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net: cadence_gem: Add macro with max number of descriptor words

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Add macro with max number of DMA descriptor words.
No functional change.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20181011021931.4249-5-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Edgar E. Iglesias 2018-10-11 04:19:23 +02:00 • committed by Peter Maydell
parent f02361822f
commit 8568313f3b
2 changed files with 6 additions and 3 deletions
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4
hw/net/cadence_gem.c
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@ -1042,7 +1042,7 @@ static void gem_transmit_updatestats(CadenceGEMState *s, const uint8_t *packet,
*/
static void gem_transmit(CadenceGEMState *s)
{
uint32_t desc[2];
uint32_t desc[DESC_MAX_NUM_WORDS];
hwaddr packet_desc_addr;
uint8_t tx_packet[2048];
uint8_t *p;
@ -1108,7 +1108,7 @@ static void gem_transmit(CadenceGEMState *s)
/* Last descriptor for this packet; hand the whole thing off */
if (tx_desc_get_last(desc)) {
uint32_t desc_first[2];
uint32_t desc_first[DESC_MAX_NUM_WORDS];
/* Modify the 1st descriptor of this packet to be owned by
* the processor.