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mfd: do tcb6393xb state restore on resume only if requested

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As requested by Ian make state restore only if it's requested
by platform data: some platforms do correctly save the state of
the chip during suspend/resume, but some (like tosa) incorrectly
power off the chip at suspend, so the driver supports restoring
some bits of the tc6393xb state (not full, merely enough to support
resume on tosa). With this patch this code is disabled by default.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Acked-by: Ian Molton <spyro@f2s.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
This commit is contained in:
Dmitry Baryshkov
2008-09-24 23:46:10 +02:00
committed by Samuel Ortiz
parent 1c1b6ffce5
commit f98a0bd0e4
3 changed files with 40 additions and 40 deletions
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4
include/linux/mfd/tc6393xb.h
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@@ -33,6 +33,10 @@ struct tc6393xb_platform_data {
void (*teardown)(struct platform_device *dev);
struct tmio_nand_data *nand_data;
unsigned resume_restore : 1; /* make special actions
to preserve the state
on suspend/resume */
};
/*