cregit-Linux how code gets into the kernel

Release 4.12 include/linux/c2port.h

Directory: include/linux
 *  Silicon Labs C2 port Linux support
 *  Copyright (c) 2007 Rodolfo Giometti <>
 *  Copyright (c) 2007 Eurotech S.p.A. <>
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation

#include <linux/kmemcheck.h>

#define C2PORT_NAME_LEN			32

struct device;

 * C2 port basic structs

/* Main struct */
struct c2port_ops;

struct c2port_device {
unsigned int access:1;
unsigned int flash_access:1;

int id;
char name[C2PORT_NAME_LEN];
struct c2port_ops *ops;
struct mutex mutex;		/* prevent races during read/write */

struct device *dev;

void *private_data;

/* Basic operations */

struct c2port_ops {
	/* Flash layout */
unsigned short block_size;	/* flash block size in bytes */
unsigned short blocks_num;	/* flash blocks number */

	/* Enable or disable the access to C2 port */
void (*access)(struct c2port_device *dev, int status);

	/* Set C2D data line as input/output */
void (*c2d_dir)(struct c2port_device *dev, int dir);

	/* Read/write C2D data line */
int (*c2d_get)(struct c2port_device *dev);
void (*c2d_set)(struct c2port_device *dev, int status);

	/* Write C2CK clock line */
void (*c2ck_set)(struct c2port_device *dev, int status);

 * Exported functions

extern struct c2port_device *c2port_device_register(char *name,
					struct c2port_ops *ops, void *devdata);
extern void c2port_device_unregister(struct c2port_device *dev);

Overall Contributors

Rodolfo Giometti18192.82%133.33%
Vegard Nossum115.64%133.33%
Paul Gortmaker31.54%133.33%
Directory: include/linux
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