From: Keith Packard <keithp@keithp.com>
Date: Mon, 28 May 2012 17:47:28 +0000 (-0600)
Subject: altos: Clear stm i2c transfer timeout alarm
X-Git-Tag: 1.0.9.5~1
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=47bc9b2a39b7a8d3ef3fe8acc7fbf0512695e548

altos: Clear stm i2c transfer timeout alarm

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

diff --git a/src/stm/ao_i2c_stm.c b/src/stm/ao_i2c_stm.c
index 763ae6cd..d82342db 100644
--- a/src/stm/ao_i2c_stm.c
+++ b/src/stm/ao_i2c_stm.c
@@ -250,10 +250,9 @@ ao_i2c_send(void *block, uint16_t len, uint8_t index, uint8_t stop)
 	ao_alarm(1 + len);
 	cli();
 	while (!ao_dma_done[tx_dma_index])
-		if (ao_sleep(&ao_dma_done[tx_dma_index])) {
-			printf ("send timeout\n");
+		if (ao_sleep(&ao_dma_done[tx_dma_index]))
 			break;
-		}
+	ao_clear_alarm();
 	ao_dma_done_transfer(tx_dma_index);
 	out_cr2("send enable isr", stm_i2c,
 		AO_STM_I2C_CR2 | (1 << STM_I2C_CR2_ITEVTEN) | (1 << STM_I2C_CR2_ITERREN));