From 04dd17822334871b23ea2862f7798fb0e0007777 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 08:53:19 +0000
Subject: [PATCH] change otg to host mode
---
kernel/drivers/usb/misc/trancevibrator.c | 19 ++++++++++---------
1 files changed, 10 insertions(+), 9 deletions(-)
diff --git a/kernel/drivers/usb/misc/trancevibrator.c b/kernel/drivers/usb/misc/trancevibrator.c
index ed63e95..26baba3 100644
--- a/kernel/drivers/usb/misc/trancevibrator.c
+++ b/kernel/drivers/usb/misc/trancevibrator.c
@@ -46,7 +46,9 @@
struct trancevibrator *tv = usb_get_intfdata(intf);
int temp, retval, old;
- temp = simple_strtoul(buf, NULL, 10);
+ retval = kstrtoint(buf, 10, &temp);
+ if (retval)
+ return retval;
if (temp > 255)
temp = 255;
else if (temp < 0)
@@ -69,8 +71,13 @@
}
return count;
}
-
static DEVICE_ATTR_RW(speed);
+
+static struct attribute *tv_attrs[] = {
+ &dev_attr_speed.attr,
+ NULL,
+};
+ATTRIBUTE_GROUPS(tv);
static int tv_probe(struct usb_interface *interface,
const struct usb_device_id *id)
@@ -87,15 +94,9 @@
dev->udev = usb_get_dev(udev);
usb_set_intfdata(interface, dev);
- retval = device_create_file(&interface->dev, &dev_attr_speed);
- if (retval)
- goto error_create_file;
return 0;
-error_create_file:
- usb_put_dev(udev);
- usb_set_intfdata(interface, NULL);
error:
kfree(dev);
return retval;
@@ -106,7 +107,6 @@
struct trancevibrator *dev;
dev = usb_get_intfdata (interface);
- device_remove_file(&interface->dev, &dev_attr_speed);
usb_set_intfdata(interface, NULL);
usb_put_dev(dev->udev);
kfree(dev);
@@ -118,6 +118,7 @@
.probe = tv_probe,
.disconnect = tv_disconnect,
.id_table = id_table,
+ .dev_groups = tv_groups,
};
module_usb_driver(tv_driver);
--
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