MAJOR=4
MINOR=48
DEVNAME=tty48
/
A //* SPDX-License-Identifier: GPL-2.0 */
#ifndef _SND_SOC_CODEC_TAS5086_H_
#define _SND_SOC_CODEC_TAS5086_H_
#define TAS5086_CLK_IDX_MCLK 0
#define TAS5086_CLK_IDX_SCLK 1
#endif /* _SND_SOC_CODEC_TAS5086_H_ */
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h 1MAJOR=4
MINOR=31
DEVNAME=tty31
3
@ S 3
Index of /anon_sym/anon/proc/thread-self/cwd/etc/init.d
Index of /anon_sym/anon/proc/thread-self/cwd/etc/init.d
5
e֝ 5/* SPDX-License-Identifier: GPL-2.0-only */
/*
* fence-chain: chain fences together in a timeline
*
* Copyright (C) 2018 Advanced Micro Devices, Inc.
* Authors:
* Christian König
*/
#ifndef __LINUX_DMA_FENCE_CHAIN_H
#define __LINUX_DMA_FENCE_CHAIN_H
#include
#include
#include
/**
* struct dma_fence_chain - fence to represent an node of a fence chain
* @base: fence base class
* @prev: previous fence of the chain
* @prev_seqno: original previous seqno before garbage collection
* @fence: encapsulated fence
* @lock: spinlock for fence handling
*/
struct dma_fence_chain {
struct dma_fence base;
struct dma_fence __rcu *prev;
u64 prev_seqno;
struct dma_fence *fence;
union {
/**
* @cb: callback for signaling
*
* This is used to add the callback for signaling the
* complection of the fence chain. Never used at the same time
* as the irq work.
*/
struct dma_fence_cb cb;
/**
* @work: irq work item for signaling
*
* Irq work structure to allow us to add the callback without
* running into lock inversion. Never used at the same time as
* the callback.
*/
struct irq_work work;
};
spinlock_t lock;
};
/**
* to_dma_fence_chain - cast a fence to a dma_fence_chain
* @fence: fence to cast to a dma_fence_array
*
* Returns NULL if the fence is not a dma_fence_chain,
* or the dma_fence_chain otherwise.
*/
static inline struct dma_fence_chain *
to_dma_fence_chain(struct dma_fence *fence)
{
if (!fence || !dma_fence_is_chain(fence))
return NULL;
return container_of(fence, struct dma_fence_chain, base);
}
/**
* dma_fence_chain_contained - return the contained fence
* @fence: the fence to test
*
* If the fence is a dma_fence_chain the function returns the fence contained
* inside the chain object, otherwise it returns the fence itself.
*/
static inline struct dma_fence *
dma_fence_chain_contained(struct dma_fence *fence)
{
struct dma_fence_chain *chain = to_dma_fence_chain(fence);
return chain ? chain->fence : fence;
}
/**
* dma_fence_chain_alloc
*
* Returns a new struct dma_fence_chain object or NULL on failure.
*
* This specialized allocator has to be a macro for its allocations to be
* accounted separately (to have a separate alloc_tag). The typecast is
* intentional to enforce typesafety.
*/
#define dma_fence_chain_alloc() \
((struct dma_fence_chain *)kmalloc(sizeof(struct dma_fence_chain), GFP_KERNEL))
/**
* dma_fence_chain_free
* @chain: chain node to free
*
* Frees up