diff options
Diffstat (limited to 'drivers/usb')
-rw-r--r-- | drivers/usb/gadget/acm_ms.c | 15 | ||||
-rw-r--r-- | drivers/usb/gadget/cdc2.c | 13 | ||||
-rw-r--r-- | drivers/usb/gadget/f_acm.c | 7 | ||||
-rw-r--r-- | drivers/usb/gadget/multi.c | 14 | ||||
-rw-r--r-- | drivers/usb/gadget/nokia.c | 4 | ||||
-rw-r--r-- | drivers/usb/gadget/serial.c | 20 |
6 files changed, 19 insertions, 54 deletions
diff --git a/drivers/usb/gadget/acm_ms.c b/drivers/usb/gadget/acm_ms.c index 8f2b0e391534..4b947bb50f62 100644 --- a/drivers/usb/gadget/acm_ms.c +++ b/drivers/usb/gadget/acm_ms.c @@ -109,7 +109,6 @@ FSG_MODULE_PARAMETERS(/* no prefix */, fsg_mod_data); static struct fsg_common fsg_common; /*-------------------------------------------------------------------------*/ -static unsigned char tty_line; static struct usb_function *f_acm; static struct usb_function_instance *f_acm_inst; /* @@ -117,7 +116,6 @@ static struct usb_function_instance *f_acm_inst; */ static int __init acm_ms_do_config(struct usb_configuration *c) { - struct f_serial_opts *opts; int status; if (gadget_is_otg(c->cdev->gadget)) { @@ -129,9 +127,6 @@ static int __init acm_ms_do_config(struct usb_configuration *c) if (IS_ERR(f_acm_inst)) return PTR_ERR(f_acm_inst); - opts = container_of(f_acm_inst, struct f_serial_opts, func_inst); - opts->port_num = tty_line; - f_acm = usb_get_function(f_acm_inst); if (IS_ERR(f_acm)) { status = PTR_ERR(f_acm); @@ -171,16 +166,11 @@ static int __init acm_ms_bind(struct usb_composite_dev *cdev) int status; void *retp; - /* set up serial link layer */ - status = gserial_alloc_line(&tty_line); - if (status < 0) - return status; - /* set up mass storage function */ retp = fsg_common_from_params(&fsg_common, cdev, &fsg_mod_data); if (IS_ERR(retp)) { status = PTR_ERR(retp); - goto fail0; + return PTR_ERR(retp); } /* @@ -207,8 +197,6 @@ static int __init acm_ms_bind(struct usb_composite_dev *cdev) /* error recovery */ fail1: fsg_common_put(&fsg_common); -fail0: - gserial_free_line(tty_line); return status; } @@ -216,7 +204,6 @@ static int __exit acm_ms_unbind(struct usb_composite_dev *cdev) { usb_put_function(f_acm); usb_put_function_instance(f_acm_inst); - gserial_free_line(tty_line); return 0; } diff --git a/drivers/usb/gadget/cdc2.c b/drivers/usb/gadget/cdc2.c index 61023aae9865..c6ee6f1558c3 100644 --- a/drivers/usb/gadget/cdc2.c +++ b/drivers/usb/gadget/cdc2.c @@ -108,13 +108,11 @@ static struct eth_dev *the_dev; static struct usb_function *f_acm; static struct usb_function_instance *fi_serial; -static unsigned char tty_line; /* * We _always_ have both CDC ECM and CDC ACM functions. */ static int __init cdc_do_config(struct usb_configuration *c) { - struct f_serial_opts *opts; int status; if (gadget_is_otg(c->cdev->gadget)) { @@ -130,9 +128,6 @@ static int __init cdc_do_config(struct usb_configuration *c) if (IS_ERR(fi_serial)) return PTR_ERR(fi_serial); - opts = container_of(fi_serial, struct f_serial_opts, func_inst); - opts->port_num = tty_line; - f_acm = usb_get_function(fi_serial); if (IS_ERR(f_acm)) goto err_func_acm; @@ -173,11 +168,6 @@ static int __init cdc_bind(struct usb_composite_dev *cdev) if (IS_ERR(the_dev)) return PTR_ERR(the_dev); - /* set up serial link layer */ - status = gserial_alloc_line(&tty_line); - if (status < 0) - goto fail0; - /* Allocate string descriptor numbers ... note that string * contents can be overridden by the composite_dev glue. */ @@ -200,8 +190,6 @@ static int __init cdc_bind(struct usb_composite_dev *cdev) return 0; fail1: - gserial_free_line(tty_line); -fail0: gether_cleanup(the_dev); return status; } @@ -210,7 +198,6 @@ static int __exit cdc_unbind(struct usb_composite_dev *cdev) { usb_put_function(f_acm); usb_put_function_instance(fi_serial); - gserial_free_line(tty_line); gether_cleanup(the_dev); return 0; } diff --git a/drivers/usb/gadget/f_acm.c b/drivers/usb/gadget/f_acm.c index 61b33d23be72..ba7daaaad148 100644 --- a/drivers/usb/gadget/f_acm.c +++ b/drivers/usb/gadget/f_acm.c @@ -768,17 +768,24 @@ static void acm_free_instance(struct usb_function_instance *fi) struct f_serial_opts *opts; opts = container_of(fi, struct f_serial_opts, func_inst); + gserial_free_line(opts->port_num); kfree(opts); } static struct usb_function_instance *acm_alloc_instance(void) { struct f_serial_opts *opts; + int ret; opts = kzalloc(sizeof(*opts), GFP_KERNEL); if (!opts) return ERR_PTR(-ENOMEM); opts->func_inst.free_func_inst = acm_free_instance; + ret = gserial_alloc_line(&opts->port_num); + if (ret) { + kfree(opts); + return ERR_PTR(ret); + } return &opts->func_inst; } DECLARE_USB_FUNCTION_INIT(acm, acm_alloc_instance, acm_alloc_func); diff --git a/drivers/usb/gadget/multi.c b/drivers/usb/gadget/multi.c index 34427553271e..a74ebefc7682 100644 --- a/drivers/usb/gadget/multi.c +++ b/drivers/usb/gadget/multi.c @@ -135,7 +135,6 @@ static struct fsg_common fsg_common; static u8 hostaddr[ETH_ALEN]; -static unsigned char tty_line; static struct usb_function_instance *fi_acm; static struct eth_dev *the_dev; @@ -270,7 +269,6 @@ static int cdc_config_register(struct usb_composite_dev *cdev) static int __ref multi_bind(struct usb_composite_dev *cdev) { struct usb_gadget *gadget = cdev->gadget; - struct f_serial_opts *opts; int status; if (!can_support_ecm(cdev->gadget)) { @@ -285,19 +283,12 @@ static int __ref multi_bind(struct usb_composite_dev *cdev) return PTR_ERR(the_dev); /* set up serial link layer */ - status = gserial_alloc_line(&tty_line); - if (status < 0) - goto fail0; - fi_acm = usb_get_function_instance("acm"); if (IS_ERR(fi_acm)) { status = PTR_ERR(fi_acm); - goto fail0dot5; + goto fail0; } - opts = container_of(fi_acm, struct f_serial_opts, func_inst); - opts->port_num = tty_line; - /* set up mass storage function */ { void *retp; @@ -335,8 +326,6 @@ fail2: fsg_common_put(&fsg_common); fail1: usb_put_function_instance(fi_acm); -fail0dot5: - gserial_free_line(tty_line); fail0: gether_cleanup(the_dev); return status; @@ -351,7 +340,6 @@ static int __exit multi_unbind(struct usb_composite_dev *cdev) usb_put_function(f_acm_rndis); #endif usb_put_function_instance(fi_acm); - gserial_free_line(tty_line); gether_cleanup(the_dev); return 0; } diff --git a/drivers/usb/gadget/nokia.c b/drivers/usb/gadget/nokia.c index 0c13ddd78bef..b5fbf1a1cb3c 100644 --- a/drivers/usb/gadget/nokia.c +++ b/drivers/usb/gadget/nokia.c @@ -104,7 +104,6 @@ static struct eth_dev *the_dev; enum { TTY_PORT_OBEX0, TTY_PORT_OBEX1, - TTY_PORT_ACM, TTY_PORTS_MAX, }; @@ -174,7 +173,6 @@ err_conf: static int __init nokia_bind(struct usb_composite_dev *cdev) { struct usb_gadget *gadget = cdev->gadget; - struct f_serial_opts *opts; int status; int cur_line; @@ -209,8 +207,6 @@ static int __init nokia_bind(struct usb_composite_dev *cdev) fi_acm = usb_get_function_instance("acm"); if (IS_ERR(fi_acm)) goto err_usb; - opts = container_of(fi_acm, struct f_serial_opts, func_inst); - opts->port_num = tty_lines[TTY_PORT_ACM]; /* finally register the configuration */ status = usb_add_config(cdev, &nokia_config_500ma_driver, diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c index 68d7bb06ebcb..c48ca1eb5442 100644 --- a/drivers/usb/gadget/serial.c +++ b/drivers/usb/gadget/serial.c @@ -169,15 +169,12 @@ 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])) { @@ -212,12 +209,14 @@ out: static int __init gs_bind(struct usb_composite_dev *cdev) { int status; - int cur_line; + int cur_line = 0; - for (cur_line = 0; cur_line < n_ports; cur_line++) { - status = gserial_alloc_line(&tty_lines[cur_line]); - if (status) - goto fail; + if (!use_acm) { + 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 @@ -258,7 +257,7 @@ static int __init gs_bind(struct usb_composite_dev *cdev) fail: cur_line--; - while (cur_line >= 0) + while (cur_line >= 0 && !use_acm) gserial_free_line(tty_lines[cur_line--]); return status; } @@ -270,7 +269,8 @@ 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]); + if (!use_acm) + gserial_free_line(tty_lines[i]); } return 0; } |