firmware: clean up samples for coding style issues

This fixes up a number of coding style issues in the firmware sample files.

Yeah, it still doesn't build properly yet, that's next...


Cc: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

samples/firmware_class/firmware_sample_driver.c

@@ -12,8 +12,7 @@
 #include <linux/init.h>
 #include <linux/device.h>
 #include <linux/string.h>
-
-#include "linux/firmware.h"
+#include <linux/firmware.h>
 
 static struct device ghost_device = {
 	.bus_id    = "ghost0",
@@ -32,10 +31,13 @@ static void sample_probe_default(void)
 {
 	/* uses the default method to get the firmware */
 	const struct firmware *fw_entry;
-	printk(KERN_INFO "firmware_sample_driver: a ghost device got inserted :)\n");
+	int retval;
 
-        if(request_firmware(&fw_entry, "sample_driver_fw", &ghost_device)!=0)
-	{
+	printk(KERN_INFO "firmware_sample_driver: "
+		"a ghost device got inserted :)\n");
+
+	retval = request_firmware(&fw_entry, "sample_driver_fw", &ghost_device);
+	if (retval) {
 		printk(KERN_ERR
 		       "firmware_sample_driver: Firmware not available\n");
 		return;
@@ -47,17 +49,20 @@ static void sample_probe_default(void)
 
 	/* finish setting up the device */
 }
+
 static void sample_probe_specific(void)
 {
+	int retval;
 	/* Uses some specific hotplug support to get the firmware from
 	 * userspace  directly into the hardware, or via some sysfs file */
 
 	/* NOTE: This currently doesn't work */
 
-	printk(KERN_INFO "firmware_sample_driver: a ghost device got inserted :)\n");
+	printk(KERN_INFO "firmware_sample_driver: "
+		"a ghost device got inserted :)\n");
 
-        if(request_firmware(NULL, "sample_driver_fw", &ghost_device)!=0)
-	{
+	retval = request_firmware(NULL, "sample_driver_fw", &ghost_device);
+	if (retval) {
 		printk(KERN_ERR
 		       "firmware_sample_driver: Firmware load failed\n");
 		return;
@@ -80,6 +85,7 @@ static void sample_probe_async_cont(const struct firmware *fw, void *context)
 	       (char *)context);
 	sample_firmware_load(fw->data, fw->size);
 }
+
 static void sample_probe_async(void)
 {
 	/* Let's say that I can't sleep */
@@ -88,12 +94,10 @@ static void sample_probe_async(void)
 					"sample_driver_fw", &ghost_device,
 					"my device pointer",
 					sample_probe_async_cont);
-	if(error){
-		printk(KERN_ERR
-		       "firmware_sample_driver:"
+	if (error)
+		printk(KERN_ERR "firmware_sample_driver:"
 		       " request_firmware_nowait failed\n");
 }
-}
 
 static int sample_init(void)
 {
@@ -105,6 +109,7 @@ static int sample_init(void)
 	sample_probe_async();
 	return 0;
 }
+
 static void __exit sample_exit(void)
 {
 }

samples/firmware_class/firmware_sample_firmware_class.c

@@ -27,28 +27,25 @@ static inline struct class_device *to_class_dev(struct kobject *obj)
 {
 	return container_of(obj, struct class_device, kobj);
 }
+
 static inline
 struct class_device_attribute *to_class_dev_attr(struct attribute *_attr)
 {
 	return container_of(_attr, struct class_device_attribute, attr);
 }
 
-int sysfs_create_bin_file(struct kobject * kobj, struct bin_attribute * attr);
-int sysfs_remove_bin_file(struct kobject * kobj, struct bin_attribute * attr);
-
 struct firmware_priv {
 	char fw_id[FIRMWARE_NAME_MAX];
 	s32 loading:2;
 	u32 abort:1;
 };
 
-extern struct class firmware_class;
-
 static ssize_t firmware_loading_show(struct class_device *class_dev, char *buf)
 {
 	struct firmware_priv *fw_priv = class_get_devdata(class_dev);
 	return sprintf(buf, "%d\n", fw_priv->loading);
 }
+
 static ssize_t firmware_loading_store(struct class_device *class_dev,
 				      const char *buf, size_t count)
 {
@@ -132,14 +129,14 @@ static int fw_setup_class_device(struct class_device *class_dev,
 	retval = class_device_register(class_dev);
 	if (retval) {
 		printk(KERN_ERR "%s: class_device_register failed\n",
-		       __FUNCTION__);
+		       __func__);
 		goto error_free_fw_priv;
 	}
 
 	retval = sysfs_create_bin_file(&class_dev->kobj, &firmware_attr_data);
 	if (retval) {
 		printk(KERN_ERR "%s: sysfs_create_bin_file failed\n",
-		       __FUNCTION__);
+		       __func__);
 		goto error_unreg_class_dev;
 	}
 
@@ -147,7 +144,7 @@ static int fw_setup_class_device(struct class_device *class_dev,
 					  &class_device_attr_loading);
 	if (retval) {
 		printk(KERN_ERR "%s: class_device_create_file failed\n",
-		       __FUNCTION__);
+		       __func__);
 		goto error_remove_data;
 	}