linux/drivers/dma-buf/seqno-fence.c
Jagan Teki 5136629dc5 dma-buf: Minor coding style fixes
- WARNING: Missing a blank line after declarations
- WARNING: line over 80 characters
- WARNING: please, no space before tabs

Signed-off-by: Jagan Teki <jteki@openedev.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
2015-05-21 11:29:59 +05:30

80 lines
2.1 KiB
C

/*
* seqno-fence, using a dma-buf to synchronize fencing
*
* Copyright (C) 2012 Texas Instruments
* Copyright (C) 2012-2014 Canonical Ltd
* Authors:
* Rob Clark <robdclark@gmail.com>
* Maarten Lankhorst <maarten.lankhorst@canonical.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#include <linux/slab.h>
#include <linux/export.h>
#include <linux/seqno-fence.h>
static const char *seqno_fence_get_driver_name(struct fence *fence)
{
struct seqno_fence *seqno_fence = to_seqno_fence(fence);
return seqno_fence->ops->get_driver_name(fence);
}
static const char *seqno_fence_get_timeline_name(struct fence *fence)
{
struct seqno_fence *seqno_fence = to_seqno_fence(fence);
return seqno_fence->ops->get_timeline_name(fence);
}
static bool seqno_enable_signaling(struct fence *fence)
{
struct seqno_fence *seqno_fence = to_seqno_fence(fence);
return seqno_fence->ops->enable_signaling(fence);
}
static bool seqno_signaled(struct fence *fence)
{
struct seqno_fence *seqno_fence = to_seqno_fence(fence);
return seqno_fence->ops->signaled && seqno_fence->ops->signaled(fence);
}
static void seqno_release(struct fence *fence)
{
struct seqno_fence *f = to_seqno_fence(fence);
dma_buf_put(f->sync_buf);
if (f->ops->release)
f->ops->release(fence);
else
fence_free(&f->base);
}
static signed long seqno_wait(struct fence *fence, bool intr,
signed long timeout)
{
struct seqno_fence *f = to_seqno_fence(fence);
return f->ops->wait(fence, intr, timeout);
}
const struct fence_ops seqno_fence_ops = {
.get_driver_name = seqno_fence_get_driver_name,
.get_timeline_name = seqno_fence_get_timeline_name,
.enable_signaling = seqno_enable_signaling,
.signaled = seqno_signaled,
.wait = seqno_wait,
.release = seqno_release,
};
EXPORT_SYMBOL(seqno_fence_ops);