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Subject[PATCH] Mark i2o config broken on 64-bit platforms.
Mark i2o config broken on 64-bit platforms as it generates these:

In file included from drivers/message/i2o/config-osm.c:39:
drivers/message/i2o/i2o_config.c: In function 'i2o_cfg_passthru':
drivers/message/i2o/i2o_config.c:889: warning: cast to pointer from integer of different size
drivers/message/i2o/i2o_config.c:945: warning: cast to pointer from integer of different size

which are apparently non-trivial to fix (eg: inserting a cast through unsigned
long is not correct according to Linus). This would be due to struct
sg_simple_element only having a 32-bit addr_bus value.

There are also a number of "TODO 64bit fix" comments.

Signed-off-by: David Howells <>

drivers/message/i2o/Kconfig | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/message/i2o/Kconfig b/drivers/message/i2o/Kconfig
index 5afa0e3..c102225 100644
--- a/drivers/message/i2o/Kconfig
+++ b/drivers/message/i2o/Kconfig
@@ -54,7 +54,7 @@ config I2O_EXT_ADAPTEC_DMA64

config I2O_CONFIG
tristate "I2O Configuration support"
- depends on VIRT_TO_BUS
+ depends on VIRT_TO_BUS && (BROKEN || !64BIT)
Say Y for support of the configuration interface for the I2O adapters.
If you have a RAID controller from Adaptec and you want to use the
@@ -66,6 +66,8 @@ config I2O_CONFIG
Note: If you want to use the new API you have to download the
i2o_config patch from

+ Note: This is broken on 64-bit architectures.
bool "Enable ioctls (OBSOLETE)"
depends on I2O_CONFIG

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