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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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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>
This commit is contained in:
Greg Kroah-Hartman
parent
d289bf7bdd
commit
4b65fc8cfb
@ -12,8 +12,7 @@
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#include <linux/init.h>
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#include <linux/device.h>
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#include <linux/string.h>
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#include "linux/firmware.h"
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#include <linux/firmware.h>
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static struct device ghost_device = {
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.bus_id = "ghost0",
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@ -31,11 +30,14 @@ static void sample_firmware_load(char *firmware, int size)
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static void sample_probe_default(void)
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{
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/* uses the default method to get the firmware */
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const struct firmware *fw_entry;
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printk(KERN_INFO "firmware_sample_driver: a ghost device got inserted :)\n");
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const struct firmware *fw_entry;
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int retval;
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if(request_firmware(&fw_entry, "sample_driver_fw", &ghost_device)!=0)
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{
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printk(KERN_INFO "firmware_sample_driver: "
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"a ghost device got inserted :)\n");
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retval = request_firmware(&fw_entry, "sample_driver_fw", &ghost_device);
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if (retval) {
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printk(KERN_ERR
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"firmware_sample_driver: Firmware not available\n");
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return;
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@ -47,17 +49,20 @@ static void sample_probe_default(void)
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/* finish setting up the device */
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}
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static void sample_probe_specific(void)
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{
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int retval;
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/* Uses some specific hotplug support to get the firmware from
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* userspace directly into the hardware, or via some sysfs file */
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/* NOTE: This currently doesn't work */
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printk(KERN_INFO "firmware_sample_driver: a ghost device got inserted :)\n");
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printk(KERN_INFO "firmware_sample_driver: "
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"a ghost device got inserted :)\n");
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if(request_firmware(NULL, "sample_driver_fw", &ghost_device)!=0)
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{
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retval = request_firmware(NULL, "sample_driver_fw", &ghost_device);
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if (retval) {
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printk(KERN_ERR
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"firmware_sample_driver: Firmware load failed\n");
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return;
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@ -70,7 +75,7 @@ static void sample_probe_specific(void)
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}
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static void sample_probe_async_cont(const struct firmware *fw, void *context)
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{
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if(!fw){
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if (!fw) {
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printk(KERN_ERR
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"firmware_sample_driver: firmware load failed\n");
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return;
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@ -80,19 +85,18 @@ static void sample_probe_async_cont(const struct firmware *fw, void *context)
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(char *)context);
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sample_firmware_load(fw->data, fw->size);
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}
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static void sample_probe_async(void)
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{
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/* Let's say that I can't sleep */
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int error;
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error = request_firmware_nowait (THIS_MODULE, FW_ACTION_NOHOTPLUG,
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"sample_driver_fw", &ghost_device,
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"my device pointer",
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sample_probe_async_cont);
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if(error){
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printk(KERN_ERR
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"firmware_sample_driver:"
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error = request_firmware_nowait(THIS_MODULE, FW_ACTION_NOHOTPLUG,
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"sample_driver_fw", &ghost_device,
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"my device pointer",
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sample_probe_async_cont);
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if (error)
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printk(KERN_ERR "firmware_sample_driver:"
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" request_firmware_nowait failed\n");
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}
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}
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static int sample_init(void)
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@ -105,11 +109,12 @@ static int sample_init(void)
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sample_probe_async();
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return 0;
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}
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static void __exit sample_exit(void)
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{
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}
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module_init (sample_init);
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module_exit (sample_exit);
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module_init(sample_init);
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module_exit(sample_exit);
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MODULE_LICENSE("GPL");
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@ -25,30 +25,27 @@ MODULE_LICENSE("GPL");
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static inline struct class_device *to_class_dev(struct kobject *obj)
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{
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return container_of(obj,struct class_device,kobj);
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return container_of(obj, struct class_device, kobj);
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}
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static inline
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struct class_device_attribute *to_class_dev_attr(struct attribute *_attr)
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{
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return container_of(_attr,struct class_device_attribute,attr);
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return container_of(_attr, struct class_device_attribute, attr);
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}
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int sysfs_create_bin_file(struct kobject * kobj, struct bin_attribute * attr);
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int sysfs_remove_bin_file(struct kobject * kobj, struct bin_attribute * attr);
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struct firmware_priv {
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char fw_id[FIRMWARE_NAME_MAX];
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s32 loading:2;
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u32 abort:1;
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};
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extern struct class firmware_class;
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static ssize_t firmware_loading_show(struct class_device *class_dev, char *buf)
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{
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struct firmware_priv *fw_priv = class_get_devdata(class_dev);
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return sprintf(buf, "%d\n", fw_priv->loading);
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}
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static ssize_t firmware_loading_store(struct class_device *class_dev,
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const char *buf, size_t count)
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{
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@ -57,7 +54,7 @@ static ssize_t firmware_loading_store(struct class_device *class_dev,
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fw_priv->loading = simple_strtol(buf, NULL, 10);
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switch(fw_priv->loading){
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switch (fw_priv->loading) {
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case -1:
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/* abort load an panic */
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break;
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@ -65,7 +62,7 @@ static ssize_t firmware_loading_store(struct class_device *class_dev,
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/* setup load */
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break;
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case 0:
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if(prev_loading==1){
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if (prev_loading == 1) {
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/* finish load and get the device back to working
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* state */
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}
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@ -130,24 +127,24 @@ static int fw_setup_class_device(struct class_device *class_dev,
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class_dev->class = &firmware_class,
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class_set_devdata(class_dev, fw_priv);
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retval = class_device_register(class_dev);
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if (retval){
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if (retval) {
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printk(KERN_ERR "%s: class_device_register failed\n",
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__FUNCTION__);
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__func__);
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goto error_free_fw_priv;
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}
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retval = sysfs_create_bin_file(&class_dev->kobj, &firmware_attr_data);
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if (retval){
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if (retval) {
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printk(KERN_ERR "%s: sysfs_create_bin_file failed\n",
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__FUNCTION__);
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__func__);
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goto error_unreg_class_dev;
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}
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retval = class_device_create_file(class_dev,
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&class_device_attr_loading);
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if (retval){
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if (retval) {
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printk(KERN_ERR "%s: class_device_create_file failed\n",
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__FUNCTION__);
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__func__);
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goto error_remove_data;
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}
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@ -183,16 +180,16 @@ static int __init firmware_sample_init(void)
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device_initialize(&my_device);
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class_dev = kmalloc(sizeof(struct class_device), GFP_KERNEL);
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if(!class_dev)
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if (!class_dev)
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return -ENOMEM;
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error = fw_setup_class_device(class_dev, "my_firmware_image",
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&my_device);
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if(error){
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if (error) {
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kfree(class_dev);
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return error;
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}
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return 0;
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return 0;
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}
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static void __exit firmware_sample_exit(void)
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