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nfc: mrvl: constify several pointers

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Several functions do not modify pointed data so arguments and local
variables can be const for correctness and safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Krzysztof Kozlowski 2021-07-29 12:40:21 +02:00 committed by David S. Miller
parent a751449f8b
commit fe53159fe3
6 changed files with 15 additions and 13 deletions
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16
drivers/nfc/nfcmrvl/fw_dnld.c
View file

@ -129,7 +129,7 @@ static void fw_dnld_timeout(struct timer_list *t)
}
static int process_state_reset(struct nfcmrvl_private *priv,
struct sk_buff *skb)
const struct sk_buff *skb)
{
if (sizeof(nci_pattern_core_reset_ntf) != skb->len ||
memcmp(skb->data, nci_pattern_core_reset_ntf,
@ -145,7 +145,8 @@ static int process_state_reset(struct nfcmrvl_private *priv,
return 0;
}
static int process_state_init(struct nfcmrvl_private *priv, struct sk_buff *skb)
static int process_state_init(struct nfcmrvl_private *priv,
const struct sk_buff *skb)
{
struct nci_core_set_config_cmd cmd;
@ -175,7 +176,7 @@ static void create_lc(struct nfcmrvl_private *priv)
}
static int process_state_set_ref_clock(struct nfcmrvl_private *priv,
struct sk_buff *skb)
const struct sk_buff *skb)
{
struct nci_core_set_config_cmd cmd;
@ -221,7 +222,7 @@ static int process_state_set_ref_clock(struct nfcmrvl_private *priv,
}
static int process_state_set_hi_config(struct nfcmrvl_private *priv,
struct sk_buff *skb)
const struct sk_buff *skb)
{
if (sizeof(nci_pattern_core_set_config_rsp) != skb->len ||
memcmp(skb->data, nci_pattern_core_set_config_rsp, skb->len))
@ -232,7 +233,7 @@ static int process_state_set_hi_config(struct nfcmrvl_private *priv,
}
static int process_state_open_lc(struct nfcmrvl_private *priv,
struct sk_buff *skb)
const struct sk_buff *skb)
{
if (sizeof(nci_pattern_core_conn_create_rsp) >= skb->len ||
memcmp(skb->data, nci_pattern_core_conn_create_rsp,
@ -347,7 +348,7 @@ static int process_state_fw_dnld(struct nfcmrvl_private *priv,
}
static int process_state_close_lc(struct nfcmrvl_private *priv,
struct sk_buff *skb)
const struct sk_buff *skb)
{
if (sizeof(nci_pattern_core_conn_close_rsp) != skb->len ||
memcmp(skb->data, nci_pattern_core_conn_close_rsp, skb->len))
@ -358,7 +359,8 @@ static int process_state_close_lc(struct nfcmrvl_private *priv,
return 0;
}
static int process_state_boot(struct nfcmrvl_private *priv, struct sk_buff *skb)
static int process_state_boot(struct nfcmrvl_private *priv,
const struct sk_buff *skb)
{
if (sizeof(nci_pattern_proprietary_boot_rsp) != skb->len ||
memcmp(skb->data, nci_pattern_proprietary_boot_rsp, skb->len))

2
drivers/nfc/nfcmrvl/i2c.c
View file

@ -182,8 +182,8 @@ static int nfcmrvl_i2c_parse_dt(struct device_node *node,
static int nfcmrvl_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
const struct nfcmrvl_platform_data *pdata;
struct nfcmrvl_i2c_drv_data *drv_data;
struct nfcmrvl_platform_data *pdata;
struct nfcmrvl_platform_data config;
int ret;

2
drivers/nfc/nfcmrvl/main.c
View file

@ -93,7 +93,7 @@ struct nfcmrvl_private *nfcmrvl_nci_register_dev(enum nfcmrvl_phy phy,
void *drv_data,
struct nfcmrvl_if_ops *ops,
struct device *dev,
struct nfcmrvl_platform_data *pdata)
const struct nfcmrvl_platform_data *pdata)
{
struct nfcmrvl_private *priv;
int rc;

2
drivers/nfc/nfcmrvl/nfcmrvl.h
View file

@ -94,7 +94,7 @@ struct nfcmrvl_private *nfcmrvl_nci_register_dev(enum nfcmrvl_phy phy,
void *drv_data,
struct nfcmrvl_if_ops *ops,
struct device *dev,
struct nfcmrvl_platform_data *pdata);
const struct nfcmrvl_platform_data *pdata);
void nfcmrvl_chip_reset(struct nfcmrvl_private *priv);

4
drivers/nfc/nfcmrvl/spi.c
View file

@ -106,7 +106,7 @@ static struct nfcmrvl_if_ops spi_ops = {
.nci_update_config = nfcmrvl_spi_nci_update_config,
};
static int nfcmrvl_spi_parse_dt(struct device_node *node,
static int nfcmrvl_spi_parse_dt(const struct device_node *node,
struct nfcmrvl_platform_data *pdata)
{
int ret;
@ -129,7 +129,7 @@ static int nfcmrvl_spi_parse_dt(struct device_node *node,
static int nfcmrvl_spi_probe(struct spi_device *spi)
{
struct nfcmrvl_platform_data *pdata;
const struct nfcmrvl_platform_data *pdata;
struct nfcmrvl_platform_data config;
struct nfcmrvl_spi_drv_data *drv_data;
int ret = 0;

2
drivers/nfc/nfcmrvl/uart.c
View file

@ -98,8 +98,8 @@ static int nfcmrvl_uart_parse_dt(struct device_node *node,
static int nfcmrvl_nci_uart_open(struct nci_uart *nu)
{
struct nfcmrvl_private *priv;
struct nfcmrvl_platform_data *pdata = NULL;
struct nfcmrvl_platform_data config;
const struct nfcmrvl_platform_data *pdata = NULL;
struct device *dev = nu->tty->dev;
/*