diff options
Diffstat (limited to 'drivers/usb/gadget/serial.c')
| -rw-r--r-- | drivers/usb/gadget/serial.c | 59 |
1 files changed, 7 insertions, 52 deletions
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c index 68d7bb06ebc..1f5f978d35d 100644 --- a/drivers/usb/gadget/serial.c +++ b/drivers/usb/gadget/serial.c @@ -12,6 +12,7 @@ #include <linux/kernel.h> #include <linux/device.h> +#include <linux/module.h> #include <linux/tty.h> #include <linux/tty_flip.h> @@ -28,18 +29,6 @@ #define GS_VERSION_NAME GS_LONG_NAME " " GS_VERSION_STR /*-------------------------------------------------------------------------*/ - -/* - * Kbuild is not very cooperative with respect to linking separately - * compiled library objects into one module. So for now we won't use - * separate compilation ... ensuring init/exit sections work to shrink - * the runtime footprint, and giving us at least some parts of what - * a "gcc --combine ... part1.c part2.c part3.c ... " build would. - */ -#include "f_obex.c" -#include "f_serial.c" - -/*-------------------------------------------------------------------------*/ USB_GADGET_COMPOSITE_OPTIONS(); /* Thanks to NetChip Technologies for donating this product ID. @@ -126,27 +115,6 @@ module_param(n_ports, uint, 0); MODULE_PARM_DESC(n_ports, "number of ports to create, default=1"); /*-------------------------------------------------------------------------*/ -static unsigned char tty_lines[MAX_U_SERIAL_PORTS]; - -static int __init serial_bind_obex_config(struct usb_configuration *c) -{ - unsigned i; - int status = 0; - - for (i = 0; i < n_ports && status == 0; i++) - status = obex_bind_config(c, tty_lines[i]); - return status; -} - -static int __init serial_bind_gser_config(struct usb_configuration *c) -{ - unsigned i; - int status = 0; - - for (i = 0; i < n_ports && status == 0; i++) - status = gser_bind_config(c, tty_lines[i]); - return status; -} static struct usb_configuration serial_config_driver = { /* .label = f(use_acm) */ @@ -169,15 +137,12 @@ static int serial_register_ports(struct usb_composite_dev *cdev, goto out; for (i = 0; i < n_ports; i++) { - struct f_serial_opts *opts; fi_serial[i] = usb_get_function_instance(f_name); if (IS_ERR(fi_serial[i])) { ret = PTR_ERR(fi_serial[i]); goto fail; } - opts = container_of(fi_serial[i], struct f_serial_opts, func_inst); - opts->port_num = tty_lines[i]; f_serial[i] = usb_get_function(fi_serial[i]); if (IS_ERR(f_serial[i])) { @@ -212,13 +177,6 @@ out: static int __init gs_bind(struct usb_composite_dev *cdev) { int status; - int cur_line; - - for (cur_line = 0; cur_line < n_ports; cur_line++) { - status = gserial_alloc_line(&tty_lines[cur_line]); - if (status) - goto fail; - } /* Allocate string descriptor numbers ... note that string * contents can be overridden by the composite_dev glue. @@ -243,11 +201,12 @@ static int __init gs_bind(struct usb_composite_dev *cdev) "acm"); usb_ep_autoconfig_reset(cdev->gadget); } else if (use_obex) - status = usb_add_config(cdev, &serial_config_driver, - serial_bind_obex_config); - else - status = usb_add_config(cdev, &serial_config_driver, - serial_bind_gser_config); + status = serial_register_ports(cdev, &serial_config_driver, + "obex"); + else { + status = serial_register_ports(cdev, &serial_config_driver, + "gser"); + } if (status < 0) goto fail; @@ -257,9 +216,6 @@ static int __init gs_bind(struct usb_composite_dev *cdev) return 0; fail: - cur_line--; - while (cur_line >= 0) - gserial_free_line(tty_lines[cur_line--]); return status; } @@ -270,7 +226,6 @@ static int gs_unbind(struct usb_composite_dev *cdev) for (i = 0; i < n_ports; i++) { usb_put_function(f_serial[i]); usb_put_function_instance(fi_serial[i]); - gserial_free_line(tty_lines[i]); } return 0; } |