On Wed, Oct 15, 2014 at 11:07:04AM +0800, Yijing Wang wrote:
> +static inline struct msi_chip *pci_msi_chip(struct pci_bus *bus)
> +{
> +	struct pci_controller *control = (struct pci_controller *)bus->sysdata;
bus->sysdata is void * so this cast is unnecessary.
  Ralf