Messages in this thread | | | Subject | Re: [UIO] SMX UIO interface | From | Ben Nizette <> | Date | Thu, 2 Sep 2010 09:33:47 +1000 |
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On 01/09/2010, at 5:22 PM, Armin Steinhoff wrote:
> Hi Ben, > > I have a question about the SMX UIO Interface. > > In the SMX module you are reading the data of the platform resourses: > > regs = platform_get_resource(dev, IORESOURCE_MEM, 0); > if (!regs) { > dev_err(&dev->dev, "No memory resource specified\n"); > goto out_free; > } > > But who sets these data initially ?
Who ever sets up the platform device that will bind to this driver, usually the board code (eg on avr32 arch/avr32/boards/*/setup.c, ARM is somewhere under arch/arm/mach-*/ I think).
The board code would create an array of struct resource with the appropriate memory regions and an IRQ entry, create a struct platform_device with the right content to bind to that driver, set the platform_device .resource field to the previously created array then call platform_device_register() to kick things off.
--Ben.
> > Cheers > > --Armin >
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