drivers/staging/media/atomisp/pci/hive_isp_css_common/host/dma.c

Source file repositories/reference/linux-study-clean/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/dma.c

File Facts

System
Linux kernel
Corpus path
drivers/staging/media/atomisp/pci/hive_isp_css_common/host/dma.c
Extension
.c
Size
559 bytes
Lines
26
Domain
Driver Families
Bucket
drivers/staging
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
/*
 * Support for Intel Camera Imaging ISP subsystem.
 * Copyright (c) 2010-2016, Intel Corporation.
 */

#include <linux/kernel.h>

#include "dma.h"

#include "assert_support.h"

#ifndef __INLINE_DMA__
#include "dma_private.h"
#endif /* __INLINE_DMA__ */

void
dma_set_max_burst_size(const dma_ID_t ID, dma_connection conn,
		       uint32_t max_burst_size)
{
	assert(ID < N_DMA_ID);
	assert(max_burst_size > 0);
	dma_reg_store(ID, DMA_DEV_INFO_REG_IDX(_DMA_DEV_INTERF_MAX_BURST_IDX, conn),
		      max_burst_size - 1);
}

Annotation

Implementation Notes