add r8169 read mac form eeprom

hc

2024-02-19 1c055e55a242a33e574e48be530e06770a210dcd

 kernel/drivers/usb/gadget/function/f_acm.c
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@@ -425,9 +425,11 @@
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 	/* we know alt == 0, so this is an activation or a reset */
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 	if (intf == acm->ctrl_id) {
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-		dev_vdbg(&cdev->gadget->dev,
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-				"reset acm control interface %d\n", intf);
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-		usb_ep_disable(acm->notify);
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+		if (acm->notify->enabled) {
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+			dev_vdbg(&cdev->gadget->dev,
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+					"reset acm control interface %d\n", intf);
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+			usb_ep_disable(acm->notify);
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+		}
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 		if (!acm->notify->desc)
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 			if (config_ep_by_speed(cdev->gadget, f, acm->notify))
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@@ -723,6 +725,20 @@
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 	kfree(acm);
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 }
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+static void acm_resume(struct usb_function *f)
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+{
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+	struct f_acm *acm = func_to_acm(f);
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+
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+	gserial_resume(&acm->port);
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+}
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+
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+static void acm_suspend(struct usb_function *f)
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+{
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+	struct f_acm *acm = func_to_acm(f);
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+
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+	gserial_suspend(&acm->port);
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+}
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+
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 static struct usb_function *acm_alloc_func(struct usb_function_instance *fi)
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 {
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 	struct f_serial_opts *opts;
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@@ -750,6 +766,8 @@
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 	acm->port_num = opts->port_num;
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 	acm->port.func.unbind = acm_unbind;
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 	acm->port.func.free_func = acm_free_func;
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+	acm->port.func.resume = acm_resume;
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+	acm->port.func.suspend = acm_suspend;
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 	return &acm->port.func;
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 }
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@@ -771,6 +789,24 @@
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 	.release                = acm_attr_release,
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 };
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+#ifdef CONFIG_U_SERIAL_CONSOLE
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+
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+static ssize_t f_acm_console_store(struct config_item *item,
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+		const char *page, size_t count)
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+{
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+	return gserial_set_console(to_f_serial_opts(item)->port_num,
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+				   page, count);
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+}
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+
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+static ssize_t f_acm_console_show(struct config_item *item, char *page)
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+{
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+	return gserial_get_console(to_f_serial_opts(item)->port_num, page);
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+}
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+
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+CONFIGFS_ATTR(f_acm_, console);
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+
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+#endif /* CONFIG_U_SERIAL_CONSOLE */
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+
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 static ssize_t f_acm_port_num_show(struct config_item *item, char *page)
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 {
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 	return sprintf(page, "%u\n", to_f_serial_opts(item)->port_num);
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@@ -779,6 +815,9 @@
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 CONFIGFS_ATTR_RO(f_acm_, port_num);
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 static struct configfs_attribute *acm_attrs[] = {
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+#ifdef CONFIG_U_SERIAL_CONSOLE
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+	&f_acm_attr_console,
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+#endif
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 	&f_acm_attr_port_num,
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 	NULL,
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 };