sh: Allow boards to register memory pre/post sleep code
Add code to allow boards registering self-contained functions for going to/from self-refresh. At this point the board code is unused. When all supported boards have been converted then the new sleep code will make use of these functions. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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@ -30,6 +30,10 @@ extern struct atomic_notifier_head sh_mobile_post_sleep_notifier_list;
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#define SH_MOBILE_PRE(x) (x)
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#define SH_MOBILE_POST(x) (-(x))
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/* board code registration function for self-refresh assembly snippets */
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void sh_mobile_register_self_refresh(unsigned long flags,
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void *pre_start, void *pre_end,
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void *post_start, void *post_end);
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#endif
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/* flags passed to assembly suspend code */
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@ -60,6 +60,12 @@ void sh_mobile_call_standby(unsigned long mode)
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mode, NULL);
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}
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void sh_mobile_register_self_refresh(unsigned long flags,
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void *pre_start, void *pre_end,
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void *post_start, void *post_end)
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{
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}
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static int sh_pm_enter(suspend_state_t state)
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{
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local_irq_disable();
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