Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef __ASM_GENERIC_DMA_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define __ASM_GENERIC_DMA_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * This file traditionally describes the i8237 PC style DMA controller.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Most architectures don't have these any more and can get the minimal
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * implementation from kernel/dma.c by not defining MAX_DMA_CHANNELS.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * Some code relies on seeing MAX_DMA_ADDRESS though.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #define MAX_DMA_ADDRESS PAGE_OFFSET
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) extern int request_dma(unsigned int dmanr, const char *device_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) extern void free_dma(unsigned int dmanr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #endif /* __ASM_GENERIC_DMA_H */