When i2o_iop_systab_set() allocates I/O port space, it specifies 1Mb alignment required. This seems unlikely, since most platforms have only 64Kb of I/O space total. I think 4Kb is a more reasonable choice, since that's the minimum alignment of a PCI-PCI bridge I/O window.
My guess is that this is a copy/paste error from the memory allocation code, which specifies 1Mb alignment (which is the minimum alignment of a PCI-PCI bridge memory window). Signed-off-by: Bjorn Helgaas <[email protected]> --- drivers/message/i2o/iop.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/message/i2o/iop.c b/drivers/message/i2o/iop.c index a8373d7aaef7..68aef58bf89c 100644 --- a/drivers/message/i2o/iop.c +++ b/drivers/message/i2o/iop.c @@ -700,7 +700,7 @@ static int i2o_iop_systab_set(struct i2o_controller *c) root = pci_find_parent_resource(c->pdev, res); if (root == NULL) osm_warn("%s: Can't find parent resource!\n", c->name); - if (root && allocate_resource(root, res, sb->desired_io_size, sb->desired_io_size, sb->desired_io_size, 1 << 20, /* Unspecified, so use 1Mb and play safe */ + if (root && allocate_resource(root, res, sb->desired_io_size, sb->desired_io_size, sb->desired_io_size, 1 << 12, /* Unspecified, so use 4Kb and play safe */ NULL, NULL) >= 0) { c->io_alloc = 1; sb->current_io_size = resource_size(res); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
