From: Du, Changbin <changbin.du@intel.com>
Date: Thu, 20 Oct 2016 06:08:46 +0000 (+0800)
Subject: drm/i915/gvt: fix sparse warnings on different address spaces
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=321927db98320f0121adc50a8325f23e08735c34;p=linux-beck.git

drm/i915/gvt: fix sparse warnings on different address spaces

Add proper __iomem annotation for pointers obtained via ioremap().

Signed-off-by: Du, Changbin <changbin.du@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
---

diff --git a/drivers/gpu/drm/i915/gvt/firmware.c b/drivers/gpu/drm/i915/gvt/firmware.c
index d068a524a699..2fae2a2ca96f 100644
--- a/drivers/gpu/drm/i915/gvt/firmware.c
+++ b/drivers/gpu/drm/i915/gvt/firmware.c
@@ -51,7 +51,7 @@ struct gvt_firmware_header {
 #define RD(offset) (readl(mmio + offset.reg))
 #define WR(v, offset) (writel(v, mmio + offset.reg))
 
-static void bdw_forcewake_get(void *mmio)
+static void bdw_forcewake_get(void __iomem *mmio)
 {
 	WR(_MASKED_BIT_DISABLE(0xffff), FORCEWAKE_MT);
 
@@ -91,7 +91,8 @@ static struct bin_attribute firmware_attr = {
 	.mmap = NULL,
 };
 
-static int expose_firmware_sysfs(struct intel_gvt *gvt, void *mmio)
+static int expose_firmware_sysfs(struct intel_gvt *gvt,
+					void __iomem *mmio)
 {
 	struct intel_gvt_device_info *info = &gvt->device_info;
 	struct pci_dev *pdev = gvt->dev_priv->drm.pdev;
@@ -234,7 +235,8 @@ int intel_gvt_load_firmware(struct intel_gvt *gvt)
 	struct gvt_firmware_header *h;
 	const struct firmware *fw;
 	char *path;
-	void *mmio, *mem;
+	void __iomem *mmio;
+	void *mem;
 	int ret;
 
 	path = kmalloc(PATH_MAX, GFP_KERNEL);
diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
index 0722d1e61fce..a8c2405f6f3e 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -269,7 +269,7 @@ static inline int get_pse_type(int type)
 
 static u64 read_pte64(struct drm_i915_private *dev_priv, unsigned long index)
 {
-	void *addr = (u64 *)dev_priv->ggtt.gsm + index;
+	void __iomem *addr = (gen8_pte_t __iomem *)dev_priv->ggtt.gsm + index;
 	u64 pte;
 
 #ifdef readq
@@ -284,7 +284,7 @@ static u64 read_pte64(struct drm_i915_private *dev_priv, unsigned long index)
 static void write_pte64(struct drm_i915_private *dev_priv,
 		unsigned long index, u64 pte)
 {
-	void *addr = (u64 *)dev_priv->ggtt.gsm + index;
+	void __iomem *addr = (gen8_pte_t __iomem *)dev_priv->ggtt.gsm + index;
 
 #ifdef writeq
 	writeq(pte, addr);
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h
index 15c595e0a63b..11df62b542b1 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.h
+++ b/drivers/gpu/drm/i915/gvt/gvt.h
@@ -186,7 +186,7 @@ struct intel_gvt_firmware {
 };
 
 struct intel_gvt_opregion {
-	void *opregion_va;
+	void __iomem *opregion_va;
 	u32 opregion_pa;
 };
 
diff --git a/drivers/gpu/drm/i915/gvt/opregion.c b/drivers/gpu/drm/i915/gvt/opregion.c
index 53ac81f63c64..973c8a9d0b15 100644
--- a/drivers/gpu/drm/i915/gvt/opregion.c
+++ b/drivers/gpu/drm/i915/gvt/opregion.c
@@ -27,7 +27,7 @@
 
 static int init_vgpu_opregion(struct intel_vgpu *vgpu, u32 gpa)
 {
-	void *host_va = vgpu->gvt->opregion.opregion_va;
+	void __iomem *host_va = vgpu->gvt->opregion.opregion_va;
 	u8 *buf;
 	int i;