tree
- */
-int __init of_scan_flat_dt(int (*it)(unsigned long node,
- const char *uname, int depth,
- void *data),
- void *data)
-{
- unsigned long p = ((unsigned long)initial_boot_params) +
- initial_boot_params->off_dt_struct;
- int rc = 0;
- int depth = -1;
-
- do {
- u32 tag = *((u32 *)p);
- char *pathp;
-
- p += 4;
- if (tag == OF_DT_END_NODE) {
- depth--;
- continue;
- }
- if (tag == OF_DT_NOP)
- continue;
- if (tag == OF_DT_END)
- break;
- if (tag == OF_DT_PROP) {
- u32 sz = *((u32 *)p);
- p += 8;
- if (initial_boot_params->version < 0x10)
- p = _ALIGN(p, sz >= 8 ? 8 : 4);
- p += sz;
- p = _ALIGN(p, 4);
- continue;
- }
- if (tag != OF_DT_BEGIN_NODE) {
- printk(KERN_WARNING "Invalid tag %x scanning flattened"
- " device tree !\n", tag);
- return -EINVAL;
- }
- depth++;
- pathp = (char *)p;
- p = _ALIGN(p + strlen(pathp) + 1, 4);
- if ((*pathp) == '/') {
- char *lp, *np;
- for (lp = NULL, np = pathp; *np; np++)
- if ((*np) == '/')
- lp = np+1;
- if (lp != NULL)
- pathp = lp;
- }
- rc = it(p, pathp, depth, data);
- if (rc != 0)
- break;
- } while (1);
-
- return rc;
-}
-
-unsigned long __init of_get_flat_dt_root(void)
-{
- unsigned long p = ((unsigned long)initial_boot_params) +
- initial_boot_params->off_dt_struct;
-
- while (*((u32 *)p) == OF_DT_NOP)
- p += 4;
- BUG_ON(*((u32 *)p) != OF_DT_BEGIN_NODE);
- p += 4;
- return _ALIGN(p + strlen((char *)p) + 1, 4);
-}
-
-/**
- * This function can be used within scan_flattened_dt callback to get
- * access to properties
- */
-void *__init of_get_flat_dt_prop(unsigned long node, const char *name,
- unsigned long *size)
-{
- unsigned long p = node;
-
- do {
- u32 tag = *((u32 *)p);
- u32 sz, noff;
- const char *nstr;
-
- p += 4;
- if (tag == OF_DT_NOP)
- continue;
- if (tag != OF_DT_PROP)
- return NULL;
-
- sz = *((u32 *)p);
- noff = *((u32 *)(p + 4));
- p += 8;
- if (initial_boot_params->version < 0x10)
- p = _ALIGN(p, sz >= 8 ? 8 : 4);
-
- nstr = find_flat_dt_string(noff);
- if (nstr == NULL) {
- printk(KERN_WARNING "Can't find property index"
- " name !\n");
- return NULL;
- }
- if (strcmp(name, nstr) == 0) {
- if (size)
- *size = sz;
- return (void *)p;
- }
- p += sz;
- p = _ALIGN(p, 4);
- } while (1);
-}
-
-int __init of_flat_dt_is_compatible(unsigned long node, const char *compat)
-{
- const char *cp;
- unsigned long cplen, l;
-
- cp = of_get_flat_dt_prop(node, "compatible", &cplen);
- if (cp == NULL)
- return 0;
- while (cplen > 0) {
- if (strncasecmp(cp, compat, strlen(compat)) == 0)
- return 1;
- l = strlen(cp) + 1;
- cp += l;
- cplen -= l;
- }
-
- return 0;
-}
-
-static void *__init unflatten_dt_alloc(unsigned long *mem, unsigned long size,
- unsigned long align)
-{
- void *res;
-
- *mem = _ALIGN(*mem, align);
- res = (void *)*mem;
- *mem += size;
-
- return res;
-}
-
-static unsigned long __init unflatten_dt_node(unsigned long mem,
- unsigned long *p,
- struct device_node *dad,
- struct device_node ***allnextpp,
- unsigned long fpsize)
-{
- struct device_node *np;
- struct property *pp, **prev_pp = NULL;
- char *pathp;
- u32 tag;
- unsigned int l, allocl;
- int has_name = 0;
- int new_format = 0;
-
- tag = *((u32 *)(*p));
- if (tag != OF_DT_BEGIN_NODE) {
- printk("Weird tag at start of node: %x\n", tag);
- return mem;
- }
- *p += 4;
- pathp = (char *)*p;
- l = allocl = strlen(pathp) + 1;
- *p = _ALIGN(*p + l, 4);
-
- /* version 0x10 has a more compact unit name here instead of the full
- * path. we accumulate the full path size using "fpsize", we'll rebuild
- * it later. We detect this because the first character of the name is
- * not '/'.
