On Thu, Apr 03, 2014 at 11:25:34AM +0000, Pallala, Ramakrishna wrote:
> >> In non ACPI environment I used to initialize the platform_data under
> >> board or platforms files. Under ACPI how do I do that?
> >
> >If you can't extract that information from ACPI namespace, then one option is to pass platform data along with the device ACPI ID:
> >
> >static const struct acpi_device_id my_acpi_match[] = {
> > { "MYID0001", (kernel_ulong_t)&my_platform_data }
> > ...
> > { },
> >};
>
> Thanks for the Quick reply.
>
> So If I want to use different platform_data for different boards can I
> do something like below?
Exactly.
> And initialize the platform data in either driver or in separate module
> which gets compiled along with driver?
Typically it has been done in the same driver but I don't see any problems
having a separate module as well.
> static const struct acpi_device_id my_acpi_match[] = {
> { "MYID0001", (kernel_ulong_t)&my_platform_data1 }
> { "MYID0002", (kernel_ulong_t)&my_platform_data2 }
> ...
> { },
>
> Thanks,
> Ram
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