leon, grcan: fixed historical comment

This commit is contained in:
Martin Aberg
2017-04-13 14:06:04 +02:00
committed by Daniel Hellstrom
parent 9154155110
commit ee078c217d

View File

@@ -979,12 +979,11 @@ static int grcan_wait_rxdata(struct grcan_priv *pDev, int min)
return 0;
}
/* Wait until min bytes available in TX circular buffer. TXIRQ is used to pin
/* Wait for TX circular buffer to have room for min CAN messagges. TXIRQ is used to pin
* point the location of the CAN message corresponding to min.
*
* min must be at least WRAP_AROUND_TX_BYTES bytes less
* than max buffer for this algo to work.
*
* min must be at least WRAP_AROUND_TX_MSGS less than max buffer capacity
* (pDev->txbuf_size/GRCAN_MSG_SIZE) for this algo to work.
*/
static int grcan_wait_txspace(struct grcan_priv *pDev, int min)
{