[PATCH v2 04/12] pm: at91: move the copying the sram function to the sram initializationi phase
From: Sergei Shtylyov <hidden>
Date: 2015-01-26 12:57:34
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Hello. On 1/26/2015 12:40 PM, Wenyou Yang wrote:
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 <redacted> Acked-by: Alexandre Belloni <redacted> --- arch/arm/mach-at91/pm.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
quoted hunk ↗ jump to hunk
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 */
You're not calling it here.
+ memcpy(slow_clock, at91_slow_clock, at91_slow_clock_sz); + put_node: of_node_put(node); }
WBR, Sergei