patch-2.4.19 linux-2.4.19/arch/mips/sni/int-handler.S

Next file: linux-2.4.19/arch/mips/sni/io.c
Previous file: linux-2.4.19/arch/mips/sibyte/swarm/time.c
Back to the patch index
Back to the overall index

diff -urN linux-2.4.18/arch/mips/sni/int-handler.S linux-2.4.19/arch/mips/sni/int-handler.S
@@ -1,7 +1,7 @@
 /*
  * SNI RM200 PCI specific interrupt handler code.
  *
- * Copyright (C) 1994, 95, 96, 97, 98, 1999, 2000 by Ralf Baechle
+ * Copyright (C) 1994, 95, 96, 97, 98, 1999, 2000, 01 by Ralf Baechle
  */
 #include <asm/asm.h>
 #include <asm/mipsregs.h>
@@ -9,12 +9,13 @@
 #include <asm/sni.h>
 #include <asm/stackframe.h>
 
-/* The PCI ASIC has the nasty property that it may delay writes if it is busy.
-   As a consequence from writes that have not graduated when we exit from the
-   interrupt handler we might catch a spurious interrupt.  To avoid this we
-   force the PCI ASIC to graduate all writes by executing a read from the
-   PCI bus.  */
-
+/*
+ * The PCI ASIC has the nasty property that it may delay writes if it is busy.
+ * As a consequence from writes that have not graduated when we exit from the
+ * interrupt handler we might catch a spurious interrupt.  To avoid this we
+ * force the PCI ASIC to graduate all writes by executing a read from the
+ * PCI bus.
+ */
 		.set	noreorder
 		.set	noat
 		.align	5
@@ -46,7 +47,7 @@
 		bnez	t1, _hwint0
 		 nop
 
-		j	return				# spurious interrupt
+		j	restore_all			# spurious interrupt
 		 nop
 
  ##############################################################################

FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)