diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c
index c6493ad..18e85cc 100644
--- a/drivers/parport/parport_pc.c
+++ b/drivers/parport/parport_pc.c
@@ -1169,7 +1169,7 @@
 
 /* GCC is not inlining extern inline function later overwriten to non-inline,
    so we use outlined_ variants here.  */
-static struct parport_operations parport_pc_ops =
+static const struct parport_operations parport_pc_ops =
 {
 	.write_data	= parport_pc_write_data,
 	.read_data	= parport_pc_read_data,
@@ -1211,10 +1211,11 @@
 static void __devinit show_parconfig_smsc37c669(int io, int key)
 {
 	int cr1,cr4,cra,cr23,cr26,cr27,i=0;
-	static const char *modes[]={ "SPP and Bidirectional (PS/2)",	
-				     "EPP and SPP",
-				     "ECP",
-				     "ECP and EPP" };
+	static const char *const modes[]={
+		"SPP and Bidirectional (PS/2)",
+		"EPP and SPP",
+		"ECP",
+		"ECP and EPP" };
 
 	outb(key,io);
 	outb(key,io);
@@ -1288,7 +1289,7 @@
 static void __devinit show_parconfig_winbond(int io, int key)
 {
 	int cr30,cr60,cr61,cr70,cr74,crf0,i=0;
-	static const char *modes[] = {
+	static const char *const modes[] = {
 		"Standard (SPP) and Bidirectional(PS/2)", /* 0 */
 		"EPP-1.9 and SPP",
 		"ECP",
@@ -1297,7 +1298,9 @@
 		"EPP-1.7 and SPP",		/* 5 */
 		"undefined!",
 		"ECP and EPP-1.7" };
-	static char *irqtypes[] = { "pulsed low, high-Z", "follows nACK" };
+	static char *const irqtypes[] = {
+		"pulsed low, high-Z",
+		"follows nACK" };
 		
 	/* The registers are called compatible-PnP because the
            register layout is modelled after ISA-PnP, the access
@@ -2396,7 +2399,8 @@
 
 /* ITE support maintained by Rich Liu <richliu@poorman.org> */
 static int __devinit sio_ite_8872_probe (struct pci_dev *pdev, int autoirq,
-					 int autodma, struct parport_pc_via_data *via)
+					 int autodma,
+					 const struct parport_pc_via_data *via)
 {
 	short inta_addr[6] = { 0x2A0, 0x2C0, 0x220, 0x240, 0x1E0 };
 	struct resource *base_res;
@@ -2524,7 +2528,8 @@
 };
 
 static int __devinit sio_via_probe (struct pci_dev *pdev, int autoirq,
-					 int autodma, struct parport_pc_via_data *via)
+				    int autodma,
+				    const struct parport_pc_via_data *via)
 {
 	u8 tmp, tmp2, siofunc;
 	u8 ppcontrol = 0;
@@ -2694,8 +2699,9 @@
 
 /* each element directly indexed from enum list, above */
 static struct parport_pc_superio {
-	int (*probe) (struct pci_dev *pdev, int autoirq, int autodma, struct parport_pc_via_data *via);
-	struct parport_pc_via_data *via;
+	int (*probe) (struct pci_dev *pdev, int autoirq, int autodma,
+		      const struct parport_pc_via_data *via);
+	const struct parport_pc_via_data *via;
 } parport_pc_superio_info[] __devinitdata = {
 	{ sio_via_probe, &via_686a_data, },
 	{ sio_via_probe, &via_8231_data, },
@@ -2828,7 +2834,7 @@
 	/* netmos_9815 */               { 2, { { 0, -1 }, { 2, -1 }, } }, /* untested */
 };
 
-static struct pci_device_id parport_pc_pci_tbl[] = {
+static const struct pci_device_id parport_pc_pci_tbl[] = {
 	/* Super-IO onboard chips */
 	{ 0x1106, 0x0686, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sio_via_686a },
 	{ 0x1106, 0x8231, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sio_via_8231 },
diff --git a/drivers/parport/probe.c b/drivers/parport/probe.c
index 5c29e82..b62aee8 100644
--- a/drivers/parport/probe.c
+++ b/drivers/parport/probe.c
@@ -11,9 +11,9 @@
 #include <linux/string.h>
 #include <asm/uaccess.h>
 
-static struct {
-	char *token;
-	char *descr;
+static const struct {
+	const char *token;
+	const char *descr;
 } classes[] = {
 	{ "",            "Legacy device" },
 	{ "PRINTER",     "Printer" },