1686 	u32 fbs = readl(port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()  local
1695 	writel(fbs | PORT_FBS_DEC, port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()
1696 	fbs = readl(port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()
1697 	while ((fbs & PORT_FBS_DEC) && retries--) {  in ahci_fbs_dec_intr()
1699 		fbs = readl(port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()
1702 	if (fbs & PORT_FBS_DEC)  in ahci_fbs_dec_intr()
1720 		u32 fbs = readl(port_mmio + PORT_FBS);  in ahci_error_intr()  local
1721 		int pmp = fbs >> PORT_FBS_DWE_OFFSET;  in ahci_error_intr()
1723 		if ((fbs & PORT_FBS_SDE) && (pmp < ap->nr_pmp_links)) {  in ahci_error_intr()
2018 		u32 fbs = readl(port_mmio + PORT_FBS);  in ahci_qc_issue()  local
2019 		fbs &= ~(PORT_FBS_DEV_MASK | PORT_FBS_DEC);  in ahci_qc_issue()
2020 		fbs |= qc->dev->link->pmp << PORT_FBS_DEV_OFFSET;  in ahci_qc_issue()
2021 		writel(fbs, port_mmio + PORT_FBS);  in ahci_qc_issue()
2193 	u32 fbs;  in ahci_enable_fbs()  local
2199 	fbs = readl(port_mmio + PORT_FBS);  in ahci_enable_fbs()
2200 	if (fbs & PORT_FBS_EN) {  in ahci_enable_fbs()
2210 	writel(fbs | PORT_FBS_EN, port_mmio + PORT_FBS);  in ahci_enable_fbs()
2211 	fbs = readl(port_mmio + PORT_FBS);  in ahci_enable_fbs()
2212 	if (fbs & PORT_FBS_EN) {  in ahci_enable_fbs()
2227 	u32 fbs;  in ahci_disable_fbs()  local
2233 	fbs = readl(port_mmio + PORT_FBS);  in ahci_disable_fbs()
2234 	if ((fbs & PORT_FBS_EN) == 0) {  in ahci_disable_fbs()
2243 	writel(fbs & ~PORT_FBS_EN, port_mmio + PORT_FBS);  in ahci_disable_fbs()
2244 	fbs = readl(port_mmio + PORT_FBS);  in ahci_disable_fbs()
2245 	if (fbs & PORT_FBS_EN)  in ahci_disable_fbs()