tree 2b69b5411125829b54b4f13a7350fdd4e112b61c
parent 5611cc4572e889b62a7b4c72a413536bf6a9c416
author Yinghai Lu <yinghai.lu@oracle.com> 1323722354 -0800
committer Konrad Rzeszutek Wilk <konrad@kernel.org> 1323785311 -0500

ibft: Fix finding IBFT ACPI table on UEFI

Found one system with UEFI/iBFT, kernel does not detect the iBFT during
iscsi_ibft module loading.

Root cause: on x86 (UEFI), we are calling of find_ibft_region() much earlier
- specifically in setup_arch() before ACPI is enabled.

Try to split acpi checking code out and call that later

At that time ACPI iBFT already get permanent mapped with ioremap.
So isa_virt_to_bus() will get wrong phys from right virt address.
We could just skip that phys address printing.

For legacy one, print the found address early.

-v2: update comments and description according to Konrad.
-v3: fix problem about module use case that is found by Konrad.
-v4: use acpi_get_table() instead of acpi_table_parse() to handle module use case that is found by Konrad again..
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad@kernel.org>