1671 	u32 fbs = readl(port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()  local
1680 	writel(fbs | PORT_FBS_DEC, port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()
1681 	fbs = readl(port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()
1682 	while ((fbs & PORT_FBS_DEC) && retries--) {  in ahci_fbs_dec_intr()
1684 		fbs = readl(port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()
1687 	if (fbs & PORT_FBS_DEC)  in ahci_fbs_dec_intr()
1705 		u32 fbs = readl(port_mmio + PORT_FBS);  in ahci_error_intr()  local
1706 		int pmp = fbs >> PORT_FBS_DWE_OFFSET;  in ahci_error_intr()
1708 		if ((fbs & PORT_FBS_SDE) && (pmp < ap->nr_pmp_links)) {  in ahci_error_intr()
2003 		u32 fbs = readl(port_mmio + PORT_FBS);  in ahci_qc_issue()  local
2004 		fbs &= ~(PORT_FBS_DEV_MASK | PORT_FBS_DEC);  in ahci_qc_issue()
2005 		fbs |= qc->dev->link->pmp << PORT_FBS_DEV_OFFSET;  in ahci_qc_issue()
2006 		writel(fbs, port_mmio + PORT_FBS);  in ahci_qc_issue()
2178 	u32 fbs;  in ahci_enable_fbs()  local
2184 	fbs = readl(port_mmio + PORT_FBS);  in ahci_enable_fbs()
2185 	if (fbs & PORT_FBS_EN) {  in ahci_enable_fbs()
2195 	writel(fbs | PORT_FBS_EN, port_mmio + PORT_FBS);  in ahci_enable_fbs()
2196 	fbs = readl(port_mmio + PORT_FBS);  in ahci_enable_fbs()
2197 	if (fbs & PORT_FBS_EN) {  in ahci_enable_fbs()
2212 	u32 fbs;  in ahci_disable_fbs()  local
2218 	fbs = readl(port_mmio + PORT_FBS);  in ahci_disable_fbs()
2219 	if ((fbs & PORT_FBS_EN) == 0) {  in ahci_disable_fbs()
2228 	writel(fbs & ~PORT_FBS_EN, port_mmio + PORT_FBS);  in ahci_disable_fbs()
2229 	fbs = readl(port_mmio + PORT_FBS);  in ahci_disable_fbs()
2230 	if (fbs & PORT_FBS_EN)  in ahci_disable_fbs()