RE: Device usb1 failed to suspend: error -16

Gupta, Ajay Kumar
2010-01-12T11:40:40Z

> -----Original Message-----
> From: linux-omap-owner@vger.kernel.org [mailto:linux-omap-
> owner@vger.kernel.org] On Behalf Of Weng, Wending
> Sent: Tuesday, January 12, 2010 12:34 AM
> To: linux-omap
> Subject: PM: Device usb1 failed to suspend: error -16
>
> Hi All,
>
> I tried to suspend the system, and got the following messages:
>
> PM: Syncing filesystems ... done.
> Freezing user space processes ... (elapsed 0.00 seconds) done.
> Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done.
> Suspending console(s) (use no_console_suspend to debug)
> musb_bus_suspend 2261: trying to suspend as a_host while active
> pm_op(): usb_dev_suspend+0x0/0x8 returns -16
> PM: Device usb1 failed to suspend: error -16
> PM: Some devices failed to suspend

You need to apply MUSB and EHCI patches to fix this.

MUSB PM patch is already submitted (at [1]) and is in queue.
I plan to submit OMAP EHCI PM patch after some cleanups.

[1] http://marc.info/?l=linux-usb&m=126200057420865&w=2

-Ajay
> Restarting tasks ... Segmentation fault
> done.
>
> I use linux-omap-2.6.git, should I use the branch linux-omap-pm? Thanks.
>
> Wending Weng
> Software Engineer at Rheinmetall
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