Re: [patch 1/1] input: bcm5974: retract efi-broken suspend_resume

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Dmitry Torokhov wrote:
> Henrik,
> 
> On Thu, Mar 11, 2010 at 02:04:58PM -0800, akpm@xxxxxxxxxxxxxxxxxxxx wrote:
>> From: "Henrik Rydberg" <rydberg@xxxxxxxxxxx>
>>
>> With the recent system-wide improvements on suspend/resume and EFI booting
>> the suspend_resume method of the bcm5974 has broken.  When waking up from
>> the S3 state on the MacBookAir, the trackpad is found in a yet unknown
>> state, unable to switch to the proper multitouch mode.  The result is a
>> frozen touchpad, and a flood of errors of the kind
>>
>> bcm5974: bad trackpad package, length: 8.
>>
>> This patch retracts the reset_resume method altogether, falling back on
>> the generic unbind/rebind functionality of the usb layer until further
>> investigations can be made as how to reset the device when booting from
>> efi.
> 
> Is the driver still broken on EFI without this patch? I was hoping if I
> ignore the patch long enough EFI will get fixed ;)
> 
> Thanks.
> 

The problem persists in all grub-efi flavors of version 1.97. I have not been
able to test later versions.

Henrik





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