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-rw-r--r--drivers/nfc/fdp/i2c.c4
-rw-r--r--drivers/nfc/microread/i2c.c4
-rw-r--r--drivers/nfc/nfcmrvl/i2c.c4
-rw-r--r--drivers/nfc/nxp-nci/i2c.c4
-rw-r--r--drivers/nfc/pn533/i2c.c4
-rw-r--r--drivers/nfc/pn544/i2c.c4
-rw-r--r--drivers/nfc/s3fwrn5/i2c.c23
-rw-r--r--drivers/nfc/st-nci/i2c.c4
-rw-r--r--drivers/nfc/st21nfca/i2c.c4
-rw-r--r--drivers/nfc/virtual_ncidev.c3
10 files changed, 17 insertions, 41 deletions
diff --git a/drivers/nfc/fdp/i2c.c b/drivers/nfc/fdp/i2c.c
index 28a9e1eb9bcf..2d53e0f88d2f 100644
--- a/drivers/nfc/fdp/i2c.c
+++ b/drivers/nfc/fdp/i2c.c
@@ -336,14 +336,12 @@ static int fdp_nci_i2c_probe(struct i2c_client *client)
return 0;
}
-static int fdp_nci_i2c_remove(struct i2c_client *client)
+static void fdp_nci_i2c_remove(struct i2c_client *client)
{
struct fdp_i2c_phy *phy = i2c_get_clientdata(client);
fdp_nci_remove(phy->ndev);
fdp_nci_i2c_disable(phy);
-
- return 0;
}
static const struct acpi_device_id fdp_nci_i2c_acpi_match[] = {
diff --git a/drivers/nfc/microread/i2c.c b/drivers/nfc/microread/i2c.c
index 067295124eb9..5eaa18f81355 100644
--- a/drivers/nfc/microread/i2c.c
+++ b/drivers/nfc/microread/i2c.c
@@ -268,15 +268,13 @@ err_irq:
return r;
}
-static int microread_i2c_remove(struct i2c_client *client)
+static void microread_i2c_remove(struct i2c_client *client)
{
struct microread_i2c_phy *phy = i2c_get_clientdata(client);
microread_remove(phy->hdev);
free_irq(client->irq, phy);
-
- return 0;
}
static const struct i2c_device_id microread_i2c_id[] = {
diff --git a/drivers/nfc/nfcmrvl/i2c.c b/drivers/nfc/nfcmrvl/i2c.c
index 01329b91d59d..acef0cfd76af 100644
--- a/drivers/nfc/nfcmrvl/i2c.c
+++ b/drivers/nfc/nfcmrvl/i2c.c
@@ -231,13 +231,11 @@ static int nfcmrvl_i2c_probe(struct i2c_client *client,
return 0;
}
-static int nfcmrvl_i2c_remove(struct i2c_client *client)
+static void nfcmrvl_i2c_remove(struct i2c_client *client)
{
struct nfcmrvl_i2c_drv_data *drv_data = i2c_get_clientdata(client);
nfcmrvl_nci_unregister_dev(drv_data->priv);
-
- return 0;
}
diff --git a/drivers/nfc/nxp-nci/i2c.c b/drivers/nfc/nxp-nci/i2c.c
index ae2ba08d8ac3..ec6446511984 100644
--- a/drivers/nfc/nxp-nci/i2c.c
+++ b/drivers/nfc/nxp-nci/i2c.c
@@ -314,14 +314,12 @@ static int nxp_nci_i2c_probe(struct i2c_client *client,
return r;
}
-static int nxp_nci_i2c_remove(struct i2c_client *client)
+static void nxp_nci_i2c_remove(struct i2c_client *client)
{
struct nxp_nci_i2c_phy *phy = i2c_get_clientdata(client);
nxp_nci_remove(phy->ndev);
free_irq(client->irq, phy);
-
- return 0;
}
static const struct i2c_device_id nxp_nci_i2c_id_table[] = {
diff --git a/drivers/nfc/pn533/i2c.c b/drivers/nfc/pn533/i2c.c
index 673eb5e9b887..ddf3db286bad 100644
--- a/drivers/nfc/pn533/i2c.c
+++ b/drivers/nfc/pn533/i2c.c
@@ -227,7 +227,7 @@ nfc_alloc_err:
return r;
}
-static int pn533_i2c_remove(struct i2c_client *client)
+static void pn533_i2c_remove(struct i2c_client *client)
{
struct pn533_i2c_phy *phy = i2c_get_clientdata(client);
@@ -235,8 +235,6 @@ static int pn533_i2c_remove(struct i2c_client *client)
pn53x_unregister_nfc(phy->priv);
pn53x_common_clean(phy->priv);
-
- return 0;
}
static const struct of_device_id of_pn533_i2c_match[] __maybe_unused = {
diff --git a/drivers/nfc/pn544/i2c.c b/drivers/nfc/pn544/i2c.c
index 62a0f1a010cb..9e754abcfa2a 100644
--- a/drivers/nfc/pn544/i2c.c
+++ b/drivers/nfc/pn544/i2c.c
@@ -928,7 +928,7 @@ static int pn544_hci_i2c_probe(struct i2c_client *client,
return 0;
}
-static int pn544_hci_i2c_remove(struct i2c_client *client)
+static void pn544_hci_i2c_remove(struct i2c_client *client)
{
struct pn544_i2c_phy *phy = i2c_get_clientdata(client);
@@ -940,8 +940,6 @@ static int pn544_hci_i2c_remove(struct i2c_client *client)
if (phy->powered)
pn544_hci_i2c_disable(phy);
-
- return 0;
}
static const struct of_device_id of_pn544_i2c_match[] __maybe_unused = {
diff --git a/drivers/nfc/s3fwrn5/i2c.c b/drivers/nfc/s3fwrn5/i2c.c
index 4d1cf1bb55b0..ecdee838d25d 100644
--- a/drivers/nfc/s3fwrn5/i2c.c
+++ b/drivers/nfc/s3fwrn5/i2c.c
@@ -209,27 +209,21 @@ static int s3fwrn5_i2c_probe(struct i2c_client *client,
if (ret < 0)
return ret;
- phy->clk = devm_clk_get_optional(&client->dev, NULL);
- if (IS_ERR(phy->clk))
- return dev_err_probe(&client->dev, PTR_ERR(phy->clk),
- "failed to get clock\n");
-
/*
* S3FWRN5 depends on a clock input ("XI" pin) to function properly.
