[PATCH v2 12/25] i915: switch from acpi_os_ioremap to ioremap

[Dan Williams]

acpi_os_ioremap uses cached mappings, however it appears that i915
wants to read dynamic platform state.  Switch to ioremap() to prevent it
reading stale state from cache.

Cc: Daniel Vetter <daniel.vetter at intel.com>
Cc: Jani Nikula <jani.nikula at linux.intel.com>
Cc: intel-gfx at lists.freedesktop.org
Cc: David Airlie <airlied at linux.ie>
Cc: dri-devel at lists.freedesktop.org
Signed-off-by: Dan Williams <dan.j.williams at intel.com>
---
 drivers/gpu/drm/i915/intel_opregion.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_opregion.c 
b/drivers/gpu/drm/i915/intel_opregion.c
index 481337436f72..16ba7c67410d 100644
--- a/drivers/gpu/drm/i915/intel_opregion.c
+++ b/drivers/gpu/drm/i915/intel_opregion.c
@@ -863,7 +863,7 @@ int intel_opregion_setup(struct drm_device *dev)
        INIT_WORK(&opregion->asle_work, asle_work);
 #endif

-       base = acpi_os_ioremap(asls, OPREGION_SIZE);
+       base = ioremap(asls, OPREGION_SIZE);
        if (!base)
                return -ENOMEM;