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authorLuis R. Rodriguez <mcgrof@kernel.org>2017-01-23 08:11:06 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-01-25 11:52:34 +0100
commit083a93b0c1f2eff2561305d0b95ac238fbfd100b (patch)
treebe2872f006fb1558ee4a416ec1c34ae83141fe8b /lib
parent67fd553ce0e55a468ee24f61ddf6b40ba610bbb5 (diff)
downloadlinux-083a93b0c1f2eff2561305d0b95ac238fbfd100b.tar.gz
linux-083a93b0c1f2eff2561305d0b95ac238fbfd100b.tar.xz
test_firmware: use device attribute groups
This simplifies init and exit. Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/test_firmware.c35
1 files changed, 11 insertions, 24 deletions
diff --git a/lib/test_firmware.c b/lib/test_firmware.c
index 1cb9bf9eb41f..38cc188c4d3c 100644
--- a/lib/test_firmware.c
+++ b/lib/test_firmware.c
@@ -126,10 +126,21 @@ out:
}
static DEVICE_ATTR_WO(trigger_async_request);
+#define TEST_FW_DEV_ATTR(name) &dev_attr_##name.attr
+
+static struct attribute *test_dev_attrs[] = {
+ TEST_FW_DEV_ATTR(trigger_request),
+ TEST_FW_DEV_ATTR(trigger_async_request),
+ NULL,
+};
+
+ATTRIBUTE_GROUPS(test_dev);
+
static struct miscdevice test_fw_misc_device = {
.minor = MISC_DYNAMIC_MINOR,
.name = "test_firmware",
.fops = &test_fw_fops,
+ .groups = test_dev_groups,
};
static int __init test_firmware_init(void)
@@ -141,30 +152,10 @@ static int __init test_firmware_init(void)
pr_err("could not register misc device: %d\n", rc);
return rc;
}
- rc = device_create_file(test_fw_misc_device.this_device,
- &dev_attr_trigger_request);
- if (rc) {
- pr_err("could not create sysfs interface: %d\n", rc);
- goto dereg;
- }
-
- rc = device_create_file(test_fw_misc_device.this_device,
- &dev_attr_trigger_async_request);
- if (rc) {
- pr_err("could not create async sysfs interface: %d\n", rc);
- goto remove_file;
- }
pr_warn("interface ready\n");
return 0;
-
-remove_file:
- device_remove_file(test_fw_misc_device.this_device,
- &dev_attr_trigger_async_request);
-dereg:
- misc_deregister(&test_fw_misc_device);
- return rc;
}
module_init(test_firmware_init);
@@ -172,10 +163,6 @@ module_init(test_firmware_init);
static void __exit test_firmware_exit(void)
{
release_firmware(test_firmware);
- device_remove_file(test_fw_misc_device.this_device,
- &dev_attr_trigger_async_request);
- device_remove_file(test_fw_misc_device.this_device,
- &dev_attr_trigger_request);
misc_deregister(&test_fw_misc_device);
pr_warn("removed interface\n");
}