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leon, grcan: fixed historical comment

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This commit is contained in:
Martin Aberg
2017-04-13 14:06:04 +02:00
committed by Daniel Hellstrom
parent 9154155110
commit ee078c217d
1 changed files with 3 additions and 4 deletions
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7
c/src/lib/libbsp/sparc/shared/can/grcan.c
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@@ -979,12 +979,11 @@ static int grcan_wait_rxdata(struct grcan_priv *pDev, int min)
return 0; 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. * point the location of the CAN message corresponding to min.
* *
* min must be at least WRAP_AROUND_TX_BYTES bytes less * min must be at least WRAP_AROUND_TX_MSGS less than max buffer capacity
* than max buffer for this algo to work. * (pDev->txbuf_size/GRCAN_MSG_SIZE) for this algo to work.
*
*/ */
static int grcan_wait_txspace(struct grcan_priv *pDev, int min) static int grcan_wait_txspace(struct grcan_priv *pDev, int min)
{ {