PCI: dwc: Remove dwc specific config accessor ops

Now that all the drivers needing custom config accessors have been
converted to define their own pci_ops, we can remove the DWC specific
function callbacks {rd,wr}_{own,other}_conf.

Link: https://lore.kernel.org/r/20200821035420.380495-13-robh@kernel.orgSigned-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Jingoo Han <jingoohan1@gmail.com>
Cc: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>

drivers/pci/controller/dwc/pcie-designware-host.c

@@ -26,9 +26,6 @@ static int dw_pcie_rd_own_conf(struct pcie_port *pp, int where, int size,
 {
 	struct dw_pcie *pci;
 
-	if (pp->ops->rd_own_conf)
-		return pp->ops->rd_own_conf(pp, where, size, val);
-
 	pci = to_dw_pcie_from_pp(pp);
 	return dw_pcie_read(pci->dbi_base + where, size, val);
 }
@@ -38,9 +35,6 @@ static int dw_pcie_wr_own_conf(struct pcie_port *pp, int where, int size,
 {
 	struct dw_pcie *pci;
 
-	if (pp->ops->wr_own_conf)
-		return pp->ops->wr_own_conf(pp, where, size, val);
-
 	pci = to_dw_pcie_from_pp(pp);
 	return dw_pcie_write(pci->dbi_base + where, size, val);
 }
@@ -537,10 +531,6 @@ static int dw_pcie_access_other_conf(struct pcie_port *pp, struct pci_bus *bus,
 static int dw_pcie_rd_other_conf(struct pcie_port *pp, struct pci_bus *bus,
 				 u32 devfn, int where, int size, u32 *val)
 {
-	if (pp->ops->rd_other_conf)
-		return pp->ops->rd_other_conf(pp, bus, devfn, where,
-					      size, val);
-
 	return dw_pcie_access_other_conf(pp, bus, devfn, where, size, val,
 					 false);
 }
@@ -548,10 +538,6 @@ static int dw_pcie_rd_other_conf(struct pcie_port *pp, struct pci_bus *bus,
 static int dw_pcie_wr_other_conf(struct pcie_port *pp, struct pci_bus *bus,
 				 u32 devfn, int where, int size, u32 val)
 {
-	if (pp->ops->wr_other_conf)
-		return pp->ops->wr_other_conf(pp, bus, devfn, where,
-					      size, val);
-
 	return dw_pcie_access_other_conf(pp, bus, devfn, where, size, &val,
 					 true);
 }

drivers/pci/controller/dwc/pcie-designware.h

@@ -160,12 +160,6 @@ enum dw_pcie_device_mode {
 };
 
 struct dw_pcie_host_ops {
-	int (*rd_own_conf)(struct pcie_port *pp, int where, int size, u32 *val);
-	int (*wr_own_conf)(struct pcie_port *pp, int where, int size, u32 val);
-	int (*rd_other_conf)(struct pcie_port *pp, struct pci_bus *bus,
-			     unsigned int devfn, int where, int size, u32 *val);
-	int (*wr_other_conf)(struct pcie_port *pp, struct pci_bus *bus,
-			     unsigned int devfn, int where, int size, u32 val);
 	int (*host_init)(struct pcie_port *pp);
 	void (*scan_bus)(struct pcie_port *pp);
 	void (*set_num_vectors)(struct pcie_port *pp);