/*
* check if a CAN controller is present at the specified location
*/
static inline int pcan_channel_present(struct sja1000_priv *priv)
{
/* make sure SJA1000 is in reset mode */
pcan_write_canreg(priv, REG_MOD, 1);
pcan_write_canreg(priv, REG_CDR, CDR_PELICAN);
/* read reset-values */
if (pcan_read_canreg(priv, REG_CDR) == CDR_PELICAN)
return 1;
return 0;
}
static inline int pcan_channel_present(struct sja1000_priv *priv)
{
pcan_write_canreg(priv, REG_MOD, 1);
pcan_write_canreg(priv, REG_CDR, CDR_PELICAN);
if (pcan_read_canreg(priv, REG_CDR) == CDR_PELICAN)
return 1;
return 0;
}