- */
- if ((*pathp) != '/') {
- new_format = 1;
- if (fpsize == 0) {
- /* root node: special case. fpsize accounts for path
- * plus terminating zero. root node only has '/', so
- * fpsize should be 2, but we want to avoid the first
- * level nodes to have two '/' so we use fpsize 1 here
- */
- fpsize = 1;
- allocl = 2;
- } else {
- /* account for '/' and path size minus terminal 0
- * already in 'l'
- */
- fpsize += l;
- allocl = fpsize;
- }
- }
-
- np = unflatten_dt_alloc(&mem, sizeof(struct device_node) + allocl,
- __alignof__(struct device_node));
- if (allnextpp) {
- memset(np, 0, sizeof(*np));
- np->full_name = ((char *)np) + sizeof(struct device_node);
- if (new_format) {
- char *p2 = np->full_name;
- /* rebuild full path for new format */
- if (dad && dad->parent) {
- strcpy(p2, dad->full_name);
-#ifdef DEBUG
- if ((strlen(p2) + l + 1) != allocl) {
- pr_debug("%s: p: %d, l: %d, a: %d\n",
- pathp, (int)strlen(p2),
- l, allocl);
- }
-#endif
- p2 += strlen(p2);
- }
- *(p2++) = '/';
- memcpy(p2, pathp, l);
- } else
- memcpy(np->full_name, pathp, l);
- prev_pp = &np->properties;
- **allnextpp = np;
- *allnextpp = &np->allnext;
- if (dad != NULL) {
- np->parent = dad;
- /* we temporarily use the next field as `last_child'*/
- if (dad->next == NULL)
- dad->child = np;
- else
- dad->next->sibling = np;
- dad->next = np;
- }
- kref_init(&np->kref);
- }
- while (1) {
- u32 sz, noff;
- char *pname;
-
- tag = *((u32 *)(*p));
- if (tag == OF_DT_NOP) {
- *p += 4;
- continue;
- }
- if (tag != OF_DT_PROP)
- break;
- *p += 4;
- sz = *((u32 *)(*p));
- noff = *((u32 *)((*p) + 4));
- *p += 8;
- if (initial_boot_params->version < 0x10)
- *p = _ALIGN(*p, sz >= 8 ? 8 : 4);
-
- pname = find_flat_dt_string(noff);
- if (pname == NULL) {
- printk(KERN_INFO
- "Can't find property name in list !\n");
- break;
- }
- if (strcmp(pname, "name") == 0)
- has_name = 1;
- l = strlen(pname) + 1;
- pp = unflatten_dt_alloc(&mem, sizeof(struct property),
- __alignof__(struct property));
- if (allnextpp) {
- if (strcmp(pname, "linux,phandle") == 0) {
- np->node = *((u32 *)*p);
- if (np->linux_phandle == 0)
- np->linux_phandle = np->node;
- }
- if (strcmp(pname, "ibm,phandle") == 0)
- np->linux_phandle = *((u32 *)*p);
- pp->name = pname;
- pp->length = sz;
- pp->value = (void *)*p;
- *prev_pp = pp;
- prev_pp = &pp->next;
- }
- *p = _ALIGN((*p) + sz, 4);
- }
- /* with version 0x10 we may not have the name property, recreate
- * it here from the unit name if absent
- */
- if (!has_name) {
- char *p1 = pathp, *ps = pathp, *pa = NULL;
- int sz;
-
- while (*p1) {
- if ((*p1) == '@')
- pa = p1;
- if ((*p1) == '/')
- ps = p1 + 1;
- p1++;
- }
- if (pa < ps)
- pa = p1;
- sz = (pa - ps) + 1;
- pp = unflatten_dt_alloc(&mem, sizeof(struct property) + sz,
- __alignof__(struct property));
- if (allnextpp) {
- pp->name = "name";
- pp->length = sz;
- pp->value = pp + 1;
- *prev_pp = pp;
- prev_pp = &pp->next;
- memcpy(pp->value, ps, sz - 1);
- ((char *)pp->value)[sz - 1] = 0;
- pr_debug("fixed up name for %s -> %s\n", pathp,
- (char *)pp->value);
- }
- }
- if (allnextpp) {
- *prev_pp = NULL;
- np->name = of_get_property(np, "name", NULL);
- np->type = of_get_property(np, "device_type", NULL);
-
- if (!np->name)
- np->name = "<NULL>";
- if (!np->type)
- np->type = "<NULL>";
- }
- while (tag == OF_DT_BEGIN_NODE) {
- mem = unflatten_dt_node(mem, p, np, allnextpp, fpsize);
- tag = *((u32 *)(*p));
- }
- if (tag != OF_DT_END_NODE) {
- printk(KERN_INFO "Weird tag at end of node: %x\n", tag);
- return mem;
- }
- *p += 4;
- return mem;
-}
-
-/**
- * unflattens the device-tree passed by the firmware, creating the
- * tree of struct device_node. It also fills the "name" and "type"
- * pointers of the nodes so the normal device-tree walking functions
- * can be used (this used to be done by finish_device_tree)
- */
-void __init unflatten_device_tree(void)
-{
- unsigned long start, mem, size;
- struct device_node **allnextp = &allnodes;
-
- pr_debug(" -> unflatten_device_tree()\n");
-
- /* First pass, scan for size */
- start = ((unsigned long)initial_boot_params) +
- initial_boot_params->off_dt_struct;
- size = unflatten_dt_node(0, &start, NULL, NULL, 0);
- size = (size | 3) + 1;
-
- pr_debug(" size is %lx, allocating...\n", size);
-
- /* Allocate memory for the expanded device tree */
- mem = lmb_alloc(size + 4, __alignof__(struct device_node));
- mem = (unsigned long) __va(mem);
-
- ((u32 *)mem)[size /