diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c
index e6c403be09a9..4b6808ff0e5d 100644
--- a/drivers/pnp/interface.c
+++ b/drivers/pnp/interface.c
@@ -346,41 +346,41 @@ static ssize_t resources_store(struct device *dmdev,
 	}
 
 	buf = skip_spaces(buf);
-	if (!strnicmp(buf, "disable", 7)) {
+	if (!strncasecmp(buf, "disable", 7)) {
 		retval = pnp_disable_dev(dev);
 		goto done;
 	}
-	if (!strnicmp(buf, "activate", 8)) {
+	if (!strncasecmp(buf, "activate", 8)) {
 		retval = pnp_activate_dev(dev);
 		goto done;
 	}
-	if (!strnicmp(buf, "fill", 4)) {
+	if (!strncasecmp(buf, "fill", 4)) {
 		if (dev->active)
 			goto done;
 		retval = pnp_auto_config_dev(dev);
 		goto done;
 	}
-	if (!strnicmp(buf, "auto", 4)) {
+	if (!strncasecmp(buf, "auto", 4)) {
 		if (dev->active)
 			goto done;
 		pnp_init_resources(dev);
 		retval = pnp_auto_config_dev(dev);
 		goto done;
 	}
-	if (!strnicmp(buf, "clear", 5)) {
+	if (!strncasecmp(buf, "clear", 5)) {
 		if (dev->active)
 			goto done;
 		pnp_init_resources(dev);
 		goto done;
 	}
-	if (!strnicmp(buf, "get", 3)) {
+	if (!strncasecmp(buf, "get", 3)) {
 		mutex_lock(&pnp_res_mutex);
 		if (pnp_can_read(dev))
 			dev->protocol->get(dev);
 		mutex_unlock(&pnp_res_mutex);
 		goto done;
 	}
-	if (!strnicmp(buf, "set", 3)) {
+	if (!strncasecmp(buf, "set", 3)) {
 		resource_size_t start;
 		resource_size_t end;
 		unsigned long flags;
@@ -392,31 +392,31 @@ static ssize_t resources_store(struct device *dmdev,
 		mutex_lock(&pnp_res_mutex);
 		while (1) {
 			buf = skip_spaces(buf);
-			if (!strnicmp(buf, "io", 2)) {
+			if (!strncasecmp(buf, "io", 2)) {
 				buf = pnp_get_resource_value(buf + 2,
 							     IORESOURCE_IO,
 							     &start, &end,
 							     &flags);
 				pnp_add_io_resource(dev, start, end, flags);
-			} else if (!strnicmp(buf, "mem", 3)) {
+			} else if (!strncasecmp(buf, "mem", 3)) {
 				buf = pnp_get_resource_value(buf + 3,
 							     IORESOURCE_MEM,
 							     &start, &end,
 							     &flags);
 				pnp_add_mem_resource(dev, start, end, flags);
-			} else if (!strnicmp(buf, "irq", 3)) {
+			} else if (!strncasecmp(buf, "irq", 3)) {
 				buf = pnp_get_resource_value(buf + 3,
 							     IORESOURCE_IRQ,
 							     &start, NULL,
 							     &flags);
 				pnp_add_irq_resource(dev, start, flags);
-			} else if (!strnicmp(buf, "dma", 3)) {
+			} else if (!strncasecmp(buf, "dma", 3)) {
 				buf = pnp_get_resource_value(buf + 3,
 							     IORESOURCE_DMA,
 							     &start, NULL,
 							     &flags);
 				pnp_add_dma_resource(dev, start, flags);
-			} else if (!strnicmp(buf, "bus", 3)) {
+			} else if (!strncasecmp(buf, "bus", 3)) {
 				buf = pnp_get_resource_value(buf + 3,
 							     IORESOURCE_BUS,
 							     &start, &end,