1566 	u32 fbs = readl(port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()  local
1575 	writel(fbs | PORT_FBS_DEC, port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()
1576 	fbs = readl(port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()
1577 	while ((fbs & PORT_FBS_DEC) && retries--) {  in ahci_fbs_dec_intr()
1579 		fbs = readl(port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()
1582 	if (fbs & PORT_FBS_DEC)  in ahci_fbs_dec_intr()
1600 		u32 fbs = readl(port_mmio + PORT_FBS);  in ahci_error_intr()  local
1601 		int pmp = fbs >> PORT_FBS_DWE_OFFSET;  in ahci_error_intr()
1603 		if ((fbs & PORT_FBS_SDE) && (pmp < ap->nr_pmp_links)) {  in ahci_error_intr()
1905 		u32 fbs = readl(port_mmio + PORT_FBS);  in ahci_qc_issue()  local
1906 		fbs &= ~(PORT_FBS_DEV_MASK | PORT_FBS_DEC);  in ahci_qc_issue()
1907 		fbs |= qc->dev->link->pmp << PORT_FBS_DEV_OFFSET;  in ahci_qc_issue()
1908 		writel(fbs, port_mmio + PORT_FBS);  in ahci_qc_issue()
2076 	u32 fbs;  in ahci_enable_fbs()  local
2082 	fbs = readl(port_mmio + PORT_FBS);  in ahci_enable_fbs()
2083 	if (fbs & PORT_FBS_EN) {  in ahci_enable_fbs()
2093 	writel(fbs | PORT_FBS_EN, port_mmio + PORT_FBS);  in ahci_enable_fbs()
2094 	fbs = readl(port_mmio + PORT_FBS);  in ahci_enable_fbs()
2095 	if (fbs & PORT_FBS_EN) {  in ahci_enable_fbs()
2110 	u32 fbs;  in ahci_disable_fbs()  local
2116 	fbs = readl(port_mmio + PORT_FBS);  in ahci_disable_fbs()
2117 	if ((fbs & PORT_FBS_EN) == 0) {  in ahci_disable_fbs()
2126 	writel(fbs & ~PORT_FBS_EN, port_mmio + PORT_FBS);  in ahci_disable_fbs()
2127 	fbs = readl(port_mmio + PORT_FBS);  in ahci_disable_fbs()
2128 	if (fbs & PORT_FBS_EN)  in ahci_disable_fbs()