]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
vme_tsi148: Fix PCI address mapping assumption
authorJoe Schultz <jschultz@xes-inc.com>
Thu, 3 Apr 2014 19:48:16 +0000 (14:48 -0500)
committerJiri Slaby <jslaby@suse.cz>
Wed, 19 Nov 2014 22:44:27 +0000 (23:44 +0100)
commit8a8f33b2f640e1e7d0486888293817f56505aa4f
treec8f147986d7d4a990e736d029c93ea79a86cb869
parent8d6960fa02a523485d20ae8bd4bf3b6731f00937
vme_tsi148: Fix PCI address mapping assumption

commit 226572b110ab6083cb8c1d6afb191166b4178179 upstream.

Previously, tsi148_master_set() assumed the address contained in its
PCI bus resource represented the actual PCI bus address. This is a fine
assumption on some platforms. However, on platforms that don't use a
1:1 (CPU:PCI) mapping this results in the tsi148 driver configuring an
invalid master window translation.

This patch updates the vme_tsi148 driver to first convert the address
contained in the PCI bus resource into a PCI bus address before using
it.

[asierra: account for pcibios_resource_to_bus() prototype change]
Signed-off-by: Joe Schultz <jschultz@xes-inc.com>
Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
drivers/vme/bridges/vme_tsi148.c