linux-stable/include/linux/dma/pxa-dma.h
Robert Jarzmik c2a70a319a dmaengine: pxa: make the filter function internal
As the pxa architecture and all its related drivers do not rely anymore
on the filter function, thanks to the slave map conversion, make
pxad_filter_fn() static, and remove it from the global namespace.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Vinod Koul <vkoul@kernel.org>
2018-12-03 22:41:07 +01:00

26 lines
637 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _PXA_DMA_H_
#define _PXA_DMA_H_
enum pxad_chan_prio {
PXAD_PRIO_HIGHEST = 0,
PXAD_PRIO_NORMAL,
PXAD_PRIO_LOW,
PXAD_PRIO_LOWEST,
};
/**
* struct pxad_param - dma channel request parameters
* @drcmr: requestor line number
* @prio: minimal mandatory priority of the channel
*
* If a requested channel is granted, its priority will be at least @prio,
* ie. if PXAD_PRIO_LOW is required, the requested channel will be either
* PXAD_PRIO_LOW, PXAD_PRIO_NORMAL or PXAD_PRIO_HIGHEST.
*/
struct pxad_param {
unsigned int drcmr;
enum pxad_chan_prio prio;
};
#endif /* _PXA_DMA_H_ */