nfc: pn533: Constify pn533_phy_ops

Neither the driver or the core modifies the pn533_phy_ops struct, so
make them const to allow the compiler to put the static structs in
read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rikard Falkeborn 2021-10-07 00:47:38 +02:00 committed by David S. Miller
parent be5f60d8b6
commit bc642817b6
5 changed files with 6 additions and 6 deletions

View File

@ -156,7 +156,7 @@ static irqreturn_t pn533_i2c_irq_thread_fn(int irq, void *data)
return IRQ_HANDLED;
}
static struct pn533_phy_ops i2c_phy_ops = {
static const struct pn533_phy_ops i2c_phy_ops = {
.send_frame = pn533_i2c_send_frame,
.send_ack = pn533_i2c_send_ack,
.abort_cmd = pn533_i2c_abort_cmd,

View File

@ -2733,7 +2733,7 @@ EXPORT_SYMBOL_GPL(pn533_finalize_setup);
struct pn533 *pn53x_common_init(u32 device_type,
enum pn533_protocol_type protocol_type,
void *phy,
struct pn533_phy_ops *phy_ops,
const struct pn533_phy_ops *phy_ops,
struct pn533_frame_ops *fops,
struct device *dev)
{

View File

@ -177,7 +177,7 @@ struct pn533 {
struct device *dev;
void *phy;
struct pn533_phy_ops *phy_ops;
const struct pn533_phy_ops *phy_ops;
};
typedef int (*pn533_send_async_complete_t) (struct pn533 *dev, void *arg,
@ -232,7 +232,7 @@ struct pn533_phy_ops {
struct pn533 *pn53x_common_init(u32 device_type,
enum pn533_protocol_type protocol_type,
void *phy,
struct pn533_phy_ops *phy_ops,
const struct pn533_phy_ops *phy_ops,
struct pn533_frame_ops *fops,
struct device *dev);

View File

@ -123,7 +123,7 @@ static int pn532_dev_down(struct pn533 *dev)
return 0;
}
static struct pn533_phy_ops uart_phy_ops = {
static const struct pn533_phy_ops uart_phy_ops = {
.send_frame = pn532_uart_send_frame,
.send_ack = pn532_uart_send_ack,
.abort_cmd = pn532_uart_abort_cmd,

View File

@ -429,7 +429,7 @@ static void pn533_send_complete(struct urb *urb)
}
}
static struct pn533_phy_ops usb_phy_ops = {
static const struct pn533_phy_ops usb_phy_ops = {
.send_frame = pn533_usb_send_frame,
.send_ack = pn533_usb_send_ack,
.abort_cmd = pn533_usb_abort_cmd,