RTOS/rtems
1
0
Fork 0
forked from Imagelibrary/rtems
Code Pull Requests Activity

SPICTRL: fix build warnings

Browse Source
This commit is contained in:
Daniel Hellstrom
2015-02-11 12:27:05 +01:00
parent 9b90342e59
commit 8c6c53d554
1 changed files with 19 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
c/src/lib/libbsp/sparc/shared/spi/spictrl.c
View File

@@ -297,10 +297,10 @@ STATIC rtems_status_code spictrl_libi2c_send_addr(rtems_libi2c_bus_t *bushdl,
/* Set as high frequency of SCK as possible but not higher than
* requested frequency (freq).
*/
int spictrl_set_freq(struct spictrl_priv *priv, unsigned int freq)
static int spictrl_set_freq(struct spictrl_priv *priv, unsigned int freq)
{
unsigned int core_freq_hz = priv->core_freq_hz;
unsigned int lowest_freq_possible, result;
unsigned int lowest_freq_possible;
unsigned int div, div16, pm, fact;
/* Lowest possible when DIV16 is set and PM is 0xf */
@@ -338,14 +338,15 @@ int spictrl_set_freq(struct spictrl_priv *priv, unsigned int freq)
(pm << SPICTRL_MODE_PM_BIT) | (div16 << SPICTRL_MODE_DIV16_BIT) |
(fact << SPICTRL_MODE_FACT_BIT);
result = core_freq_hz / (2 * (fact ? 1 : 2) * (div) * (div16 ? 16 : 1) );
DBG("SPICTRL: Effective bit rate %u (requested %u), PM: %x, FACT: %d, div16: %x, core_freq: %u\n", result, freq, pm, fact, div16, core_freq_hz);
DBG("SPICTRL: Effective bit rate %u (requested %u), PM: %x, FACT: %d, div16: %x, core_freq: %u\n",
core_freq_hz / (2 * (fact ? 1 : 2) * (div) * (div16 ? 16 : 1)),
freq, pm, fact, div16, core_freq_hz);
return 0;
}
/* Start Automated Periodic transfers, after this call read can be done */
int spictrl_start_periodic(struct spictrl_priv *priv)
static int spictrl_start_periodic(struct spictrl_priv *priv)
{
struct spictrl_ioctl_config *cfg = &priv->periodic_cfg;
unsigned int am_cfg;
@@ -376,7 +377,7 @@ int spictrl_start_periodic(struct spictrl_priv *priv)
}
/* Stop Automated Periodic transfers */
void spictrl_stop_periodic(struct spictrl_priv *priv)
static void spictrl_stop_periodic(struct spictrl_priv *priv)
{
priv->regs->am_cfg = 0;
}
@@ -385,12 +386,14 @@ void spictrl_stop_periodic(struct spictrl_priv *priv)
* it may be needed in periodic mode to look at the Not Full bit (NF)
* in order not to hang in an infinte loop when read is called.
*/
unsigned int spictrl_status(struct spictrl_priv *priv)
static inline unsigned int spictrl_status(struct spictrl_priv *priv)
{
return priv->regs->event;
}
int spictrl_read_periodic(struct spictrl_priv *priv, struct spictrl_period_io *rarg)
static int spictrl_read_periodic(
struct spictrl_priv *priv,
struct spictrl_period_io *rarg)
{
int i, rxi, rxshift, bits_per_char, reg;
unsigned int rx_word, mask;
@@ -455,7 +458,9 @@ int spictrl_read_periodic(struct spictrl_priv *priv, struct spictrl_period_io *r
return 0;
}
int spictrl_write_periodic(struct spictrl_priv *priv, struct spictrl_period_io *warg)
static int spictrl_write_periodic(
struct spictrl_priv *priv,
struct spictrl_period_io *warg)
{
int i, txi, txshift, bits_per_char, reg;
unsigned int tx_word, mask;
@@ -522,7 +527,11 @@ int spictrl_write_periodic(struct spictrl_priv *priv, struct spictrl_period_io *
return 0;
}
int spictrl_read_write(struct spictrl_priv *priv, void *rxbuf, void *txbuf, int len)
static int spictrl_read_write(
struct spictrl_priv *priv,
void *rxbuf,
void *txbuf,
int len)
{
unsigned int tx_word, rx_word, tmp;
int txshift = priv->txshift;