[RFC PATCH v0.2] PCI: Add support for tango PCIe host bridge

[Mason]

On 24/03/2017 19:22, Marc Zyngier wrote:

> You cannot directly use a pointer to a u32 in any of the bitmap
> operations. You need to copy the value to an unsigned long, and
> apply the bitmap op on that.

On my platform, find_first_zero_bit() resolves to

  int _find_first_zero_bit_le(const void * p, unsigned size);

If the underlying implementation actually expects an unsigned long
pointer, should the function prototype be changed?

Regards.