1676 	u32 fbs = readl(port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()  local
1685 	writel(fbs | PORT_FBS_DEC, port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()
1686 	fbs = readl(port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()
1687 	while ((fbs & PORT_FBS_DEC) && retries--) {  in ahci_fbs_dec_intr()
1689 		fbs = readl(port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()
1692 	if (fbs & PORT_FBS_DEC)  in ahci_fbs_dec_intr()
1710 		u32 fbs = readl(port_mmio + PORT_FBS);  in ahci_error_intr()  local
1711 		int pmp = fbs >> PORT_FBS_DWE_OFFSET;  in ahci_error_intr()
1713 		if ((fbs & PORT_FBS_SDE) && (pmp < ap->nr_pmp_links)) {  in ahci_error_intr()
2008 		u32 fbs = readl(port_mmio + PORT_FBS);  in ahci_qc_issue()  local
2009 		fbs &= ~(PORT_FBS_DEV_MASK | PORT_FBS_DEC);  in ahci_qc_issue()
2010 		fbs |= qc->dev->link->pmp << PORT_FBS_DEV_OFFSET;  in ahci_qc_issue()
2011 		writel(fbs, port_mmio + PORT_FBS);  in ahci_qc_issue()
2183 	u32 fbs;  in ahci_enable_fbs()  local
2189 	fbs = readl(port_mmio + PORT_FBS);  in ahci_enable_fbs()
2190 	if (fbs & PORT_FBS_EN) {  in ahci_enable_fbs()
2200 	writel(fbs | PORT_FBS_EN, port_mmio + PORT_FBS);  in ahci_enable_fbs()
2201 	fbs = readl(port_mmio + PORT_FBS);  in ahci_enable_fbs()
2202 	if (fbs & PORT_FBS_EN) {  in ahci_enable_fbs()
2217 	u32 fbs;  in ahci_disable_fbs()  local
2223 	fbs = readl(port_mmio + PORT_FBS);  in ahci_disable_fbs()
2224 	if ((fbs & PORT_FBS_EN) == 0) {  in ahci_disable_fbs()
2233 	writel(fbs & ~PORT_FBS_EN, port_mmio + PORT_FBS);  in ahci_disable_fbs()
2234 	fbs = readl(port_mmio + PORT_FBS);  in ahci_disable_fbs()
2235 	if (fbs & PORT_FBS_EN)  in ahci_disable_fbs()