diff options
| author |   Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2021-07-29 12:40:19 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-07-29 12:28:03 +0100 |
| commit | 3d463dd5023b5a58b3c37207d65eeb5acbac2be3 (patch) | |
| tree | 152cef2760d71d477937811f8cd43feae3d862e4 /drivers/nfc/fdp/i2c.c | |
| parent | nfc: fdp: use unsigned int as loop iterator (diff) | |
| download | linux-dev-3d463dd5023b5a58b3c37207d65eeb5acbac2be3.tar.xz linux-dev-3d463dd5023b5a58b3c37207d65eeb5acbac2be3.zip | |
nfc: fdp: constify several pointers
Several functions do not modify pointed data so arguments and local
variables can be const for correctness and safety. This allows also
making file-scope nci_core_get_config_otp_ram_version array const.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/nfc/fdp/i2c.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/nfc/fdp/i2c.c b/drivers/nfc/fdp/i2c.c index 98e1876c9468..051c43a2a52f 100644 --- a/drivers/nfc/fdp/i2c.c +++ b/drivers/nfc/fdp/i2c.c @@ -36,7 +36,7 @@ print_hex_dump(KERN_DEBUG, prefix": ", DUMP_PREFIX_OFFSET, \ 16, 1, (skb)->data, (skb)->len, 0) -static void fdp_nci_i2c_reset(struct fdp_i2c_phy *phy) +static void fdp_nci_i2c_reset(const struct fdp_i2c_phy *phy) { /* Reset RST/WakeUP for at least 100 micro-second */ gpiod_set_value_cansleep(phy->power_gpio, FDP_POWER_OFF); @@ -47,7 +47,7 @@ static void fdp_nci_i2c_reset(struct fdp_i2c_phy *phy) static int fdp_nci_i2c_enable(void *phy_id) { - struct fdp_i2c_phy *phy = phy_id; + const struct fdp_i2c_phy *phy = phy_id; fdp_nci_i2c_reset(phy); @@ -56,7 +56,7 @@ static int fdp_nci_i2c_enable(void *phy_id) static void fdp_nci_i2c_disable(void *phy_id) { - struct fdp_i2c_phy *phy = phy_id; + const struct fdp_i2c_phy *phy = phy_id; fdp_nci_i2c_reset(phy); } |