From: Keith Packard <keithp@keithp.com>
Date: Wed, 29 Aug 2012 01:05:10 +0000 (-0700)
Subject: altos: When sharing radio DMA for AES, use it for in instead of out
X-Git-Tag: 1.1~62
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=f2d919a2147025daa332957cda6d91959e4731ab

altos: When sharing radio DMA for AES, use it for in instead of out

We look at the out_done value, but not the in_done value; if we use
the radio DMA for out, we would have to use ao_radio_dma_done to check
for completion. This way, we can ignore that value and use the
existing ao_aes_dma_out_done value.

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/src/cc1111/ao_aes.c b/src/cc1111/ao_aes.c
index 0e32abf6..b1f305ec 100644
--- a/src/cc1111/ao_aes.c
+++ b/src/cc1111/ao_aes.c
@@ -135,12 +135,12 @@ ao_aes_run(__xdata uint8_t *in,
 void
 ao_aes_init(void)
 {
-	ao_aes_dma_in = ao_dma_alloc(&ao_aes_dma_in_done);
 #if DMA_SHARE_AES_RADIO
-	ao_aes_dma_out = ao_radio_dma;
+	ao_aes_dma_in = ao_radio_dma;
 #else
-	ao_aes_dma_out = ao_dma_alloc(&ao_aes_dma_out_done);
+	ao_aes_dma_in = ao_dma_alloc(&ao_aes_dma_in_done);
 #endif
+	ao_aes_dma_out = ao_dma_alloc(&ao_aes_dma_out_done);
 	S0CON = 0;
 	ENCIE = 1;
 }