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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>
54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __LOCAL_MEI_PHY_H_
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#define __LOCAL_MEI_PHY_H_
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#include <linux/mei_cl_bus.h>
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#include <net/nfc/hci.h>
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#include <linux/uuid.h>
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#define MEI_NFC_UUID UUID_LE(0x0bb17a78, 0x2a8e, 0x4c50, \
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0x94, 0xd4, 0x50, 0x26, 0x67, 0x23, 0x77, 0x5c)
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#define MEI_NFC_HEADER_SIZE 10
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#define MEI_NFC_MAX_HCI_PAYLOAD 300
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/**
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* struct nfc_mei_phy
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*
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* @cldev: mei client device
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* @hdev: nfc hci device
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* @send_wq: send completion wait queue
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* @fw_ivn: NFC Interface Version Number
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* @vendor_id: NFC manufacturer ID
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* @radio_type: NFC radio type
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* @reserved: reserved for alignment
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* @req_id: message counter
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* @recv_req_id: reception message counter
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* @powered: the device is in powered state
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* @hard_fault: < 0 if hardware error occurred
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* and prevents normal operation.
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*/
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struct nfc_mei_phy {
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struct mei_cl_device *cldev;
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struct nfc_hci_dev *hdev;
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wait_queue_head_t send_wq;
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u8 fw_ivn;
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u8 vendor_id;
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u8 radio_type;
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u8 reserved;
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u16 req_id;
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u16 recv_req_id;
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int powered;
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int hard_fault;
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};
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extern const struct nfc_phy_ops mei_phy_ops;
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struct nfc_mei_phy *nfc_mei_phy_alloc(struct mei_cl_device *device);
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void nfc_mei_phy_free(struct nfc_mei_phy *phy);
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#endif /* __LOCAL_MEI_PHY_H_ */
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