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Code Issues Releases Wiki Activity

HID: ft260: do not populate /dev/hidraw device

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Do not populate the /dev/hidraw on ft260 interfaces when the hid-ft260
driver is loaded.

$ sudo insmod hid-ft260.ko
$ ls /dev/hidraw*
/dev/hidraw0

$ sudo rmmod hid-ft260.ko
$ ls /dev/hidraw*
/dev/hidraw0  /dev/hidraw1  /dev/hidraw2

Reported-by: Enrik Berkhan <Enrik.Berkhan@inka.de>
Signed-off-by: Michael Zaidman <michael.zaidman@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Michael Zaidman 2022-11-05 23:11:44 +02:00 committed by Jiri Kosina
parent 54410c1480
commit 76e76e7993
1 changed files with 6 additions and 3 deletions
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9
drivers/hid/hid-ft260.c
View file

@ -939,7 +939,7 @@ static int ft260_probe(struct hid_device *hdev, const struct hid_device_id *id)
return ret;
}
ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW);
ret = hid_hw_start(hdev, 0);
if (ret) {
hid_err(hdev, "failed to start HID HW\n");
return ret;
@ -966,6 +966,10 @@ static int ft260_probe(struct hid_device *hdev, const struct hid_device_id *id)
if (ret <= 0)
goto err_hid_close;
hid_info(hdev, "USB HID v%x.%02x Device [%s] on %s\n",
hdev->version >> 8, hdev->version & 0xff, hdev->name,
hdev->phys);
hid_set_drvdata(hdev, dev);
dev->hdev = hdev;
dev->adap.owner = THIS_MODULE;
@ -974,8 +978,7 @@ static int ft260_probe(struct hid_device *hdev, const struct hid_device_id *id)
dev->adap.quirks = &ft260_i2c_quirks;
dev->adap.dev.parent = &hdev->dev;
snprintf(dev->adap.name, sizeof(dev->adap.name),
"FT260 usb-i2c bridge on hidraw%d",
((struct hidraw *)hdev->hidraw)->minor);
"FT260 usb-i2c bridge");
mutex_init(&dev->lock);
init_completion(&dev->wait);