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-rw-r--r--drivers/nfc/fdp/fdp.c2
-rw-r--r--drivers/nfc/microread/i2c.c2
-rw-r--r--drivers/nfc/nfcmrvl/i2c.c2
-rw-r--r--drivers/nfc/nxp-nci/i2c.c2
-rw-r--r--drivers/nfc/pn533/i2c.c2
-rw-r--r--drivers/nfc/pn544/i2c.c2
-rw-r--r--drivers/nfc/s3fwrn5/firmware.c2
-rw-r--r--drivers/nfc/s3fwrn5/i2c.c2
-rw-r--r--drivers/nfc/st-nci/i2c.c2
-rw-r--r--drivers/nfc/st21nfca/i2c.c2
-rw-r--r--include/uapi/linux/nfc.h2
-rw-r--r--net/nfc/core.c10
-rw-r--r--net/nfc/digital_core.c1
-rw-r--r--net/nfc/hci/core.c7
-rw-r--r--net/nfc/hci/llc_shdlc.c23
-rw-r--r--net/nfc/llcp_core.c14
-rw-r--r--net/nfc/netlink.c29
17 files changed, 64 insertions, 42 deletions
diff --git a/drivers/nfc/fdp/fdp.c b/drivers/nfc/fdp/fdp.c
index ec50027b0d8b..d5784a47fc13 100644
--- a/drivers/nfc/fdp/fdp.c
+++ b/drivers/nfc/fdp/fdp.c
@@ -726,7 +726,7 @@ static struct nci_driver_ops fdp_prop_ops[] = {
},
};
-struct nci_ops nci_ops = {
+static struct nci_ops nci_ops = {
.open = fdp_nci_open,
.close = fdp_nci_close,
.send = fdp_nci_send,
diff --git a/drivers/nfc/microread/i2c.c b/drivers/nfc/microread/i2c.c
index b668b7b9a61e..1806d20a5e29 100644
--- a/drivers/nfc/microread/i2c.c
+++ b/drivers/nfc/microread/i2c.c
@@ -294,7 +294,7 @@ static int microread_i2c_remove(struct i2c_client *client)
return 0;
}
-static struct i2c_device_id microread_i2c_id[] = {
+static const struct i2c_device_id microread_i2c_id[] = {
{ MICROREAD_I2C_DRIVER_NAME, 0},
{ }
};
diff --git a/drivers/nfc/nfcmrvl/i2c.c b/drivers/nfc/nfcmrvl/i2c.c
index ffec103702f1..0f22379887ca 100644
--- a/drivers/nfc/nfcmrvl/i2c.c
+++ b/drivers/nfc/nfcmrvl/i2c.c
@@ -266,7 +266,7 @@ static const struct of_device_id of_nfcmrvl_i2c_match[] = {
};
MODULE_DEVICE_TABLE(of, of_nfcmrvl_i2c_match);
-static struct i2c_device_id nfcmrvl_i2c_id_table[] = {
+static const struct i2c_device_id nfcmrvl_i2c_id_table[] = {
{ "nfcmrvl_i2c", 0 },
{}
};
diff --git a/drivers/nfc/nxp-nci/i2c.c b/drivers/nfc/nxp-nci/i2c.c
index 198585bbc771..ba695e392c3b 100644
--- a/drivers/nfc/nxp-nci/i2c.c
+++ b/drivers/nfc/nxp-nci/i2c.c
@@ -393,7 +393,7 @@ static int nxp_nci_i2c_remove(struct i2c_client *client)
return 0;
}
-static struct i2c_device_id nxp_nci_i2c_id_table[] = {
+static const struct i2c_device_id nxp_nci_i2c_id_table[] = {
{"nxp-nci_i2c", 0},
{}
};
diff --git a/drivers/nfc/pn533/i2c.c b/drivers/nfc/pn533/i2c.c
index 8f60ce039b0d..4389eb4c8d0b 100644
--- a/drivers/nfc/pn533/i2c.c
+++ b/drivers/nfc/pn533/i2c.c
@@ -264,7 +264,7 @@ static const struct of_device_id of_pn533_i2c_match[] = {
};
MODULE_DEVICE_TABLE(of, of_pn533_i2c_match);
-static struct i2c_device_id pn533_i2c_id_table[] = {
