On Mon, Nov 28, 2016 at 05:26:18PM +0100, Alexandre Bailon wrote:
> There is no suspend / resume support for da8xx.
> Add the PM methods to da8xx glue.
> In addition, introduce a new quirk to not clear the devctl register.
> Clearing devctl will power off vbus on da8xx platform
> (when it is host mode) and then devices will be disconnected on resume.
>
> The quirk name (MUSB_PRESERVE_DEVCTL) doesn't seem good to me,
> so if anyone have better name, I will be happy to rename it.
Writting 0 to MUSB_DEVCTL register is basically to clear bit 0 to turn
off the session, so I think MUSB_PRESERVE_SESSION would be a better
name.
Regards,
-Bin.
> I think there is other ways to fix the VBUS issue but adding a quirk
> make the required changes harmless to other platform.
>
> Alexandre Bailon (3):
> usb: musb: da8xx: Add support of suspend / resume
> usb: musb: Add a quirk to preserve MUSB_DEVCTL during suspend
> usb: musb: da8xx: Fix host mode suspend
>
> drivers/usb/musb/da8xx.c | 33 +++--
> drivers/usb/musb/musb_core.c | 13 +++--
> drivers/usb/musb/musb_core.h | 1 +
> 3 files changed, 39 insertions(+), 8 deletions(-)
>
> --
> 2.7.3
>
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