From: ppisa <ppisa>
Date: Wed, 3 May 2006 02:36:13 +0000 (+0000)
Subject: The SJA1000 interrupt support modified to provide more robust error recovery handling.
X-Git-Tag: CLT_COMM_CAN-lincan-0_3_3~3
X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/commitdiff_plain/38c3866a0be5c5607d2761ec1c5b81a4aaa1c873

The SJA1000 interrupt support modified to provide more robust error recovery handling.
---

diff --git a/lincan/src/sja1000p.c b/lincan/src/sja1000p.c
index 36319a1..ffadb6c 100644
--- a/lincan/src/sja1000p.c
+++ b/lincan/src/sja1000p.c
@@ -767,7 +767,8 @@ int sja1000p_irq_handler(int irq, struct canchip_t *chip)
 
 		/* (irq_register & sjaIR_TI) */
 		/*	old variant using SJAIR, collides with intended use with irq_accept */
-		if ((status & sjaSR_TBS) && can_msgobj_test_fl(obj,TX_PENDING)) {
+		if (((status & sjaSR_TBS) && can_msgobj_test_fl(obj,TX_PENDING))||
+		    (can_msgobj_test_fl(obj,TX_REQUEST))) {
 			DEBUGMSG("sja1000_irq_handler: TI or TX_PENDING and TBS\n");
 			obj->ret = 0;
 			can_msgobj_set_fl(obj,TX_REQUEST);
@@ -824,7 +825,7 @@ int sja1000p_irq_handler(int irq, struct canchip_t *chip)
 			 can_msgobj_set_fl(obj,TX_REQUEST);
 
 	} while((irq_register & (sjaIR_BEI|sjaIR_EPI|sjaIR_DOI|sjaIR_EI|sjaIR_RI)) ||
-	        (can_msgobj_test_fl(obj,TX_PENDING) && !can_msgobj_test_fl(obj,TX_LOCK)) ||
+	        (can_msgobj_test_fl(obj,TX_REQUEST) && !can_msgobj_test_fl(obj,TX_LOCK)) ||
 		(status & sjaSR_RBS));
 
 	return CANCHIP_IRQ_HANDLED;