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| author | Martin Aberg <maberg@gaisler.com> | 2017-04-13 14:06:04 +0200 |
|---|---|---|
| committer | Daniel Hellstrom <daniel@gaisler.com> | 2017-05-14 12:31:59 +0200 |
| commit | ee078c217ddb67af7456bfc32afae55573bdec41 (patch) | |
| tree | f9d8ce899157a333080fc7fceac5473278437234 | |
| parent | leon, grcan: semaphore reset count required after flushing (diff) | |
| download | rtems-ee078c217ddb67af7456bfc32afae55573bdec41.tar.bz2 | |
leon, grcan: fixed historical comment
| -rw-r--r-- | c/src/lib/libbsp/sparc/shared/can/grcan.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/c/src/lib/libbsp/sparc/shared/can/grcan.c b/c/src/lib/libbsp/sparc/shared/can/grcan.c index ac1c71849a..b1eacc01bd 100644 --- a/c/src/lib/libbsp/sparc/shared/can/grcan.c +++ b/c/src/lib/libbsp/sparc/shared/can/grcan.c @@ -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) { |