aboutsummaryrefslogtreecommitdiffstats
path: root/samples/firmware_class/firmware_sample_driver.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@suse.de>2009-06-02 15:01:00 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2009-06-15 21:30:25 -0700
commitd12b77afb4f0a06e9c7e82a0e88d5f011b862c10 (patch)
tree5cfcb40dc0df513eb90dc8a7695e40da47ae55c8 /samples/firmware_class/firmware_sample_driver.c
parent5e8e9245f9bb4c6ed2a2f4af42f2ec9733dc5378 (diff)
downloadmrst-s0i3-test-d12b77afb4f0a06e9c7e82a0e88d5f011b862c10.tar.gz
mrst-s0i3-test-d12b77afb4f0a06e9c7e82a0e88d5f011b862c10.tar.xz
mrst-s0i3-test-d12b77afb4f0a06e9c7e82a0e88d5f011b862c10.zip
firmware: remove broken example files
The firmware example files are beyond broken, and will not work, and should not be used as an example at all. So lets remove them and hope someone writes new files sometime in the future. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'samples/firmware_class/firmware_sample_driver.c')
-rw-r--r--samples/firmware_class/firmware_sample_driver.c121
1 files changed, 0 insertions, 121 deletions
diff --git a/samples/firmware_class/firmware_sample_driver.c b/samples/firmware_class/firmware_sample_driver.c
deleted file mode 100644
index 219a2989660..00000000000
--- a/samples/firmware_class/firmware_sample_driver.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * firmware_sample_driver.c -
- *
- * Copyright (c) 2003 Manuel Estrada Sainz
- *
- * Sample code on how to use request_firmware() from drivers.
- *
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/string.h>
-#include <linux/firmware.h>
-
-static struct device ghost_device = {
- .bus_id = "ghost0",
-};
-
-
-static void sample_firmware_load(char *firmware, int size)
-{
- u8 buf[size+1];
- memcpy(buf, firmware, size);
- buf[size] = '\0';
- printk(KERN_INFO "firmware_sample_driver: firmware: %s\n", buf);
-}
-
-static void sample_probe_default(void)
-{
- /* uses the default method to get the firmware */
- const struct firmware *fw_entry;
- int retval;
-
- 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;
- }
-
- sample_firmware_load(fw_entry->data, fw_entry->size);
-
- release_firmware(fw_entry);
-
- /* 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");
-
- retval = request_firmware(NULL, "sample_driver_fw", &ghost_device);
- if (retval) {
- printk(KERN_ERR
- "firmware_sample_driver: Firmware load failed\n");
- return;
- }
-
- /* request_firmware blocks until userspace finished, so at
- * this point the firmware should be already in the device */
-
- /* finish setting up the device */
-}
-
-static void sample_probe_async_cont(const struct firmware *fw, void *context)
-{
- if (!fw) {
- printk(KERN_ERR
- "firmware_sample_driver: firmware load failed\n");
- return;
- }
-
- printk(KERN_INFO "firmware_sample_driver: device pointer \"%s\"\n",
- (char *)context);
- sample_firmware_load(fw->data, fw->size);
-}
-
-static void sample_probe_async(void)
-{
- /* Let's say that I can't sleep */
- int error;
- error = request_firmware_nowait(THIS_MODULE, FW_ACTION_NOHOTPLUG,
- "sample_driver_fw", &ghost_device,
- "my device pointer",
- sample_probe_async_cont);
- if (error)
- printk(KERN_ERR "firmware_sample_driver:"
- " request_firmware_nowait failed\n");
-}
-
-static int __init sample_init(void)
-{
- device_initialize(&ghost_device);
- /* since there is no real hardware insertion I just call the
- * sample probe functions here */
- sample_probe_specific();
- sample_probe_default();
- sample_probe_async();
- return 0;
-}
-
-static void __exit sample_exit(void)
-{
-}
-
-module_init(sample_init);
-module_exit(sample_exit);
-
-MODULE_LICENSE("GPL");