When failing due to conflicting I/O port registrations,
include the offending I/O port address in the message.

Cc: Aurelien Jarno <aurel...@aurel32.net>
Signed-off-by: Andreas Färber <andreas.faer...@web.de>
---
 v2:
 * Use "for address 0x%x" wording, as suggested by Aurelien.
 
 ioport.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/ioport.c b/ioport.c
index aa4188a..2e971fa 100644
--- a/ioport.c
+++ b/ioport.c
@@ -149,7 +149,8 @@ int register_ioport_read(pio_addr_t start, int length, int 
size,
     for(i = start; i < start + length; i += size) {
         ioport_read_table[bsize][i] = func;
         if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
-            hw_error("register_ioport_read: invalid opaque");
+            hw_error("register_ioport_read: invalid opaque for address 0x%x",
+                     i);
         ioport_opaque[i] = opaque;
     }
     return 0;
@@ -168,7 +169,8 @@ int register_ioport_write(pio_addr_t start, int length, int 
size,
     for(i = start; i < start + length; i += size) {
         ioport_write_table[bsize][i] = func;
         if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
-            hw_error("register_ioport_write: invalid opaque");
+            hw_error("register_ioport_write: invalid opaque for address 0x%x",
+                     i);
         ioport_opaque[i] = opaque;
     }
     return 0;
-- 
1.7.3.4


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