From: Jun Sun <jsun@mvista.com>
To: linux-mips@oss.sgi.com
Subject: lift the ioport_resource limit ...
Date: Wed, 09 May 2001 10:35:12 -0700 [thread overview]
Message-ID: <3AF97FD0.7F382E49@mvista.com> (raw)
Currently IO_SPACE_LIMIT is 0xffff, which is probably borrowed from the legacy
i386 code. Let us remove that limit, so that each machine does not have to
laboriously reset it.
BTW, a prudent machine port should probably always reset it to a more sane
range - in any case having 0xffff default value does not make much sense.
Jun
diff -Nru linux/include/asm-mips/io.h.orig linux/include/asm-mips/io.h
--- linux/include/asm-mips/io.h.orig Fri Feb 9 16:43:15 2001
+++ linux/include/asm-mips/io.h Wed May 9 10:26:44 2001
@@ -436,7 +436,7 @@
__inslc((port),(addr),(count)) : \
__insl((port),(addr),(count)))
-#define IO_SPACE_LIMIT 0xffff
+#define IO_SPACE_LIMIT 0xffffffff
/*
* The caches on some architectures aren't dma-coherent and have need to
next reply other threads:[~2001-05-09 17:34 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-05-09 17:35 Jun Sun [this message]
2001-05-09 19:26 ` lift the ioport_resource limit Ralf Baechle
2001-05-09 21:06 ` Jun Sun
2001-05-10 9:43 ` Maciej W. Rozycki
2001-05-10 9:58 ` Geert Uytterhoeven
2001-05-10 11:08 ` Maciej W. Rozycki
2001-05-10 18:11 ` Jun Sun
2001-05-10 20:20 ` Ralf Baechle
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