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| author | Bjorn Andersson <bjorn.andersson@linaro.org> | 2017-01-11 17:35:10 +0300 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2017-01-18 21:43:15 +0300 |
| commit | 84d58132d285b2edef951d6633c1e5224e8b5283 (patch) | |
| tree | f3894b00cce8e1c351ac1636cc756562e80991fc /drivers/rpmsg/rpmsg_internal.h | |
| parent | 5e53c42c33bbde53a2650c6aa7201ec63bbfdc49 (diff) | |
| download | linux-84d58132d285b2edef951d6633c1e5224e8b5283.tar.xz | |
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 8075a20f919b..6176f2457b6b 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); |