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| author | Andrzej Pietrasiewicz <andrzej.p@samsung.com> | 2015-03-03 10:52:32 +0100 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-03-10 15:33:41 -0500 |
| commit | ee1cd515e889d222f5a7397fead0a9db1214edea (patch) | |
| tree | 8946a1608e69546a85d4311ca6ab5bdcd3852a3f /drivers/usb/gadget/function/u_printer.h | |
| parent | a2a8e48a94c78c72b5dd1e4c8d190c5c54aca7a4 (diff) | |
| download | talos-op-linux-ee1cd515e889d222f5a7397fead0a9db1214edea.tar.gz talos-op-linux-ee1cd515e889d222f5a7397fead0a9db1214edea.zip | |
usb: gadget: printer: add configfs support
Add support for configfs interface so that f_printer can be used as a
component of usb gadgets composed with it.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/function/u_printer.h')
| -rw-r--r-- | drivers/usb/gadget/function/u_printer.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/u_printer.h b/drivers/usb/gadget/function/u_printer.h index b2338cacdfe4..0e2c49d4274e 100644 --- a/drivers/usb/gadget/function/u_printer.h +++ b/drivers/usb/gadget/function/u_printer.h @@ -25,6 +25,13 @@ struct f_printer_opts { int minor; char pnp_string[PNP_STRING_LEN]; unsigned q_len; + + /* + * Protect the data from concurrent access by read/write + * and create symlink/remove symlink + */ + struct mutex lock; + int refcnt; }; #endif /* U_PRINTER_H */ |