* Depending on the hardware configuration this could be an always-on
* oscillator or some external clock that must be explicitly enabled.
* Make sure the clock is running before starting S3FWRN5.
*/
- ret = clk_prepare_enable(phy->clk);
- if (ret < 0) {
- dev_err(&client->dev, "failed to enable clock: %d\n", ret);
- return ret;
- }
+ phy->clk = devm_clk_get_optional_enabled(&client->dev, NULL);
+ if (IS_ERR(phy->clk))
+ return dev_err_probe(&client->dev, PTR_ERR(phy->clk),
+ "failed to get clock\n");
ret = s3fwrn5_probe(&phy->common.ndev, phy, &phy->i2c_dev->dev,
&i2c_phy_ops);
if (ret < 0)
- goto disable_clk;
+ return ret;
ret = devm_request_threaded_irq(&client->dev, phy->i2c_dev->irq, NULL,
s3fwrn5_i2c_irq_thread_fn, IRQF_ONESHOT,
@@ -241,19 +235,14 @@ static int s3fwrn5_i2c_probe(struct i2c_client *client,
s3fwrn5_remove:
s3fwrn5_remove(phy->common.ndev);
-disable_clk:
- clk_disable_unprepare(phy->clk);
return ret;
}
-static int s3fwrn5_i2c_remove(struct i2c_client *client)
+static void s3fwrn5_i2c_remove(struct i2c_client *client)
{
struct s3fwrn5_i2c_phy *phy = i2c_get_clientdata(client);
s3fwrn5_remove(phy->common.ndev);
- clk_disable_unprepare(phy->clk);
-
- return 0;
}
static const struct i2c_device_id s3fwrn5_i2c_id_table[] = {
diff --git a/drivers/nfc/st-nci/i2c.c b/drivers/nfc/st-nci/i2c.c
index cbd968f013c7..89fa24d71bef 100644
--- a/drivers/nfc/st-nci/i2c.c
+++ b/drivers/nfc/st-nci/i2c.c
@@ -250,13 +250,11 @@ static int st_nci_i2c_probe(struct i2c_client *client,
return r;
}
-static int st_nci_i2c_remove(struct i2c_client *client)
+static void st_nci_i2c_remove(struct i2c_client *client)
{
struct st_nci_i2c_phy *phy = i2c_get_clientdata(client);
ndlc_remove(phy->ndlc);
-
- return 0;
}
static const struct i2c_device_id st_nci_i2c_id_table[] = {
diff --git a/drivers/nfc/st21nfca/i2c.c b/drivers/nfc/st21nfca/i2c.c
index 42dc0e5eb161..76b55986bcf8 100644
--- a/drivers/nfc/st21nfca/i2c.c
+++ b/drivers/nfc/st21nfca/i2c.c
@@ -562,7 +562,7 @@ out_free:
return r;
}
-static int st21nfca_hci_i2c_remove(struct i2c_client *client)
+static void st21nfca_hci_i2c_remove(struct i2c_client *client)
{
struct st21nfca_i2c_phy *phy = i2c_get_clientdata(client);
@@ -571,8 +571,6 @@ static int st21nfca_hci_i2c_remove(struct i2c_client *client)
if (phy->powered)
st21nfca_hci_i2c_disable(phy);
kfree_skb(phy->pending_skb);
-
- return 0;
}
static const struct i2c_device_id st21nfca_hci_i2c_id_table[] = {
diff --git a/drivers/nfc/virtual_ncidev.c b/drivers/nfc/virtual_ncidev.c
index f577449e4935..85c06dbb2c44 100644
--- a/drivers/nfc/virtual_ncidev.c
+++ b/drivers/nfc/virtual_ncidev.c
@@ -54,16 +54,19 @@ static int virtual_nci_send(struct nci_dev *ndev, struct sk_buff *skb)
mutex_lock(&nci_mutex);
if (state != virtual_ncidev_enabled) {
mutex_unlock(&nci_mutex);
+ kfree_skb(skb);
return 0;
}
if (send_buff) {
mutex_unlock(&nci_mutex);
+ kfree_skb(skb);
return -1;
}
send_buff = skb_copy(skb, GFP_KERNEL);
mutex_unlock(&nci_mutex);
wake_up_interruptible(&wq);
+ consume_skb(skb);
return 0;
}