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authorKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>2021-07-25 00:47:36 +0300
committerDavid S. Miller <davem@davemloft.net>2021-07-25 11:21:21 +0300
commit7a5e98daf6bdba5822aa274f8555199361060658 (patch)
tree0622155e537a6520daa59b636eae9c3efcdd9903 /drivers/nfc/st-nci
parentcb8caa3c6c04c18027258ab34e09bcf87e726f22 (diff)
downloadlinux-7a5e98daf6bdba5822aa274f8555199361060658.tar.xz
nfc: constify nfc_phy_ops
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>
Diffstat (limited to 'drivers/nfc/st-nci')
-rw-r--r--drivers/nfc/st-nci/i2c.c2
-rw-r--r--drivers/nfc/st-nci/ndlc.c6
-rw-r--r--drivers/nfc/st-nci/ndlc.h8
-rw-r--r--drivers/nfc/st-nci/spi.c2
4 files changed, 9 insertions, 9 deletions
diff --git a/drivers/nfc/st-nci/i2c.c b/drivers/nfc/st-nci/i2c.c
index 46981405e8b1..ccf6152ebb9f 100644
--- a/drivers/nfc/st-nci/i2c.c
+++ b/drivers/nfc/st-nci/i2c.c
@@ -186,7 +186,7 @@ static irqreturn_t st_nci_irq_thread_fn(int irq, void *phy_id)
return IRQ_HANDLED;
}
-static struct nfc_phy_ops i2c_phy_ops = {
+static const struct nfc_phy_ops i2c_phy_ops = {
.write = st_nci_i2c_write,
.enable = st_nci_i2c_enable,
.disable = st_nci_i2c_disable,
diff --git a/drivers/nfc/st-nci/ndlc.c b/drivers/nfc/st-nci/ndlc.c
index 5d74c674368a..e9dc313b333e 100644
--- a/drivers/nfc/st-nci/ndlc.c
+++ b/drivers/nfc/st-nci/ndlc.c
@@ -253,9 +253,9 @@ static void ndlc_t2_timeout(struct timer_list *t)
schedule_work(&ndlc->sm_work);
}
-int ndlc_probe(void *phy_id, 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)
+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)
{
struct llt_ndlc *ndlc;
diff --git a/drivers/nfc/st-nci/ndlc.h b/drivers/nfc/st-nci/ndlc.h
index 066e2fd75238..c24ce9b0df52 100644
--- a/drivers/nfc/st-nci/ndlc.h
+++ b/drivers/nfc/st-nci/ndlc.h
@@ -16,7 +16,7 @@ struct st_nci_se_status;
/* Low Level Transport description */
struct llt_ndlc {
struct nci_dev *ndev;
- struct nfc_phy_ops *ops;
+ const struct nfc_phy_ops *ops;
void *phy_id;
struct timer_list t1_timer;
@@ -45,8 +45,8 @@ 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, 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);
+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__ */
diff --git a/drivers/nfc/st-nci/spi.c b/drivers/nfc/st-nci/spi.c
index 250d56f204c3..a620c34790e6 100644
--- a/drivers/nfc/st-nci/spi.c
+++ b/drivers/nfc/st-nci/spi.c
@@ -198,7 +198,7 @@ static irqreturn_t st_nci_irq_thread_fn(int irq, void *phy_id)
return IRQ_HANDLED;
}
-static struct nfc_phy_ops spi_phy_ops = {
+static const struct nfc_phy_ops spi_phy_ops = {
.write = st_nci_spi_write,
.enable = st_nci_spi_enable,
.disable = st_nci_spi_disable,