+static const struct i2c_device_id pn533_i2c_id_table[] = {
{ PN533_I2C_DRIVER_NAME, 0 },
{}
};
diff --git a/drivers/nfc/pn544/i2c.c b/drivers/nfc/pn544/i2c.c
index 4b14740edb67..d0207f8e68b7 100644
--- a/drivers/nfc/pn544/i2c.c
+++ b/drivers/nfc/pn544/i2c.c
@@ -54,7 +54,7 @@
#define PN544_HCI_I2C_LLC_MAX_SIZE (PN544_HCI_I2C_LLC_LEN_CRC + 1 + \
PN544_HCI_I2C_LLC_MAX_PAYLOAD)
-static struct i2c_device_id pn544_hci_i2c_id_table[] = {
+static const struct i2c_device_id pn544_hci_i2c_id_table[] = {
{"pn544", 0},
{}
};
diff --git a/drivers/nfc/s3fwrn5/firmware.c b/drivers/nfc/s3fwrn5/firmware.c
index 38548bd970cd..b7828fb252f2 100644
--- a/drivers/nfc/s3fwrn5/firmware.c
+++ b/drivers/nfc/s3fwrn5/firmware.c
@@ -336,7 +336,7 @@ static int s3fwrn5_fw_get_base_addr(
struct s3fwrn5_fw_cmd_get_bootinfo_rsp *bootinfo, u32 *base_addr)
{
int i;
- struct {
+ static const struct {
u8 version[4];
u32 base_addr;
} match[] = {
diff --git a/drivers/nfc/s3fwrn5/i2c.c b/drivers/nfc/s3fwrn5/i2c.c
index 3f09d7fd2285..4da409e77a72 100644
--- a/drivers/nfc/s3fwrn5/i2c.c
+++ b/drivers/nfc/s3fwrn5/i2c.c
@@ -276,7 +276,7 @@ static int s3fwrn5_i2c_remove(struct i2c_client *client)
return 0;
}
-static struct i2c_device_id s3fwrn5_i2c_id_table[] = {
+static const struct i2c_device_id s3fwrn5_i2c_id_table[] = {
{S3FWRN5_I2C_DRIVER_NAME, 0},
{}
};
diff --git a/drivers/nfc/st-nci/i2c.c b/drivers/nfc/st-nci/i2c.c
index 515f08d037fb..f9525ef87d57 100644
--- a/drivers/nfc/st-nci/i2c.c
+++ b/drivers/nfc/st-nci/i2c.c
@@ -279,7 +279,7 @@ static int st_nci_i2c_remove(struct i2c_client *client)
return 0;
}
-static struct i2c_device_id st_nci_i2c_id_table[] = {
+static const struct i2c_device_id st_nci_i2c_id_table[] = {
{ST_NCI_DRIVER_NAME, 0},
{}
};
diff --git a/drivers/nfc/st21nfca/i2c.c b/drivers/nfc/st21nfca/i2c.c
index cd1f7bfa75eb..1b347096422f 100644
--- a/drivers/nfc/st21nfca/i2c.c
+++ b/drivers/nfc/st21nfca/i2c.c
@@ -589,7 +589,7 @@ static int st21nfca_hci_i2c_remove(struct i2c_client *client)
return 0;
}
-static struct i2c_device_id st21nfca_hci_i2c_id_table[] = {
+static const struct i2c_device_id st21nfca_hci_i2c_id_table[] = {
{ST21NFCA_HCI_DRIVER_NAME, 0},
{}
};
diff --git a/include/uapi/linux/nfc.h b/include/uapi/linux/nfc.h
index 399f39ff8048..f6e3c8c9c744 100644
--- a/include/uapi/linux/nfc.h
+++ b/include/uapi/linux/nfc.h
@@ -89,6 +89,7 @@
* @NFC_CMD_ACTIVATE_TARGET: Request NFC controller to reactivate target.
* @NFC_CMD_VENDOR: Vendor specific command, to be implemented directly
* from the driver in order to support hardware specific operations.
+ * @NFC_CMD_DEACTIVATE_TARGET: Request NFC controller to deactivate target.
