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 <[email protected]> Cc: [email protected] Signed-off-by: Dan Williams <[email protected]> --- 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; -- 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/
