KPSR
reg_val = readw(keypad->mmio_base + KPSR);
writew(reg_val, keypad->mmio_base + KPSR);
reg_val = readw(keypad->mmio_base + KPSR);
writew(reg_val, keypad->mmio_base + KPSR);
reg_val = readw(keypad->mmio_base + KPSR);
writew(reg_val, keypad->mmio_base + KPSR);
reg_val = readw(keypad->mmio_base + KPSR);
writew(reg_val, keypad->mmio_base + KPSR);
reg_val = readw(keypad->mmio_base + KPSR);
writew(reg_val, keypad->mmio_base + KPSR);
reg_val = readw(keypad->mmio_base + KPSR);
writew(reg_val, keypad->mmio_base + KPSR);
writew(reg_val, keypad->mmio_base + KPSR);
reg_val = readw(keypad->mmio_base + KPSR);
writew(reg_val, keypad->mmio_base + KPSR);
unsigned short reg_val = readw(kbd->mmio_base + KPSR);
writew(reg_val, kbd->mmio_base + KPSR);