文件操作 - dma-s3c24xx.h
返回文件管理
返回主菜单
删除本文件
文件: /usr/src/linux-headers-5.15.0-186/include/linux/platform_data/dma-s3c24xx.h
编辑文件内容
/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * S3C24XX DMA handling * * Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de> */ /* Helper to encode the source selection constraints for early s3c socs. */ #define S3C24XX_DMA_CHANREQ(src, chan) ((BIT(3) | src) << chan * 4) enum s3c24xx_dma_bus { S3C24XX_DMA_APB, S3C24XX_DMA_AHB, }; /** * @bus: on which bus does the peripheral reside - AHB or APB. * @handshake: is a handshake with the peripheral necessary * @chansel: channel selection information, depending on variant; reqsel for * s3c2443 and later and channel-selection map for earlier SoCs * see CHANSEL doc in s3c2443-dma.c */ struct s3c24xx_dma_channel { enum s3c24xx_dma_bus bus; bool handshake; u16 chansel; }; struct dma_slave_map; /** * struct s3c24xx_dma_platdata - platform specific settings * @num_phy_channels: number of physical channels * @channels: array of virtual channel descriptions * @num_channels: number of virtual channels * @slave_map: dma slave map matching table * @slavecnt: number of elements in slave_map */ struct s3c24xx_dma_platdata { int num_phy_channels; struct s3c24xx_dma_channel *channels; int num_channels; const struct dma_slave_map *slave_map; int slavecnt; }; struct dma_chan; bool s3c24xx_dma_filter(struct dma_chan *chan, void *param);
修改文件时间
将文件时间修改为当前时间的前一年
删除文件