Re: [PATCH] sata_nv: sgpio for nvidia mcp55 -v2

[Yinghai Lu <yinghai@kernel.org>]

Yan Seiner wrote:
> Yinghai Lu wrote:
>> Yan Seiner wrote:
>>  
>>> Yinghai Lu wrote:
>>>    
>>>> Impact: new features
>>>>
>>>> based on patch on
>>>>     http://marc.info/?l=linux-ide&m=116289338705418&w=2
>>>>
>>>> 1. update the patch for 2.6.19 to latest upstream ( 2.6.28?)
>>>> 2. fix shared sgpio to support several mcp55 + io55, so every mcp55
>>>> have
>>>>    seperate spinlock
>>>> 3. use scratch_source as numbering of sgpio instead of address of
>>>> struct,
>>>>    so could go through kexec/kdump
>>>>
>>>> v2: revert NV_ON and NV_OFF, so turn on Activity LED all the time when
>>>> disk is idle.
>>>>         
>>> I've tried both this patch and the previous version; neither does
>>> anything for me.  I am patching a vanilla 2.6.28.1 kernel.  :-(
>>>
>>> I am running an Asus M2N-SLI Deluxe:
>>>
>>> 00:04.0 IDE interface: nVidia Corporation MCP55 IDE (rev a1)
>>> 00:05.0 IDE interface: nVidia Corporation MCP55 SATA Controller (rev a2)
>>> 00:05.1 IDE interface: nVidia Corporation MCP55 SATA Controller (rev a2)
>>> 00:05.2 IDE interface: nVidia Corporation MCP55 SATA Controller (rev a2)
>>>
>>> All 6 channels are in use.  All of the drive activity lights are lit all
>>> the time.
>>>     
>>
>> can you boot with "debug" in command line?
>>
>> wonder if your system has SGPIO etc backplane.
>>   
> It has a Norco LIB-700 backplane.  The backplane claims to have drive
> activity LEDs as well as power LEDs, and two LEDs do light up for each
> drive....
> 
> http://www.ipcdirect.net/servlet/Detail?no=75
> http://www.norco.net.cn/UpLoadFile/Datasheet/DS-600S-EN.pdf
> 
> Is there any way to set and read the GPIO from userspace?
> 
> I haven't tried v3 of the patch and I can't shut the system down ATM to
> reboot with the debug parameter.

please try -v3 and boot with debug in command line, then post bootlog.

YH