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author | Dale Farnsworth <dale@farnsworth.org> | 2008-12-16 06:22:59 +0000 |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2008-12-23 15:13:28 +1100 |
commit | 2e8e4f5b80e101da588af650de0ff6b3c475d6b3 (patch) | |
tree | 5097f654aec290e9835e882e2c2aff1e27d0c980 /arch/powerpc/kernel/machine_kexec_64.c | |
parent | b906cfa397fdef8decbd36467b1f63c830a0bf2b (diff) | |
download | linux-stable-2e8e4f5b80e101da588af650de0ff6b3c475d6b3.tar.gz linux-stable-2e8e4f5b80e101da588af650de0ff6b3c475d6b3.tar.bz2 linux-stable-2e8e4f5b80e101da588af650de0ff6b3c475d6b3.zip |
powerpc: Setup OF properties for ppc32 kexec
Refactor the setting of kexec OF properties, moving the common code
from machine_kexec_64.c to machine_kexec.c where it can be used on
both ppc64 and ppc32. This is needed for kexec to work on ppc32
platforms.
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/machine_kexec_64.c')
-rw-r--r-- | arch/powerpc/kernel/machine_kexec_64.c | 24 |
1 files changed, 5 insertions, 19 deletions
diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c index 3c4ca046e854..a89bce834a51 100644 --- a/arch/powerpc/kernel/machine_kexec_64.c +++ b/arch/powerpc/kernel/machine_kexec_64.c @@ -289,7 +289,7 @@ void default_machine_kexec(struct kimage *image) } /* Values we need to export to the second kernel via the device tree. */ -static unsigned long htab_base, kernel_end; +static unsigned long htab_base; static struct property htab_base_prop = { .name = "linux,htab-base", @@ -303,25 +303,20 @@ static struct property htab_size_prop = { .value = &htab_size_bytes, }; -static struct property kernel_end_prop = { - .name = "linux,kernel-end", - .length = sizeof(unsigned long), - .value = &kernel_end, -}; - static void __init export_htab_values(void) { struct device_node *node; struct property *prop; + /* On machines with no htab htab_address is NULL */ + if (!htab_address) + return; + node = of_find_node_by_path("/chosen"); if (!node) return; /* remove any stale propertys so ours can be found */ - prop = of_find_property(node, kernel_end_prop.name, NULL); - if (prop) - prom_remove_property(node, prop); prop = of_find_property(node, htab_base_prop.name, NULL); if (prop) prom_remove_property(node, prop); @@ -329,19 +324,10 @@ static void __init export_htab_values(void) if (prop) prom_remove_property(node, prop); - /* information needed by userspace when using default_machine_kexec */ - kernel_end = __pa(_end); - prom_add_property(node, &kernel_end_prop); - - /* On machines with no htab htab_address is NULL */ - if (NULL == htab_address) - goto out; - htab_base = __pa(htab_address); prom_add_property(node, &htab_base_prop); prom_add_property(node, &htab_size_prop); - out: of_node_put(node); } |