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| author | Theodore Ts'o <tytso@mit.edu> | 2012-07-15 02:27:52 +0200 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2012-07-19 16:38:32 +0200 |
| commit | c5857ccf293968348e5eb4ebedc68074de3dcda6 (patch) | |
| tree | 33b74f247459881a9dfdaafd6eb2756c3894521a /drivers/char | |
| parent | mfd: wm831x: Feed the device UUID into device_add_randomness() (diff) | |
| download | linux-c5857ccf293968348e5eb4ebedc68074de3dcda6.tar.xz linux-c5857ccf293968348e5eb4ebedc68074de3dcda6.zip | |
random: remove rand_initialize_irq()
With the new interrupt sampling system, we are no longer using the
timer_rand_state structure in the irq descriptor, so we can stop
initializing it now.
[ Merged in fixes from Sedat to find some last missing references to
rand_initialize_irq() ]
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Sedat Dilek <sedat.dilek@gmail.com>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/random.c | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/drivers/char/random.c b/drivers/char/random.c index e3180852ec85..9793b40f5754 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -634,43 +634,6 @@ struct timer_rand_state { unsigned dont_count_entropy:1; }; -#ifndef CONFIG_GENERIC_HARDIRQS - -static struct timer_rand_state *irq_timer_state[NR_IRQS]; - -static struct timer_rand_state *get_timer_rand_state(unsigned int irq) -{ - return irq_timer_state[irq]; -} - -static void set_timer_rand_state(unsigned int irq, - struct timer_rand_state *state) -{ - irq_timer_state[irq] = state; -} - -#else - -static struct timer_rand_state *get_timer_rand_state(unsigned int irq) -{ - struct irq_desc *desc; - - desc = irq_to_desc(irq); - - return desc->timer_rand_state; -} - -static void set_timer_rand_state(unsigned int irq, - struct timer_rand_state *state) -{ - struct irq_desc *desc; - - desc = irq_to_desc(irq); - - desc->timer_rand_state = state; -} -#endif - /* * Add device- or boot-specific data to the input and nonblocking * pools to help initialize them to unique values. @@ -1133,24 +1096,6 @@ static int rand_initialize(void) } module_init(rand_initialize); -void rand_initialize_irq(int irq) -{ - struct timer_rand_state *state; - - state = get_timer_rand_state(irq); - - if (state) - return; - - /* - * If kzalloc returns null, we just won't use that entropy - * source. - */ - state = kzalloc(sizeof(struct timer_rand_state), GFP_KERNEL); - if (state) - set_timer_rand_state(irq, state); -} - #ifdef CONFIG_BLOCK void rand_initialize_disk(struct gendisk *disk) { |