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_S390_DMA_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _ASM_S390_DMA_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <asm/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * MAX_DMA_ADDRESS is ambiguous because on s390 its completely unrelated
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * to DMA. It _is_ used for the s390 memory zone split at 2GB caused
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * by the 31 bit heritage.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define MAX_DMA_ADDRESS         0x80000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #ifdef CONFIG_PCI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) extern int isa_dma_bridge_buggy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define isa_dma_bridge_buggy	(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #endif /* _ASM_S390_DMA_H */