1677 	u32 fbs = readl(port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()  local
1686 	writel(fbs | PORT_FBS_DEC, port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()
1687 	fbs = readl(port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()
1688 	while ((fbs & PORT_FBS_DEC) && retries--) {  in ahci_fbs_dec_intr()
1690 		fbs = readl(port_mmio + PORT_FBS);  in ahci_fbs_dec_intr()
1693 	if (fbs & PORT_FBS_DEC)  in ahci_fbs_dec_intr()
1711 		u32 fbs = readl(port_mmio + PORT_FBS);  in ahci_error_intr()  local
1712 		int pmp = fbs >> PORT_FBS_DWE_OFFSET;  in ahci_error_intr()
1714 		if ((fbs & PORT_FBS_SDE) && (pmp < ap->nr_pmp_links)) {  in ahci_error_intr()
2009 		u32 fbs = readl(port_mmio + PORT_FBS);  in ahci_qc_issue()  local
2010 		fbs &= ~(PORT_FBS_DEV_MASK | PORT_FBS_DEC);  in ahci_qc_issue()
2011 		fbs |= qc->dev->link->pmp << PORT_FBS_DEV_OFFSET;  in ahci_qc_issue()
2012 		writel(fbs, port_mmio + PORT_FBS);  in ahci_qc_issue()
2184 	u32 fbs;  in ahci_enable_fbs()  local
2190 	fbs = readl(port_mmio + PORT_FBS);  in ahci_enable_fbs()
2191 	if (fbs & PORT_FBS_EN) {  in ahci_enable_fbs()
2201 	writel(fbs | PORT_FBS_EN, port_mmio + PORT_FBS);  in ahci_enable_fbs()
2202 	fbs = readl(port_mmio + PORT_FBS);  in ahci_enable_fbs()
2203 	if (fbs & PORT_FBS_EN) {  in ahci_enable_fbs()
2218 	u32 fbs;  in ahci_disable_fbs()  local
2224 	fbs = readl(port_mmio + PORT_FBS);  in ahci_disable_fbs()
2225 	if ((fbs & PORT_FBS_EN) == 0) {  in ahci_disable_fbs()
2234 	writel(fbs & ~PORT_FBS_EN, port_mmio + PORT_FBS);  in ahci_disable_fbs()
2235 	fbs = readl(port_mmio + PORT_FBS);  in ahci_disable_fbs()
2236 	if (fbs & PORT_FBS_EN)  in ahci_disable_fbs()