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| author | Andrzej Pietrasiewicz <andrzej.p@samsung.com> | 2013-05-28 11:15:56 +0400 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2013-06-10 18:58:08 +0400 |
| commit | 02832e56f88a981474ee4c7c141f46fc1b4454f4 (patch) | |
| tree | 9d69ab395696bb866ec54f17f2ecc4c67dbda84d /drivers/usb/gadget/u_gether.h | |
| parent | 74bf963d1d230b0cedbcbc46f6f15f20c2e3ee55 (diff) | |
| download | linux-02832e56f88a981474ee4c7c141f46fc1b4454f4.tar.xz | |
usb: gadget: f_subset: add configfs support
f_subset learns about configfs so we can, eventually,
remove in-kernel gadget drivers.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/u_gether.h')
| -rw-r--r-- | drivers/usb/gadget/u_gether.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/gadget/u_gether.h b/drivers/usb/gadget/u_gether.h index 3a4a2bf61cdc..d4078426ba5d 100644 --- a/drivers/usb/gadget/u_gether.h +++ b/drivers/usb/gadget/u_gether.h @@ -22,6 +22,15 @@ struct f_gether_opts { struct usb_function_instance func_inst; struct net_device *net; bool bound; + + /* + * Read/write access to configfs attributes is handled by configfs. + * + * This is to protect the data from concurrent access by read/write + * and create symlink/remove symlink. + */ + struct mutex lock; + int refcnt; }; #endif /* U_GETHER_H */ |