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spi driver: remove compilation warnings

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spi_posix.c:141:1: warning: no previous prototype for 'bit_reversal' [-Wmissing-prototypes]
=> set bit_reversal() static

pn532_spi.c:258:48: warning: unused parameter 'timeout' [-Wunused-parameter]
=> remove timeout in pn532_spi_read_spi_status() params
This commit is contained in:
Philippe Teuwen 2013-03-03 16:22:18 +01:00
parent cd98a4ac87
commit b0f216b3b2
2 changed files with 3 additions and 3 deletions
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2
libnfc/buses/spi_posix.c
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@ -137,7 +137,7 @@ spi_close(const spi_port sp)
* @return reversed byte * @return reversed byte
*/ */
uint8_t static uint8_t
bit_reversal(const uint8_t x) bit_reversal(const uint8_t x)
{ {
uint8_t ret = x; uint8_t ret = x;

4
libnfc/drivers/pn532_spi.c
View file

@ -255,7 +255,7 @@ pn532_spi_open(const nfc_context *context, const nfc_connstring connstring)
} }
static int static int
pn532_spi_read_spi_status(nfc_device *pnd, int timeout) pn532_spi_read_spi_status(nfc_device *pnd)
{ {
static const uint8_t pn532_spi_statread_cmd = 0x02; static const uint8_t pn532_spi_statread_cmd = 0x02;
@ -320,7 +320,7 @@ pn532_spi_wait_for_data(nfc_device *pnd, int timeout)
int timer = 0; int timer = 0;
int ret; int ret;
while ((ret = pn532_spi_read_spi_status(pnd, timeout)) != pn532_spi_ready) { while ((ret = pn532_spi_read_spi_status(pnd)) != pn532_spi_ready) {
if (ret < 0) { if (ret < 0) {
return ret; return ret;
} }