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authorIngo Molnar <mingo@kernel.org>2016-02-29 08:42:07 (GMT)
committerIngo Molnar <mingo@kernel.org>2016-02-29 08:42:07 (GMT)
commit6aa447bcbb444cd1b738613a20627f288d631665 (patch)
tree62030bb14be0006248181305ac1fe377a99e5b65 /arch/arm/mach-omap2/board-generic.c
parentabedf8e2419fb873d919dd74de2e84b510259339 (diff)
parent48be3a67da7413d62e5efbcf2c73a9dddf61fb96 (diff)
downloadlinux-6aa447bcbb444cd1b738613a20627f288d631665.tar.xz
Merge branch 'sched/urgent' into sched/core, to pick up fixes before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm/mach-omap2/board-generic.c')
-rw-r--r--arch/arm/mach-omap2/board-generic.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index 8098272..bab814d 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -18,6 +18,7 @@
#include <asm/setup.h>
#include <asm/mach/arch.h>
+#include <asm/system_info.h>
#include "common.h"
@@ -77,12 +78,31 @@ static const char *const n900_boards_compat[] __initconst = {
NULL,
};
+/* Set system_rev from atags */
+static void __init rx51_set_system_rev(const struct tag *tags)
+{
+ const struct tag *tag;
+
+ if (tags->hdr.tag != ATAG_CORE)
+ return;
+
+ for_each_tag(tag, tags) {
+ if (tag->hdr.tag == ATAG_REVISION) {
+ system_rev = tag->u.revision.rev;
+ break;
+ }
+ }
+}
+
/* Legacy userspace on Nokia N900 needs ATAGS exported in /proc/atags,
* save them while the data is still not overwritten
*/
static void __init rx51_reserve(void)
{
- save_atags((const struct tag *)(PAGE_OFFSET + 0x100));
+ const struct tag *tags = (const struct tag *)(PAGE_OFFSET + 0x100);
+
+ save_atags(tags);
+ rx51_set_system_rev(tags);
omap_reserve();
}