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i2c:pm_smbus: Fix state transfer

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Transfer the state information for the SMBus registers and
internal data so it will work on a VM transfer.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Corey Minyard 2016-12-22 12:28:23 -06:00
parent 8e995f3403
commit 4ab2f2a8aa
4 changed files with 56 additions and 1 deletions
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9
include/hw/i2c/pm_smbus.h
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@ -43,4 +43,13 @@ typedef struct PMSMBus {
void pm_smbus_init(DeviceState *parent, PMSMBus *smb, bool force_aux_blk);
/*
* For backwards compatibility on migration, older versions don't have
* working migration for pm_smbus, this lets us ignore the migrations
* for older machine versions.
*/
bool pm_smbus_vmstate_needed(void);
extern const VMStateDescription pmsmb_vmstate;
#endif /* PM_SMBUS_H */