Re: Warning at ahci_enable_ahci() during resume

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On Friday, March 28, 2014 at 03:38:53 PM, Fabio Estevam wrote:
> Hi,
> 
> I am running linux-next 20140328 on a mx6qsabresd board and I am
> getting the following warning at ahci_enable_ahci() during a
> suspend/resume cycle:
> 
> /$ echo mem > /sys/power/state
> PM: Syncing filesystems ... done.
> Freezing user space processes ... (elapsed 0.001 seconds) done.
> Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
> Suspending console(s) (use no_console_suspend to debug)
> 
> , and then I press the GPIO key to wake-up the system:

Looks like the AHCI link doesn't come up again. Can you check if the clock are 
enabled? Are the correct bits programmed into the MX6's AHCI registers? Also see 
imx_sata_enable() function for the bits which are programmed into the GPR 
registers too and check if they are there.

Best regards,
Marek Vasut
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