Messages in this thread | | | From | Linus Walleij <> | Date | Fri, 13 Jul 2018 09:11:58 +0200 | Subject | Re: [PATCH] gpio: mxc: add power management support |
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On Tue, Jul 10, 2018 at 9:53 AM Anson Huang <Anson.Huang@nxp.com> wrote:
> GPIO registers could lose context on some i.MX SoCs, > like on i.MX7D, when enter LPSR mode, the whole SoC > will be powered off except LPSR domain, GPIO banks > will lose context in this case, need to restore > the context after resume from LPSR mode. > > This patch adds GPIO save/restore for those necessary > registers, and put the save/restore operations in noirq > suspend/resume phase, since GPIO is fundamental module > which could be used by other peripherals' resume phase. > > Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Hoping for some review on this before applying... Fabio? Bartosz?
Yours, Linus Walleij
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