usb: host: oxu210hp-hcd: fix __iomem annotations

There are a number of places in the driver where it fails
to maintain __iomem on pointers used to access registers
so fixup the warnings by adding these in the appropriate
places.

Examples of the sparse warnings fixed:

drivers/usb/host/oxu210hp-hcd.c:686:9: warning: incorrect type in argument 2 (different address spaces)
drivers/usb/host/oxu210hp-hcd.c:686:9:    expected void volatile [noderef] <asn:2> *addr
drivers/usb/host/oxu210hp-hcd.c:686:9:    got void *
drivers/usb/host/oxu210hp-hcd.c:686:9: warning: incorrect type in argument 2 (different address spaces)
drivers/usb/host/oxu210hp-hcd.c:686:9:    expected void volatile [noderef] <asn:2> *addr
drivers/usb/host/oxu210hp-hcd.c:686:9:    got void *
drivers/usb/host/oxu210hp-hcd.c:686:9: warning: incorrect type in argument 2 (different address spaces)
drivers/usb/host/oxu210hp-hcd.c:686:9:    expected void volatile [noderef] <asn:2> *addr
drivers/usb/host/oxu210hp-hcd.c:686:9:    got void *
drivers/usb/host/oxu210hp-hcd.c:681:16: warning: incorrect type in argument 1 (different address spaces)
drivers/usb/host/oxu210hp-hcd.c:681:16:    expected void const volatile [noderef] <asn:2> *addr
drivers/usb/host/oxu210hp-hcd.c:681:16:    got void *
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Link: https://lore.kernel.org/r/20191017171934.8771-1-ben.dooks@codethink.co.ukSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/oxu210hp-hcd.c

@@ -676,12 +676,12 @@ static int oxu_hub_control(struct usb_hcd *hcd,
  */
 
 /* Low level read/write registers functions */
-static inline u32 oxu_readl(void *base, u32 reg)
+static inline u32 oxu_readl(void __iomem *base, u32 reg)
 {
 	return readl(base + reg);
 }
 
-static inline void oxu_writel(void *base, u32 reg, u32 val)
+static inline void oxu_writel(void __iomem *base, u32 reg, u32 val)
 {
 	writel(val, base + reg);
 }
@@ -4063,7 +4063,7 @@ static const struct hc_driver oxu_hc_driver = {
  * Module stuff
  */
 
-static void oxu_configuration(struct platform_device *pdev, void *base)
+static void oxu_configuration(struct platform_device *pdev, void __iomem *base)
 {
 	u32 tmp;
 
@@ -4093,7 +4093,7 @@ static void oxu_configuration(struct platform_device *pdev, void *base)
 	oxu_writel(base, OXU_CHIPIRQEN_SET, OXU_USBSPHLPWUI | OXU_USBOTGLPWUI);
 }
 
-static int oxu_verify_id(struct platform_device *pdev, void *base)
+static int oxu_verify_id(struct platform_device *pdev, void __iomem *base)
 {
 	u32 id;
 	static const char * const bo[] = {
@@ -4121,7 +4121,7 @@ static int oxu_verify_id(struct platform_device *pdev, void *base)
 static const struct hc_driver oxu_hc_driver;
 static struct usb_hcd *oxu_create(struct platform_device *pdev,
 				unsigned long memstart, unsigned long memlen,
-				void *base, int irq, int otg)
+				void __iomem *base, int irq, int otg)
 {
 	struct device *dev = &pdev->dev;
 
@@ -4158,7 +4158,7 @@ static struct usb_hcd *oxu_create(struct platform_device *pdev,
 
 static int oxu_init(struct platform_device *pdev,
 				unsigned long memstart, unsigned long memlen,
-				void *base, int irq)
+				void __iomem *base, int irq)
 {
 	struct oxu_info *info = platform_get_drvdata(pdev);
 	struct usb_hcd *hcd;
@@ -4207,7 +4207,7 @@ static int oxu_init(struct platform_device *pdev,
 static int oxu_drv_probe(struct platform_device *pdev)
 {
 	struct resource *res;
-	void *base;
+	void __iomem *base;
 	unsigned long memstart, memlen;
 	int irq, ret;
 	struct oxu_info *info;