*/
enum nfc_commands {
NFC_CMD_UNSPEC,
@@ -121,6 +122,7 @@ enum nfc_commands {
NFC_CMD_SE_IO,
NFC_CMD_ACTIVATE_TARGET,
NFC_CMD_VENDOR,
+ NFC_CMD_DEACTIVATE_TARGET,
/* private: internal use only */
__NFC_CMD_AFTER_LAST
};
diff --git a/net/nfc/core.c b/net/nfc/core.c
index e5e23c2cbe74..947a470f929d 100644
--- a/net/nfc/core.c
+++ b/net/nfc/core.c
@@ -1015,9 +1015,9 @@ exit:
device_unlock(&dev->dev);
}
-static void nfc_check_pres_timeout(unsigned long data)
+static void nfc_check_pres_timeout(struct timer_list *t)
{
- struct nfc_dev *dev = (struct nfc_dev *)data;
+ struct nfc_dev *dev = from_timer(dev, t, check_pres_timer);
schedule_work(&dev->check_pres_work);
}
@@ -1094,9 +1094,7 @@ struct nfc_dev *nfc_allocate_device(struct nfc_ops *ops,
dev->targets_generation = 1;
if (ops->check_presence) {
- setup_timer(&dev->check_pres_timer, nfc_check_pres_timeout,
- (unsigned long)dev);
-
+ timer_setup(&dev->check_pres_timer, nfc_check_pres_timeout, 0);
INIT_WORK(&dev->check_pres_work, nfc_check_pres_work);
}
@@ -1105,7 +1103,7 @@ struct nfc_dev *nfc_allocate_device(struct nfc_ops *ops,
err_free_dev:
kfree(dev);
- return ERR_PTR(rc);
+ return NULL;
}
EXPORT_SYMBOL(nfc_allocate_device);
diff --git a/net/nfc/digital_core.c b/net/nfc/digital_core.c
index de6dd37d04c7..ec0a8998e52d 100644
--- a/net/nfc/digital_core.c
+++ b/net/nfc/digital_core.c
@@ -650,6 +650,7 @@ static void digital_deactivate_target(struct nfc_dev *nfc_dev,
return;
}
+ digital_abort_cmd(ddev);
ddev->curr_protocol = 0;
}
diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c
index a8a6e7814e09..ac8030c4bcf8 100644
--- a/net/nfc/hci/core.c
+++ b/net/nfc/hci/core.c
@@ -428,9 +428,9 @@ exit_noskb:
nfc_hci_driver_failure(hdev, r);
}
-static void nfc_hci_cmd_timeout(unsigned long data)
+static void nfc_hci_cmd_timeout(struct timer_list *t)
{
- struct nfc_hci_dev *hdev = (struct nfc_hci_dev *)data;
+ struct nfc_hci_dev *hdev = from_timer(hdev, t, cmd_timer);
schedule_work(&hdev->msg_tx_work);
}
@@ -1004,8 +1004,7 @@ int nfc_hci_register_device(struct nfc_hci_dev *hdev)
INIT_WORK(&hdev->msg_tx_work, nfc_hci_msg_tx_work);
- setup_timer(&hdev->cmd_timer, nfc_hci_cmd_timeout,
- (unsigned long)hdev);
+ timer_setup(&hdev->cmd_timer, nfc_hci_cmd_timeout, 0);
skb_queue_head_init(&hdev->rx_hcp_frags);
diff --git a/net/nfc/hci/llc_shdlc.c b/net/nfc/hci/llc_shdlc.c
index 58df37eae1e8..fe988936ad92 100644
--- a/net/nfc/hci/llc_shdlc.c
+++ b/net/nfc/hci/llc_shdlc.c
@@ -580,27 +580,27 @@ static void llc_shdlc_handle_send_queue(struct llc_shdlc *shdlc)
}
}
-static void llc_shdlc_connect_timeout(unsigned long data)
+static void llc_shdlc_connect_timeout(struct timer_list *t)
{
- struct llc_shdlc *shdlc = (struct llc_shdlc *)data;
+ struct llc_shdlc *shdlc = from_timer(shdlc, t, connect_timer);
pr_debug("\n");
schedule_work(&shdlc->sm_work);
}
-static void llc_shdlc_t1_timeout(unsigned long data)
+static void llc_shdlc_t1_timeout(struct timer_list *t)
{
- struct llc_shdlc *shdlc = (struct llc_shdlc *)data;
+ struct llc_shdlc *shdlc = from_timer(shdlc, t, t1_timer);
pr_debug("SoftIRQ: need to send ack\n");
schedule_work(&shdlc->sm_work);
}
-static void llc_shdlc_t2_timeout(unsigned long data)
+static void llc_shdlc_t2_timeout(struct timer_list *t)
{
- struct llc_shdlc *shdlc = (struct llc_shdlc *)data;
+ struct llc_shdlc *shdlc = from_timer(shdlc, t, t2_timer);
pr_debug("SoftIRQ: need to retransmit\n");
@@ -763,14 +763,9 @@ static void *llc_shdlc_init(struct nfc_hci_dev *hdev, xmit_to_drv_t xmit_to_drv,
