To decrease the suspend time, move the copying the sram function
to the sram initialization phase, instead of every time go to suspend.
Signed-off-by: Wenyou Yang <wenyou.y...@atmel.com>
Acked-by: Alexandre Belloni <alexandre.bell...@free-electrons.com>
---
arch/arm/mach-at91/pm.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 5dd4e41..409185e 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -161,10 +161,6 @@ static int at91_pm_enter(suspend_state_t state)
* turning off the main oscillator; reverse on wakeup.
*/
if (slow_clock) {
-#ifdef CONFIG_AT91_SLOW_CLOCK
- /* copy slow_clock handler to SRAM, and call it
*/
- memcpy(slow_clock, at91_slow_clock,
at91_slow_clock_sz);
-#endif
slow_clock(at91_pmc_base, at91_ramc_base[0],
at91_ramc_base[1],
at91_pm_data.memctrl);
@@ -272,6 +268,9 @@ static void __init at91_pm_sram_init(void)
sram_pbase = gen_pool_virt_to_phys(sram_pool, sram_base);
slow_clock = __arm_ioremap_exec(sram_pbase, at91_slow_clock_sz, false);
+ /* Copy slow_clock handler to SRAM, and call it */
+ memcpy(slow_clock, at91_slow_clock, at91_slow_clock_sz);
+
put_node:
of_node_put(node);
}
--
1.7.9.5
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