diff options
Diffstat (limited to 'drivers/isdn')
| -rw-r--r-- | drivers/isdn/capi/capifs.c | 11 | ||||
| -rw-r--r-- | drivers/isdn/capi/kcapi.c | 171 | ||||
| -rw-r--r-- | drivers/isdn/gigaset/isocdata.c | 2 | ||||
| -rw-r--r-- | drivers/isdn/hisax/st5481_usb.c | 9 |
4 files changed, 181 insertions, 12 deletions
diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c index b129409925a..bff72d81f26 100644 --- a/drivers/isdn/capi/capifs.c +++ b/drivers/isdn/capi/capifs.c @@ -75,15 +75,17 @@ static int capifs_remount(struct super_block *s, int *flags, char *data) } } - kfree(s->s_options); - s->s_options = new_opt; + mutex_lock(&s->s_root->d_inode->i_mutex); + replace_mount_options(s, new_opt); config.setuid = setuid; config.setgid = setgid; config.uid = uid; config.gid = gid; config.mode = mode; + mutex_unlock(&s->s_root->d_inode->i_mutex); + return 0; } @@ -154,13 +156,16 @@ void capifs_new_ncci(unsigned int number, dev_t device) if (!inode) return; inode->i_ino = number+2; + + dentry = get_node(number); + + /* config contents is protected by root's i_mutex */ inode->i_uid = config.setuid ? config.uid : current_fsuid(); inode->i_gid = config.setgid ? config.gid : current_fsgid(); inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; init_special_inode(inode, S_IFCHR|config.mode, device); //inode->i_op = &capifs_file_inode_operations; - dentry = get_node(number); if (!IS_ERR(dentry) && !dentry->d_inode) d_instantiate(dentry, inode); mutex_unlock(&capifs_root->d_inode->i_mutex); diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c index 5360c4fd473..f33170368cd 100644 --- a/drivers/isdn/capi/kcapi.c +++ b/drivers/isdn/capi/kcapi.c @@ -270,6 +270,15 @@ static void recv_handler(struct work_struct *work) mutex_unlock(&ap->recv_mtx); } +/** + * capi_ctr_handle_message() - handle incoming CAPI message + * @card: controller descriptor structure. + * @appl: application ID. + * @skb: message. + * + * Called by hardware driver to pass a CAPI message to the application. + */ + void capi_ctr_handle_message(struct capi_ctr * card, u16 appl, struct sk_buff *skb) { struct capi20_appl *ap; @@ -348,6 +357,13 @@ error: EXPORT_SYMBOL(capi_ctr_handle_message); +/** + * capi_ctr_ready() - signal CAPI controller ready + * @card: controller descriptor structure. + * + * Called by hardware driver to signal that the controller is up and running. + */ + void capi_ctr_ready(struct capi_ctr * card) { card->cardstate = CARD_RUNNING; @@ -360,6 +376,14 @@ void capi_ctr_ready(struct capi_ctr * card) EXPORT_SYMBOL(capi_ctr_ready); +/** + * capi_ctr_reseted() - signal CAPI controller reset + * @card: controller descriptor structure. + * + * Called by hardware driver to signal that the controller is down and + * unavailable for use. + */ + void capi_ctr_reseted(struct capi_ctr * card) { u16 appl; @@ -391,6 +415,13 @@ void capi_ctr_reseted(struct capi_ctr * card) EXPORT_SYMBOL(capi_ctr_reseted); +/** + * capi_ctr_suspend_output() - suspend controller + * @card: controller descriptor structure. + * + * Called by hardware driver to stop data flow. + */ + void capi_ctr_suspend_output(struct capi_ctr *card) { if (!card->blocked) { @@ -401,6 +432,13 @@ void capi_ctr_suspend_output(struct capi_ctr *card) EXPORT_SYMBOL(capi_ctr_suspend_output); +/** + * capi_ctr_resume_output() - resume controller + * @card: controller descriptor structure. + * + * Called by hardware driver to resume data flow. + */ + void capi_ctr_resume_output(struct capi_ctr *card) { if (card->blocked) { @@ -413,6 +451,14 @@ EXPORT_SYMBOL(capi_ctr_resume_output); /* ------------------------------------------------------------- */ +/** + * attach_capi_ctr() - register CAPI controller + * @card: controller descriptor structure. + * + * Called by hardware driver to register a controller with the CAPI subsystem. + * Return