Re: [PATCH] (-mm) drivers/pci/msi: explicit declaration of msi_register

Jun'ichi Nomura wrote:

There is another problem that CONFIG_IA64_GENERIC still doesn't
build due to error in SGI SN specific code.

The error is as followings.

  CC      arch/ia64/sn/pci/msi.o
/build/rc6/source/arch/ia64/sn/pci/msi.c: At top level:
/build/rc6/source/arch/ia64/sn/pci/msi.c:192: error: variable `sn_msi_ops' has initializer but incomplete type
/build/rc6/source/arch/ia64/sn/pci/msi.c:193: error: unknown field `setup' specified in initializer
/build/rc6/source/arch/ia64/sn/pci/msi.c:193: warning: excess elements in struct initializer
/build/rc6/source/arch/ia64/sn/pci/msi.c:193: warning: (near initialization for `sn_msi_ops')
/build/rc6/source/arch/ia64/sn/pci/msi.c:194: error: unknown field `teardown' specified in initializer
/build/rc6/source/arch/ia64/sn/pci/msi.c:194: warning: excess elements in struct initializer
/build/rc6/source/arch/ia64/sn/pci/msi.c:194: warning: (near initialization for `sn_msi_ops')
/build/rc6/source/arch/ia64/sn/pci/msi.c:196: error: unknown field `target' specified in initializer
/build/rc6/source/arch/ia64/sn/pci/msi.c:196: warning: excess elements in struct initializer
/build/rc6/source/arch/ia64/sn/pci/msi.c:196: warning: (near initialization for `sn_msi_ops')
/build/rc6/source/arch/ia64/sn/pci/msi.c:192: error: storage size of `sn_msi_ops' isn't known

The code seems to define its own msi_ops but never include a
definition of struct msi_ops.

I think this is a sign that some part of arch/ia64/sn/pci/msi.c
should move to something like drivers/pci/msi-sgi-sn.c.
I leave it to SGI developers, who should have a good insight on
what the proper fix is. Mark?

If such fix doesn't come up soon, the attached patch can be
a band-aid.

Thanks,
--
Jun'ichi Nomura, NEC Solutions (America), Inc.

--- linux-2.6.16-rc6-mm1.orig/arch/ia64/sn/pci/msi.c	2006-03-14 18:13:18.000000000 -0500
+++ linux-2.6.16-rc6-mm1/arch/ia64/sn/pci/msi.c	2006-03-16 01:51:51.000000000 -0500
@@ -10,14 +10,15 @@
 #include <linux/pci.h>
 #include <linux/cpumask.h>
 
-#include <asm/msi.h>
-
 #include <asm/sn/addrs.h>
 #include <asm/sn/intr.h>
 #include <asm/sn/pcibus_provider_defs.h>
 #include <asm/sn/pcidev.h>
 #include <asm/sn/nodepda.h>
 
+#include "../../../../drivers/pci/pci.h"
+#include "../../../../drivers/pci/msi.h"
+
 struct sn_msi_info {
 	u64 pci_addr;
 	struct sn_irq_info *sn_irq_info;

---

• References:
  • [PATCH] (-mm) drivers/pci/msi: explicit declaration of msi_register
    • From: "Jun'ichi Nomura" <[email protected]>
  • Re: [PATCH] (-mm) drivers/pci/msi: explicit declaration of msi_register
    • From: Andrew Morton <[email protected]>
  • Re: [PATCH] (-mm) drivers/pci/msi: explicit declaration of msi_register
    • From: "Jun'ichi Nomura" <[email protected]>
  • Re: [PATCH] (-mm) drivers/pci/msi: explicit declaration of msi_register
    • From: Greg KH <[email protected]>

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