void ap9x_pci_setup_wmac_btns(unsigned wmac, struct gpio_keys_button *btns,
unsigned num_btns, unsigned poll_interval);
struct ath9k_platform_data *ap9x_pci_get_wmac_data(unsigned wmac);
void ap9x_pci_setup_wmac_btns(unsigned wmac, struct gpio_keys_button *btns,
unsigned num_btns, unsigned poll_interval);
struct ath9k_platform_data *ap9x_pci_get_wmac_data(unsigned wmac);