PCI: pci-bridge-emul: Make struct pci_bridge_emul_ops as const

It is read-only constant structure, so properly mark it with const keyword.

Link: https://lore.kernel.org/r/20220104153529.31647-3-pali@kernel.orgSigned-off-by: NPali Rohár <pali@kernel.org>
Signed-off-by: NLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: NRob Herring <robh@kernel.org>
Acked-by: NThomas Petazzoni <thomas.petazzoni@bootlin.com>

drivers/pci/controller/pci-aardvark.c

@@ -928,7 +928,7 @@ advk_pci_bridge_emul_pcie_conf_write(struct pci_bridge_emul *bridge,
 	}
 }
 
-static struct pci_bridge_emul_ops advk_pci_bridge_emul_ops = {
+static const struct pci_bridge_emul_ops advk_pci_bridge_emul_ops = {
 	.read_base = advk_pci_bridge_emul_base_conf_read,
 	.write_base = advk_pci_bridge_emul_base_conf_write,
 	.read_pcie = advk_pci_bridge_emul_pcie_conf_read,

drivers/pci/controller/pci-mvebu.c

@@ -709,7 +709,7 @@ mvebu_pci_bridge_emul_pcie_conf_write(struct pci_bridge_emul *bridge,
 	}
 }
 
-static struct pci_bridge_emul_ops mvebu_pci_bridge_emul_ops = {
+static const struct pci_bridge_emul_ops mvebu_pci_bridge_emul_ops = {
 	.read_base = mvebu_pci_bridge_emul_base_conf_read,
 	.write_base = mvebu_pci_bridge_emul_base_conf_write,
 	.read_pcie = mvebu_pci_bridge_emul_pcie_conf_read,

drivers/pci/pci-bridge-emul.h

@@ -112,7 +112,7 @@ struct pci_bridge_reg_behavior;
 struct pci_bridge_emul {
 	struct pci_bridge_emul_conf conf;
 	struct pci_bridge_emul_pcie_conf pcie_conf;
-	struct pci_bridge_emul_ops *ops;
+	const struct pci_bridge_emul_ops *ops;
 	struct pci_bridge_reg_behavior *pci_regs_behavior;
 	struct pci_bridge_reg_behavior *pcie_cap_regs_behavior;
 	void *data;