mirror of
https://github.com/torvalds/linux.git
synced 2024-12-07 19:41:31 +00:00
7a5e98daf6
Neither the core nor the drivers modify the passed pointer to struct nfc_phy_ops (consisting of function pointers), so make it a pointer to const for correctness and safety. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* NCI based Driver for STMicroelectronics NFC Chip
|
|
*
|
|
* Copyright (C) 2014-2015 STMicroelectronics SAS. All rights reserved.
|
|
*/
|
|
|
|
#ifndef __LOCAL_NDLC_H_
|
|
#define __LOCAL_NDLC_H_
|
|
|
|
#include <linux/skbuff.h>
|
|
#include <net/nfc/nfc.h>
|
|
|
|
struct st_nci_se_status;
|
|
|
|
/* Low Level Transport description */
|
|
struct llt_ndlc {
|
|
struct nci_dev *ndev;
|
|
const struct nfc_phy_ops *ops;
|
|
void *phy_id;
|
|
|
|
struct timer_list t1_timer;
|
|
bool t1_active;
|
|
|
|
struct timer_list t2_timer;
|
|
bool t2_active;
|
|
|
|
struct sk_buff_head rcv_q;
|
|
struct sk_buff_head send_q;
|
|
struct sk_buff_head ack_pending_q;
|
|
|
|
struct work_struct sm_work;
|
|
|
|
struct device *dev;
|
|
|
|
/*
|
|
* < 0 if hardware error occurred
|
|
* and prevents normal operation.
|
|
*/
|
|
int hard_fault;
|
|
int powered;
|
|
};
|
|
|
|
int ndlc_open(struct llt_ndlc *ndlc);
|
|
void ndlc_close(struct llt_ndlc *ndlc);
|
|
int ndlc_send(struct llt_ndlc *ndlc, struct sk_buff *skb);
|
|
void ndlc_recv(struct llt_ndlc *ndlc, struct sk_buff *skb);
|
|
int ndlc_probe(void *phy_id, const struct nfc_phy_ops *phy_ops,
|
|
struct device *dev, int phy_headroom, int phy_tailroom,
|
|
struct llt_ndlc **ndlc_id, struct st_nci_se_status *se_status);
|
|
void ndlc_remove(struct llt_ndlc *ndlc);
|
|
#endif /* __LOCAL_NDLC_H__ */
|