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net: zynq: Add a note about RX_BUF macro

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Record note about reducing number of BDs.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Michal Simek 2019-05-22 14:12:20 +02:00
parent cecf7f4958
commit 8af4c4dcbb
1 changed files with 1 additions and 0 deletions
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drivers/net/zynq_gem.c
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@ -173,6 +173,7 @@ struct emac_bd {
#endif
};
/* Reduce amount of BUFs if you have limited amount of memory */
#define RX_BUF 32
/* Page table entries are set to 1MB, or multiples of 1MB
* (not < 1MB). driver uses less bd's so use 1MB bdspace.