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[PATCH v2 11/25] gma500: switch from acpi_os_ioremap to ioremap

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  [PATCH v2 11/25] gma500: switch from acpi_os_ioremap to ioremap Dan Williams <dan.j.williams@intel.com> - 2015-07-25 04:50 +0200

#1192248 — [PATCH v2 11/25] gma500: switch from acpi_os_ioremap to ioremap

acpi_os_ioremap uses cached mappings, however it appears that gma500
wants to read dynamic platform state.  Switch to ioremap() to prevent it
reading stale state from cache.

Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/gpu/drm/gma500/opregion.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/gma500/opregion.c b/drivers/gpu/drm/gma500/opregion.c
index ab696ca7eeec..9809c26ea0cf 100644
--- a/drivers/gpu/drm/gma500/opregion.c
+++ b/drivers/gpu/drm/gma500/opregion.c
@@ -322,7 +322,7 @@ int psb_intel_opregion_setup(struct drm_device *dev)
 	INIT_WORK(&opregion->asle_work, psb_intel_opregion_asle_work);
 
 	DRM_DEBUG("OpRegion detected at 0x%8x\n", opregion_phy);
-	base = acpi_os_ioremap(opregion_phy, 8*1024);
+	base = ioremap(opregion_phy, 8*1024);
 	if (!base)
 		return -ENOMEM;
 

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