On Fri, Apr 15, 2016 at 01:59:12PM +0530, Gadre Nayan wrote:
> Dear all,
>
> I am trying to test a dummy UIO driver to get timer interrupt events
> in Userspace.
>
> I register the UIO driver as a platform driver:
>
> static struct platform_device *uio_dummy_device;
>
> static struct device_driver uio_dummy_driver = {
> .name = "uio_dummy",
> .bus = &platform_bus_type,
> .probe = uio_dummy_probe,
> .remove = uio_dummy_remove,
> .shutdown = uio_dummy_shutdown,
> };
>
> /*
> * Main initialization/remove routines
> */
> static int __init uio_dummy_init(void)
> {
> printk("uio_dummy_init( )\n" );
> uio_dummy_device = platform_device_register_simple("uio_dummy", -1,
> NULL, 0);
Why are you using a platform driver and device on x86? That's not going
to work at all, as your device doesn't have an irq. Please use this on
a "real" device that has an interrupt assigned to it.
hope this helps,
greg k-h
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