[Armadeus-commitlog] SF.net SVN: armadeus:[1225] trunk/target/linux/modules/fpga/ wishbone_example/wb_irq_mngr/main.c

[<th...@us...>]

Revision: 1225
          http://armadeus.svn.sourceforge.net/armadeus/?rev=1225&view=rev
Author:   thom25
Date:     2009-04-16 07:32:43 +0000 (Thu, 16 Apr 2009)

Log Message:
-----------
[LINUX] force ISR clear before enabling the interrupt

Modified Paths:
--------------
    trunk/target/linux/modules/fpga/wishbone_example/wb_irq_mngr/main.c

Modified: trunk/target/linux/modules/fpga/wishbone_example/wb_irq_mngr/main.c
===================================================================
--- trunk/target/linux/modules/fpga/wishbone_example/wb_irq_mngr/main.c	2009-04-15 11:54:45 UTC (rev 1224)
+++ trunk/target/linux/modules/fpga/wishbone_example/wb_irq_mngr/main.c	2009-04-16 07:32:43 UTC (rev 1225)
@@ -160,10 +160,12 @@
 	/* Mask all interrupts initially */
 	writew(0, FPGA_IMR);
 
-	for (irq = IRQ_FPGA(0); irq < IRQ_FPGA(NB_IT-1); irq++) {
+	for (irq = IRQ_FPGA(0); irq < IRQ_FPGA(NB_IT); irq++) {
 		pr_debug("IRQ %d\n", irq);
 		set_irq_chip_and_handler(irq, &imx_fpga_chip, handle_edge_irq);
 		set_irq_flags(irq, IRQF_VALID);
+		/* clear pending interrrupts */ 
+		imx_fpga_ack_irq(irq);
 	}
 	set_irq_chained_handler(ARMADEUS_FPGA_IRQ, imx_fpga_demux_handler);
 
@@ -177,7 +179,7 @@
 static void __exit ocore_irq_mng_exit(void)
 {
 	unsigned int irq;
-	for (irq = IRQ_FPGA(0); irq < IRQ_FPGA(NB_IT-1); irq++) {
+	for (irq = IRQ_FPGA(0); irq < IRQ_FPGA(NB_IT); irq++) {
 		set_irq_chip( irq, NULL);
 		set_irq_handler(irq,NULL);
 		set_irq_flags(irq, 0);


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