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ssb: Turn suspend/resume upside down

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Turn the SSB bus suspend mechanism upside down.
Instead of deciding by an internal reference count when to suspend/resume,
let the parent bus call us in their suspend/resume routine.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Michael Buesch
2008-03-30 00:10:50 +01:00
committed by John W. Linville
parent 5100d5ac81
commit 8fe2b65a18
8 changed files with 89 additions and 68 deletions
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10
include/linux/ssb/ssb.h
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@ -260,9 +260,6 @@ struct ssb_bus {
struct ssb_device devices[SSB_MAX_NR_CORES];
u8 nr_devices;
/* Reference count. Number of suspended devices. */
u8 suspend_cnt;
/* Software ID number for this bus. */
unsigned int busnumber;
@ -334,6 +331,13 @@ extern int ssb_bus_pcmciabus_register(struct ssb_bus *bus,
extern void ssb_bus_unregister(struct ssb_bus *bus);
/* Suspend a SSB bus.
* Call this from the parent bus suspend routine. */
extern int ssb_bus_suspend(struct ssb_bus *bus);
/* Resume a SSB bus.
* Call this from the parent bus resume routine. */
extern int ssb_bus_resume(struct ssb_bus *bus);
extern u32 ssb_clockspeed(struct ssb_bus *bus);
/* Is the device enabled in hardware? */