diff options
| author | Andrzej Pietrasiewicz <andrzej.p@samsung.com> | 2013-10-09 10:06:00 +0200 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2013-10-10 10:21:52 -0500 |
| commit | 5de862d73b2c1b3fbb0ac8b45eb496d77347d1b8 (patch) | |
| tree | 282ddf3024c8fb916ecbc7f218a966b0de710705 /drivers/usb | |
| parent | 23682e3c78c54620ccc6e3462220851e1ae8b02f (diff) | |
| download | blackbird-op-linux-5de862d73b2c1b3fbb0ac8b45eb496d77347d1b8.tar.gz blackbird-op-linux-5de862d73b2c1b3fbb0ac8b45eb496d77347d1b8.zip | |
usb: gadget: f_mass_storage: create fsg_common_run_thread for use in fsg_common_init
fsg_common_init is a lengthy function. Factor a portion of it out.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/f_mass_storage.c | 32 | ||||
| -rw-r--r-- | drivers/usb/gadget/f_mass_storage.h | 2 |
2 files changed, 23 insertions, 11 deletions
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c index 93a26b365e6a..5b99aa1846c3 100644 --- a/drivers/usb/gadget/f_mass_storage.c +++ b/drivers/usb/gadget/f_mass_storage.c @@ -2996,6 +2996,24 @@ void fsg_common_set_inquiry_string(struct fsg_common *common, const char *vn, i); } +int fsg_common_run_thread(struct fsg_common *common) +{ + common->state = FSG_STATE_IDLE; + /* Tell the thread to start working */ + common->thread_task = + kthread_create(fsg_main_thread, common, "file-storage"); + if (IS_ERR(common->thread_task)) { + common->state = FSG_STATE_TERMINATED; + return PTR_ERR(common->thread_task); + } + + DBG(common, "I/O thread pid: %d\n", task_pid_nr(common->thread_task)); + + wake_up_process(common->thread_task); + + return 0; +} + struct fsg_common *fsg_common_init(struct fsg_common *common, struct usb_composite_dev *cdev, struct fsg_config *cfg) @@ -3032,21 +3050,13 @@ struct fsg_common *fsg_common_init(struct fsg_common *common, fsg_common_set_inquiry_string(common, cfg->vendor_name, cfg->product_name); - /* Tell the thread to start working */ - common->thread_task = - kthread_create(fsg_main_thread, common, "file-storage"); - if (IS_ERR(common->thread_task)) { - rc = PTR_ERR(common->thread_task); - goto error_release; - } /* Information */ INFO(common, FSG_DRIVER_DESC ", version: " FSG_DRIVER_VERSION "\n"); - INFO(common, "Number of LUNs=%d\n", common->nluns); - - DBG(common, "I/O thread pid: %d\n", task_pid_nr(common->thread_task)); - wake_up_process(common->thread_task); + rc = fsg_common_run_thread(common); + if (rc) + goto error_release; return common; diff --git a/drivers/usb/gadget/f_mass_storage.h b/drivers/usb/gadget/f_mass_storage.h index 34a15d6bc3ca..7d9e0bc1cbf1 100644 --- a/drivers/usb/gadget/f_mass_storage.h +++ b/drivers/usb/gadget/f_mass_storage.h @@ -126,6 +126,8 @@ int fsg_common_create_luns(struct fsg_common *common, struct fsg_config *cfg); void fsg_common_set_inquiry_string(struct fsg_common *common, const char *vn, const char *pn); +int fsg_common_run_thread(struct fsg_common *common); + void fsg_config_from_params(struct fsg_config *cfg, const struct fsg_module_parameters *params, unsigned int fsg_num_buffers); |