value: 0 on success, error code < 0 on error + */ + int attach_capi_ctr(struct capi_ctr *card) { @@ -459,6 +505,15 @@ attach_capi_ctr(struct capi_ctr *card) EXPORT_SYMBOL(attach_capi_ctr); +/** + * detach_capi_ctr() - unregister CAPI controller + * @card: controller descriptor structure. + * + * Called by hardware driver to remove the registration of a controller + * with the CAPI subsystem. + * Return value: 0 on success, error code < 0 on error + */ + int detach_capi_ctr(struct capi_ctr *card) { if (card->cardstate != CARD_DETECTED) @@ -479,6 +534,13 @@ int detach_capi_ctr(struct capi_ctr *card) EXPORT_SYMBOL(detach_capi_ctr); +/** + * register_capi_driver() - register CAPI driver + * @driver: driver descriptor structure. + * + * Called by hardware driver to register itself with the CAPI subsystem. + */ + void register_capi_driver(struct capi_driver *driver) { unsigned long flags; @@ -490,6 +552,13 @@ void register_capi_driver(struct capi_driver *driver) EXPORT_SYMBOL(register_capi_driver); +/** + * unregister_capi_driver() - unregister CAPI driver + * @driver: driver descriptor structure. + * + * Called by hardware driver to unregister itself from the CAPI subsystem. + */ + void unregister_capi_driver(struct capi_driver *driver) { unsigned long flags; @@ -505,6 +574,13 @@ EXPORT_SYMBOL(unregister_capi_driver); /* -------- CAPI2.0 Interface ---------------------------------- */ /* ------------------------------------------------------------- */ +/** + * capi20_isinstalled() - CAPI 2.0 operation CAPI_INSTALLED + * + * Return value: CAPI result code (CAPI_NOERROR if at least one ISDN controller + * is ready for use, CAPI_REGNOTINSTALLED otherwise) + */ + u16 capi20_isinstalled(void) { int i; @@ -517,6 +593,18 @@ u16 capi20_isinstalled(void) EXPORT_SYMBOL(capi20_isinstalled); +/** + * capi20_register() - CAPI 2.0 operation CAPI_REGISTER + * @ap: CAPI application descriptor structure. + * + * Register an application's presence with CAPI. + * A unique application ID is assigned and stored in @ap->applid. + * After this function returns successfully, the message receive + * callback function @ap->recv_message() may be called at any time + * until capi20_release() has been called for the same @ap. + * Return value: CAPI result code + */ + u16 capi20_register(struct capi20_appl *ap) { int i; @@ -571,6 +659,16 @@ u16 capi20_register(struct capi20_appl *ap) EXPORT_SYMBOL(capi20_register); +/** + * capi20_release() - CAPI 2.0 operation CAPI_RELEASE + * @ap: CAPI application descriptor structure. + * + * Terminate an application's registration with CAPI. + * After this function returns successfully, the message receive + * callback function @ap->recv_message() will no longer be called. + * Return value: CAPI result code + */ + u16 capi20_release(struct capi20_appl *ap) { int i; @@ -603,6 +701,15 @@ u16 capi20_release(struct capi20_appl *ap) EXPORT_SYMBOL(capi20_release); +/** + * capi20_put_message() - CAPI 2.0 operation CAPI_PUT_MESSAGE + * @ap: CAPI application descriptor structure. + * @skb: CAPI message. + * + * Transfer a single message to CAPI. + * Return value: CAPI result code + */ + u16 capi20_put_message(struct capi20_appl *ap, struct sk_buff *skb) { struct capi_ctr *card; @@ -668,6 +775,16 @@ u16 capi20_put_message(struct capi20_appl *ap, struct sk_buff *skb) EXPORT_SYMBOL(capi20_put_message); +/** + * capi20_get_manufacturer() - CAPI 2.0 operation CAPI_GET_MANUFACTURER + * @contr: controller number. + * @buf: result buffer (64 bytes). + * + * Retrieve information about the manufacturer of the specified ISDN controller + * or (for @contr == 0) the driver itself. + * Return value: CAPI result code + */ + u16 capi20_get_manufacturer(u32 contr, u8 *buf) { struct capi_ctr *card; @@ -685,6 +802,16 @@ u16 capi20_get_manufacturer(u32 contr, u8 *buf) EXPORT_SYMBOL(capi20_get_manufacturer); +/** + * capi20_get_version() - CAPI 2.0 operation CAPI_GET_VERSION + * @contr: controller number. + * @verp: result structure. + * + * Retrieve version information for the specified ISDN controller + * or (for @contr == 0) the driver itself. + * Return value: CAPI result code + */ + u16 capi20_get_version(u32 contr, struct capi_version *verp) { struct capi_ctr *card; @@ -703,6 +830,16 @@ u16 capi20_get_version(u32 contr, struct capi_version *verp) EXPORT_SYMBOL(capi20_get_version); +/** + * capi20_get_serial() - CAPI 2.0 operation CAPI_GET_SERIAL_NUMBER + * @contr: controller number. + * @serial: result buffer (8 bytes). + * + * Retrieve the serial number of the specified ISDN controller + * or (for @contr == 0) the driver itself. + * Return value: CAPI result code + */ + u16 capi20_get_serial(u32 contr, u8 *serial) { struct capi_ctr *card; @@ -721,6 +858,16 @@ u16 capi20_get_serial(u32 contr, u8 *serial) EXPORT_SYMBOL(capi20_get_serial); +/** + * capi20_get_profile() - CAPI 2.0 operation CAPI_GET_PROFILE + * @contr: controller number. + * @profp: result structure. + * + * Retrieve capability information for the specified ISDN controller + * or (for @contr == 0) the number of installed controllers. + * Return value: CAPI result code + */ + u16 capi20_get_profile(u32 contr, struct capi_profile *profp) { struct capi_ctr *card; @@ -903,6 +1050,15 @@ static int old_capi_manufacturer(unsigned int cmd, void __user *data) } #endif +/** + * capi20_manufacturer() - CAPI 2.0 operation CAPI_MANUFACTURER + * @cmd: command. + * @data: parameter. + * + * Perform manufacturer specific command. + * Return value: CAPI result code + */ + int capi20_manufacturer(unsigned int cmd, void __user *data) { struct capi_ctr *card; @@ -981,6 +1137,21 @@ int capi20_manufacturer(unsigned int cmd, void __user *data) EXPORT_SYMBOL(capi20_manufacturer); /* temporary hack */ + +/** + * capi20_set_callback() - set CAPI application notification callback function + * @ap: CAPI application descriptor structure. + * @callback: callback function (NULL to remove). + * + * If not NULL, the callback function will be called to notify the + * application of the addition or removal of a controller. + * The first argument (cmd) will tell whether the controller was added + * (KCI_CONTRUP) or removed (KCI_CONTRDOWN). + * The second argument (contr) will be the controller number. + * For cmd==KCI_CONTRUP the third argument (data) will be a pointer to the + * new controller's capability profile structure. + */ + void capi20_set_callback(struct capi20_appl *ap, void (*callback) (unsigned int cmd, __u32 contr, void *data)) { diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c index b171e75cb52..29808c4fb1c 100644 --- a/drivers/isdn/gigaset/isocdata.c +++ b/drivers/isdn/gigaset/isocdata.c @@ -175,7 +175,7 @@ int gigaset_isowbuf_getbytes(struct isowbuf_t *iwb, int size) return -EINVAL; } src = iwb->read; - if (unlikely(limit > BAS_OUTBUFSIZE + BAS_OUTBUFPAD || + if (unlikely(limit >= BAS_OUTBUFSIZE + BAS_OUTBUFPAD || (read < src && limit >= src))) { pr_err("isoc write buffer frame reservation violated\n"); return -EFAULT; diff --git a/drivers/isdn/hisax/st5481_usb.c b/drivers/isdn/hisax/st5481_usb.c index ec3c0e50766..2b3a055059e 100644 --- a/drivers/isdn/hisax/st5481_usb.c +++ b/drivers/isdn/hisax/st5481_usb.c @@ -149,14 +149,7 @@ static void usb_ctrl_complete(struct urb *urb) if (ctrl_msg->dr.bRequest == USB_REQ_CLEAR_FEATURE) { /* Special case handling for pipe reset */ le16_to_cpus(&ctrl_msg->dr.wIndex); - - /* toggle is reset on clear */ - usb_settoggle(adapter->usb_dev, - ctrl_msg->dr.wIndex & ~USB_DIR_IN, - (ctrl_msg->dr.wIndex & USB_DIR_IN) == 0, - 0); - - + usb_reset_endpoint(adapter->usb_dev, ctrl_msg->dr.wIndex); } if (ctrl_msg->complete) |