5.15-stable review patch. If anyone has any objections, please let me know.
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From: Hayes Wang hayeswang@realtek.com
commit 95a4c1d617b92cdc4522297741b56e8f6cd01a1e upstream.
After commit ec51fbd1b8a2 ("r8152: add USB device driver for config selection"), the code about changing USB configuration in rtl_vendor_mode() wouldn't be run anymore. Therefore, the function could be removed.
Signed-off-by: Hayes Wang hayeswang@realtek.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/usb/r8152.c | 39 +-------------------------------------- 1 file changed, 1 insertion(+), 38 deletions(-)
--- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -8281,43 +8281,6 @@ static bool rtl_check_vendor_ok(struct u return true; }
-static bool rtl_vendor_mode(struct usb_interface *intf) -{ - struct usb_host_interface *alt = intf->cur_altsetting; - struct usb_device *udev; - struct usb_host_config *c; - int i, num_configs; - - if (alt->desc.bInterfaceClass == USB_CLASS_VENDOR_SPEC) - return rtl_check_vendor_ok(intf); - - /* The vendor mode is not always config #1, so to find it out. */ - udev = interface_to_usbdev(intf); - c = udev->config; - num_configs = udev->descriptor.bNumConfigurations; - if (num_configs < 2) - return false; - - for (i = 0; i < num_configs; (i++, c++)) { - struct usb_interface_descriptor *desc = NULL; - - if (c->desc.bNumInterfaces > 0) - desc = &c->intf_cache[0]->altsetting->desc; - else - continue; - - if (desc->bInterfaceClass == USB_CLASS_VENDOR_SPEC) { - usb_driver_set_configuration(udev, c->desc.bConfigurationValue); - break; - } - } - - if (i == num_configs) - dev_err(&intf->dev, "Unexpected Device\n"); - - return false; -} - static int rtl8152_pre_reset(struct usb_interface *intf) { struct r8152 *tp = usb_get_intfdata(intf); @@ -9650,7 +9613,7 @@ static int rtl8152_probe(struct usb_inte if (intf->cur_altsetting->desc.bInterfaceClass != USB_CLASS_VENDOR_SPEC) return -ENODEV;
- if (!rtl_vendor_mode(intf)) + if (!rtl_check_vendor_ok(intf)) return -ENODEV;
usb_reset_device(udev);