[PATCH 1/4] fsl_msi: fix the conflict of virt_msir's chip_data

[Li Yang]

On Mon, Apr 19, 2010 at 8:19 PM, Kumar Gala <galak at kernel.crashing.org> wrote:
>
> On Apr 18, 2010, at 11:50 PM, Li Yang wrote:
>
>> On 4/19/2010 10:40 AM, Michael Ellerman wrote:
>>> On Fri, 2010-04-16 at 15:34 +0800, Li Yang wrote:
>>>
>>>> From: Zhao Chenhui<b26998 at freescale.com>
>>>>
>>>> In fsl_of_msi_probe(), the virt_msir's chip_data have been stored
>>>> the pointer to struct mpic. We add a struct fsl_msi_cascade_data
>>>> to store the pointer to struct fsl_msi and msir_index.  Otherwise,
>>>> the pointer to struct mpic will be over-written, and will cause
>>>> problem when calling eoi() of the irq.
>>>>
>>> I don't quite understand. Do you mean someone was overwriting
>>> handler_data somewhere?
>>>
>>
>> The patch at http://patchwork.ozlabs.org/patch/48794/ was overwriting the chip_data.  We move the newly added pointer to fsl_msi structure to the handler data.
>
> Let's fix that patch.

All right.  You can merge the two patches if you like it that way.

Thanks.
Leo