BWFM_PCI_BAR0_REG_SIZE
page = reg & ~(BWFM_PCI_BAR0_REG_SIZE - 1);
offset = reg & (BWFM_PCI_BAR0_REG_SIZE - 1);
page = reg & ~(BWFM_PCI_BAR0_REG_SIZE - 1);
offset = reg & (BWFM_PCI_BAR0_REG_SIZE - 1);