mutex_init(&shdlc->state_mutex);
shdlc->state = SHDLC_DISCONNECTED;
- setup_timer(&shdlc->connect_timer, llc_shdlc_connect_timeout,
- (unsigned long)shdlc);
-
- setup_timer(&shdlc->t1_timer, llc_shdlc_t1_timeout,
- (unsigned long)shdlc);
-
- setup_timer(&shdlc->t2_timer, llc_shdlc_t2_timeout,
- (unsigned long)shdlc);
+ timer_setup(&shdlc->connect_timer, llc_shdlc_connect_timeout, 0);
+ timer_setup(&shdlc->t1_timer, llc_shdlc_t1_timeout, 0);
+ timer_setup(&shdlc->t2_timer, llc_shdlc_t2_timeout, 0);
shdlc->w = SHDLC_MAX_WINDOW;
shdlc->srej_support = SHDLC_SREJ_SUPPORT;
diff --git a/net/nfc/llcp_core.c b/net/nfc/llcp_core.c
index 7988185072e5..ef4026a23e80 100644
--- a/net/nfc/llcp_core.c
+++ b/net/nfc/llcp_core.c
@@ -242,9 +242,9 @@ static void nfc_llcp_timeout_work(struct work_struct *work)
nfc_dep_link_down(local->dev);
}
-static void nfc_llcp_symm_timer(unsigned long data)
+static void nfc_llcp_symm_timer(struct timer_list *t)
{
- struct nfc_llcp_local *local = (struct nfc_llcp_local *) data;
+ struct nfc_llcp_local *local = from_timer(local, t, link_timer);
pr_err("SYMM timeout\n");
@@ -285,9 +285,9 @@ static void nfc_llcp_sdreq_timeout_work(struct work_struct *work)
nfc_genl_llc_send_sdres(local->dev, &nl_sdres_list);
}
-static void nfc_llcp_sdreq_timer(unsigned long data)
+static void nfc_llcp_sdreq_timer(struct timer_list *t)
{
- struct nfc_llcp_local *local = (struct nfc_llcp_local *) data;
+ struct nfc_llcp_local *local = from_timer(local, t, sdreq_timer);
schedule_work(&local->sdreq_timeout_work);
}
@@ -1573,8 +1573,7 @@ int nfc_llcp_register_device(struct nfc_dev *ndev)
INIT_LIST_HEAD(&local->list);
kref_init(&local->ref);
mutex_init(&local->sdp_lock);
- setup_timer(&local->link_timer, nfc_llcp_symm_timer,
- (unsigned long)local);
+ timer_setup(&local->link_timer, nfc_llcp_symm_timer, 0);
skb_queue_head_init(&local->tx_queue);
INIT_WORK(&local->tx_work, nfc_llcp_tx_work);
@@ -1600,8 +1599,7 @@ int nfc_llcp_register_device(struct nfc_dev *ndev)
mutex_init(&local->sdreq_lock);
INIT_HLIST_HEAD(&local->pending_sdreqs);
- setup_timer(&local->sdreq_timer, nfc_llcp_sdreq_timer,
- (unsigned long)local);
+ timer_setup(&local->sdreq_timer, nfc_llcp_sdreq_timer, 0);
INIT_WORK(&local->sdreq_timeout_work, nfc_llcp_sdreq_timeout_work);
list_add(&local->list, &llcp_devices);
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index b251fb936a27..f6359c277212 100644
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -928,6 +928,30 @@ static int nfc_genl_activate_target(struct sk_buff *skb, struct genl_info *info)
return rc;
}
+static int nfc_genl_deactivate_target(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct nfc_dev *dev;
+ u32 device_idx, target_idx;
+ int rc;
+
+ if (!info->attrs[NFC_ATTR_DEVICE_INDEX])
+ return -EINVAL;
+
+ device_idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
+
+ dev = nfc_get_device(device_idx);
+ if (!dev)
+ return -ENODEV;
+
+ target_idx = nla_get_u32(info->attrs[NFC_ATTR_TARGET_INDEX]);
+
+ rc = nfc_deactivate_target(dev, target_idx, NFC_TARGET_MODE_SLEEP);
+
+ nfc_put_device(dev);
+ return rc;
+}
+
static int nfc_genl_dep_link_up(struct sk_buff *skb, struct genl_info *info)
{
struct nfc_dev *dev;
@@ -1751,6 +1775,11 @@ static const struct genl_ops nfc_genl_ops[] = {
.doit = nfc_genl_vendor_cmd,
.policy = nfc_genl_policy,
},
+ {
+ .cmd = NFC_CMD_DEACTIVATE_TARGET,
+ .doit = nfc_genl_deactivate_target,
+ .policy = nfc_genl_policy,
+ },
};
static struct genl_family nfc_genl_family __ro_after_init = {