C++ (Cpp) ide_disk_pre_reset示例

示例#1

文件： ide-eh.c 项目： AshishNamdev/linux

static void pre_reset(ide_drive_t *drive)
{
	const struct ide_port_ops *port_ops = drive->hwif->port_ops;

	if (drive->media == ide_disk)
		ide_disk_pre_reset(drive);
	else
		drive->dev_flags |= IDE_DFLAG_POST_RESET;

	if (drive->dev_flags & IDE_DFLAG_USING_DMA) {
		if (drive->crc_count)
			ide_check_dma_crc(drive);
		else
			ide_dma_off(drive);
	}

	if ((drive->dev_flags & IDE_DFLAG_KEEP_SETTINGS) == 0) {
		if ((drive->dev_flags & IDE_DFLAG_USING_DMA) == 0) {
			drive->dev_flags &= ~IDE_DFLAG_UNMASK;
			drive->io_32bit = 0;
		}
		return;
	}

	if (port_ops && port_ops->pre_reset)
		port_ops->pre_reset(drive);

	if (drive->current_speed != 0xff)
		drive->desired_speed = drive->current_speed;
	drive->current_speed = 0xff;
}

示例#2

文件： ide-iops.c 项目： ManiacTwister/linux-hnd

static void pre_reset(ide_drive_t *drive)
{
	if (drive->media == ide_disk)
		ide_disk_pre_reset(drive);
	else
		drive->post_reset = 1;

	if (!drive->keep_settings) {
		if (drive->using_dma) {
			check_dma_crc(drive);
		} else {
			drive->unmask = 0;
			drive->io_32bit = 0;
		}
		return;
	}
	if (drive->using_dma)
		check_dma_crc(drive);

	if (HWIF(drive)->pre_reset != NULL)
		HWIF(drive)->pre_reset(drive);

	if (drive->current_speed != 0xff)
		drive->desired_speed = drive->current_speed;
	drive->current_speed = 0xff;
}