Messages in this thread | | | Date | Sun, 15 Jul 2018 18:59:26 +0200 | From | Pavel Machek <> | Subject | Re: [PATCH v3 3/3] regulator: bd9571mwv: Document "backup_mode" sysfs file |
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On Fri 2018-07-13 17:47:20, Geert Uytterhoeven wrote: > Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> + following steps must be followed exactly: > + 1. Configure PMIC for backup mode, to change the role of > + the accessory power switch from a power switch to a > + wake-up switch, > + 2. Switch accessory power switch off, to prepare for > + system suspend, which is a manual step not controlled > + by software, > + 3. Suspend system, > + 4. Switch accessory power switch on, to resume the > + system. > + DDR Backup Mode must be explicitly enabled by the user, > + to invoke step 1.
I'd add "please don't design hardware like that" :-). Anyway,
Acked-by: Pavel Machek <pavel@ucw.cz>
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