firmware/br-ext-chip-goke/board/gk7205v200/kernel/patches/00_drivers-usb-gadget-legac...

100 lines
2.3 KiB
Diff

--- linux-4.9.37/drivers/usb/gadget/legacy/multi.c 2017-07-12 16:42:41.000000000 +0300
+++ linux-4.9.y/drivers/usb/gadget/legacy/multi.c 2021-06-07 13:01:34.000000000 +0300
@@ -162,21 +162,8 @@
if (ret)
goto err_conf;
- f_msg_rndis = usb_get_function(fi_msg);
- if (IS_ERR(f_msg_rndis)) {
- ret = PTR_ERR(f_msg_rndis);
- goto err_fsg;
- }
-
- ret = usb_add_function(c, f_msg_rndis);
- if (ret)
- goto err_run;
-
return 0;
-err_run:
- usb_put_function(f_msg_rndis);
-err_fsg:
- usb_remove_function(c, f_acm_rndis);
+
err_conf:
usb_put_function(f_acm_rndis);
err_func_acm:
@@ -245,16 +232,6 @@
if (ret)
goto err_conf;
- f_msg_multi = usb_get_function(fi_msg);
- if (IS_ERR(f_msg_multi)) {
- ret = PTR_ERR(f_msg_multi);
- goto err_fsg;
- }
-
- ret = usb_add_function(c, f_msg_multi);
- if (ret)
- goto err_run;
-
return 0;
err_run:
usb_put_function(f_msg_multi);
@@ -304,8 +281,7 @@
#ifdef USB_ETH_RNDIS
struct f_rndis_opts *rndis_opts;
#endif
- struct fsg_opts *fsg_opts;
- struct fsg_config config;
+
int status;
if (!can_support_ecm(cdev->gadget)) {
@@ -367,32 +343,6 @@
goto fail0;
}
- /* set up mass storage function */
- fi_msg = usb_get_function_instance("mass_storage");
- if (IS_ERR(fi_msg)) {
- status = PTR_ERR(fi_msg);
- goto fail1;
- }
- fsg_config_from_params(&config, &fsg_mod_data, fsg_num_buffers);
- fsg_opts = fsg_opts_from_func_inst(fi_msg);
-
- fsg_opts->no_configfs = true;
- status = fsg_common_set_num_buffers(fsg_opts->common, fsg_num_buffers);
- if (status)
- goto fail2;
-
- status = fsg_common_set_cdev(fsg_opts->common, cdev, config.can_stall);
- if (status)
- goto fail_set_cdev;
-
- fsg_common_set_sysfs(fsg_opts->common, true);
- status = fsg_common_create_luns(fsg_opts->common, &config);
- if (status)
- goto fail_set_cdev;
-
- fsg_common_set_inquiry_string(fsg_opts->common, config.vendor_name,
- config.product_name);
-
/* allocate string IDs */
status = usb_string_ids_tab(cdev, strings_dev);
if (unlikely(status < 0))
@@ -430,13 +380,6 @@
kfree(otg_desc[0]);
otg_desc[0] = NULL;
fail_string_ids:
- fsg_common_remove_luns(fsg_opts->common);
-fail_set_cdev:
- fsg_common_free_buffers(fsg_opts->common);
-fail2:
- usb_put_function_instance(fi_msg);
-fail1:
- usb_put_function_instance(fi_acm);
fail0:
#ifdef USB_ETH_RNDIS
usb_put_function_instance(fi_rndis);