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aa2fa2eb76
Manually rebased: bcm53xx/patches-5.10/180-usb-xhci-add-support-for-performing-fake-doorbell.patch All patches automatically rebased. Signed-off-by: John Audia <therealgraysky@proton.me> [Move gro_skip in 680-NET-skip-GRO-for-foreign-MAC-addresses.patch to old position] Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
80 lines
2.2 KiB
Diff
80 lines
2.2 KiB
Diff
From 579f58dd2819910354753bc5489fc1588fe9cfe2 Mon Sep 17 00:00:00 2001
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From: Hayes Wang <hayeswang@realtek.com>
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Date: Fri, 16 Apr 2021 16:04:37 +0800
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Subject: [PATCH] r8152: search the configuration of vendor mode
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commit c2198943e33b100ed21dfb636c8fa6baef841e9d upstream.
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The vendor mode is not always at config #1, so it is necessary to
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set the correct configuration number.
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Signed-off-by: Hayes Wang <hayeswang@realtek.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/usb/r8152.c | 39 +++++++++++++++++++++++++++++++++++----
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1 file changed, 35 insertions(+), 4 deletions(-)
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--- a/drivers/net/usb/r8152.c
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+++ b/drivers/net/usb/r8152.c
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@@ -29,7 +29,7 @@
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#include <linux/usb/r8152.h>
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/* Information for net-next */
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-#define NETNEXT_VERSION "11"
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+#define NETNEXT_VERSION "12"
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/* Information for net */
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#define NET_VERSION "11"
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@@ -8110,6 +8110,39 @@ static void r8156b_init(struct r8152 *tp
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tp->coalesce = 15000; /* 15 us */
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}
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+static bool rtl_vendor_mode(struct usb_interface *intf)
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+{
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+ struct usb_host_interface *alt = intf->cur_altsetting;
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+ struct usb_device *udev;
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+ struct usb_host_config *c;
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+ int i, num_configs;
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+
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+ if (alt->desc.bInterfaceClass == USB_CLASS_VENDOR_SPEC)
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+ return true;
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+
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+ /* The vendor mode is not always config #1, so to find it out. */
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+ udev = interface_to_usbdev(intf);
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+ c = udev->config;
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+ num_configs = udev->descriptor.bNumConfigurations;
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+ for (i = 0; i < num_configs; (i++, c++)) {
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+ struct usb_interface_descriptor *desc = NULL;
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+
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+ if (c->desc.bNumInterfaces > 0)
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+ desc = &c->intf_cache[0]->altsetting->desc;
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+ else
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+ continue;
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+
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+ if (desc->bInterfaceClass == USB_CLASS_VENDOR_SPEC) {
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+ usb_driver_set_configuration(udev, c->desc.bConfigurationValue);
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+ break;
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+ }
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+ }
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+
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+ WARN_ON_ONCE(i == num_configs);
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+
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+ return false;
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+}
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+
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static int rtl8152_pre_reset(struct usb_interface *intf)
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{
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struct r8152 *tp = usb_get_intfdata(intf);
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@@ -9348,10 +9381,8 @@ static int rtl8152_probe(struct usb_inte
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if (version == RTL_VER_UNKNOWN)
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return -ENODEV;
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- if (udev->actconfig->desc.bConfigurationValue != 1) {
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- usb_driver_set_configuration(udev, 1);
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+ if (!rtl_vendor_mode(intf))
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return -ENODEV;
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- }
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if (intf->cur_altsetting->desc.bNumEndpoints < 3)
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return -ENODEV;
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