1581 	u32 fbs = readl(port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()  local
1590 	writel(fbs | PORT_FBS_DEC, port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()
1591 	fbs = readl(port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()
1592 	while ((fbs & PORT_FBS_DEC) && retries--) {  in ahci_fbs_dec_intr()
1594 		fbs = readl(port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()
1597 	if (fbs & PORT_FBS_DEC)  in ahci_fbs_dec_intr()
1615 		u32 fbs = readl(port_mmio + PORT_FBS);  in ahci_error_intr()  local
1616 		int pmp = fbs >> PORT_FBS_DWE_OFFSET;  in ahci_error_intr()
1618 		if ((fbs & PORT_FBS_SDE) && (pmp < ap->nr_pmp_links)) {  in ahci_error_intr()
1966 		u32 fbs = readl(port_mmio + PORT_FBS);  in ahci_qc_issue()  local
1967 		fbs &= ~(PORT_FBS_DEV_MASK | PORT_FBS_DEC);  in ahci_qc_issue()
1968 		fbs |= qc->dev->link->pmp << PORT_FBS_DEV_OFFSET;  in ahci_qc_issue()
1969 		writel(fbs, port_mmio + PORT_FBS);  in ahci_qc_issue()
2137 	u32 fbs;  in ahci_enable_fbs()  local
2143 	fbs = readl(port_mmio + PORT_FBS);  in ahci_enable_fbs()
2144 	if (fbs & PORT_FBS_EN) {  in ahci_enable_fbs()
2154 	writel(fbs | PORT_FBS_EN, port_mmio + PORT_FBS);  in ahci_enable_fbs()
2155 	fbs = readl(port_mmio + PORT_FBS);  in ahci_enable_fbs()
2156 	if (fbs & PORT_FBS_EN) {  in ahci_enable_fbs()
2171 	u32 fbs;  in ahci_disable_fbs()  local
2177 	fbs = readl(port_mmio + PORT_FBS);  in ahci_disable_fbs()
2178 	if ((fbs & PORT_FBS_EN) == 0) {  in ahci_disable_fbs()
2187 	writel(fbs & ~PORT_FBS_EN, port_mmio + PORT_FBS);  in ahci_disable_fbs()
2188 	fbs = readl(port_mmio + PORT_FBS);  in ahci_disable_fbs()
2189 	if (fbs & PORT_FBS_EN)  in ahci_disable_fbs()