drmm_add_action_or_reset() is unaware of __iomem and the pointer needs to be a plain void *. Cast __iomem away and back while the pointer goes through drmm.
drivers/gpu/drm/i915/intel_uncore.c:2463:17: warning: incorrect type in argument 1 (different address spaces) drivers/gpu/drm/i915/intel_uncore.c:2463:17: expected void volatile [noderef] __iomem *addr drivers/gpu/drm/i915/intel_uncore.c:2463:17: got void *regs drivers/gpu/drm/i915/intel_uncore.c:2494:16: warning: incorrect type in argument 3 (different address spaces) drivers/gpu/drm/i915/intel_uncore.c:2494:16: expected void *data drivers/gpu/drm/i915/intel_uncore.c:2494:16: got void [noderef] __iomem *regs Cc: Matt Roper <[email protected]> Signed-off-by: Jani Nikula <[email protected]> --- drivers/gpu/drm/i915/intel_uncore.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 8dee9e62a73e..f018da7ebaac 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -2460,7 +2460,7 @@ static int i915_pmic_bus_access_notifier(struct notifier_block *nb, static void uncore_unmap_mmio(struct drm_device *drm, void *regs) { - iounmap(regs); + iounmap((void __iomem *)regs); } int intel_uncore_setup_mmio(struct intel_uncore *uncore, phys_addr_t phys_addr) @@ -2491,7 +2491,8 @@ int intel_uncore_setup_mmio(struct intel_uncore *uncore, phys_addr_t phys_addr) return -EIO; } - return drmm_add_action_or_reset(&i915->drm, uncore_unmap_mmio, uncore->regs); + return drmm_add_action_or_reset(&i915->drm, uncore_unmap_mmio, + (void __force *)uncore->regs); } void intel_uncore_init_early(struct intel_uncore *uncore, -- 2.34.1
