diff options
Diffstat (limited to 'arch/arm/mach-omap2')
| -rw-r--r-- | arch/arm/mach-omap2/id.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 0289adcb6efb..ef32d11c4bca 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -18,6 +18,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/random.h> #include <linux/slab.h> #ifdef CONFIG_SOC_BUS @@ -130,6 +131,17 @@ void omap_get_die_id(struct omap_die_id *odi) odi->id_3 = read_tap_reg(OMAP_TAP_DIE_ID_3); } +static int __init omap_feed_randpool(void) +{ + struct omap_die_id odi; + + /* Throw the die ID into the entropy pool at boot */ + omap_get_die_id(&odi); + add_device_randomness(&odi, sizeof(odi)); + return 0; +} +omap_device_initcall(omap_feed_randpool); + void __init omap2xxx_check_revision(void) { int i, j; |