diff options
| author | Bjorn Andersson <bjorn.andersson@linaro.org> | 2017-01-11 06:35:10 -0800 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2020-04-15 01:24:40 +0200 |
| commit | ab2682d02d92d08c8299acaae935ed5b825b281c (patch) | |
| tree | f036cc0cd22a6d4ba0624267b358ad756a5b182b /drivers/rpmsg/rpmsg_internal.h | |
| parent | 70ab26d3eb0f608822906427e0d51d17d6b1d307 (diff) | |
rpmsg: Introduce "poll" to endpoint ops
This allows rpmsg backends to implement polling of the outgoing buffer,
which provides poll support to user space when using the rpmsg character
device.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'drivers/rpmsg/rpmsg_internal.h')
| -rw-r--r-- | drivers/rpmsg/rpmsg_internal.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/rpmsg/rpmsg_internal.h b/drivers/rpmsg/rpmsg_internal.h index a34e519ea3dc..0cf9c7e2ee83 100644 --- a/drivers/rpmsg/rpmsg_internal.h +++ b/drivers/rpmsg/rpmsg_internal.h @@ -21,6 +21,7 @@ #define __RPMSG_INTERNAL_H__ #include <linux/rpmsg.h> +#include <linux/poll.h> #define to_rpmsg_device(d) container_of(d, struct rpmsg_device, dev) #define to_rpmsg_driver(d) container_of(d, struct rpmsg_driver, drv) @@ -70,6 +71,8 @@ struct rpmsg_endpoint_ops { int (*trysendto)(struct rpmsg_endpoint *ept, void *data, int len, u32 dst); int (*trysend_offchannel)(struct rpmsg_endpoint *ept, u32 src, u32 dst, void *data, int len); + unsigned int (*poll)(struct rpmsg_endpoint *ept, struct file *filp, + poll_table *wait); }; int rpmsg_register_device(struct rpmsg_device *rpdev); |