Fix sparse warnings like these:

 drivers/block/ps3vram.c: warning: incorrect type in assignment (different 
address spaces)
 drivers/block/ps3vram.c:    expected unsigned int [usertype] *ctrl
 drivers/block/ps3vram.c:    got void [noderef] <asn:2>*

Cc: Jim Paris <j...@jtan.com>
Cc: Jens Axboe <ax...@kernel.dk>
Signed-off-by: Geoff Levand <ge...@infradead.org>
---
 drivers/block/ps3vram.c | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/block/ps3vram.c b/drivers/block/ps3vram.c
index ef45cfb..a7bf836 100644
--- a/drivers/block/ps3vram.c
+++ b/drivers/block/ps3vram.c
@@ -73,8 +73,8 @@ struct ps3vram_priv {
 
        u64 memory_handle;
        u64 context_handle;
-       u32 *ctrl;
-       void *reports;
+       u32 __iomem *ctrl;
+       void __iomem *reports;
        u8 *xdr_buf;
 
        u32 *fifo_base;
@@ -104,7 +104,7 @@ static char *size = "256M";
 module_param(size, charp, 0);
 MODULE_PARM_DESC(size, "memory size");
 
-static u32 *ps3vram_get_notifier(void *reports, int notifier)
+static u32 __iomem *ps3vram_get_notifier(void __iomem *reports, int notifier)
 {
        return reports + DMA_NOTIFIER_OFFSET_BASE +
               DMA_NOTIFIER_SIZE * notifier;
@@ -113,22 +113,22 @@ static u32 *ps3vram_get_notifier(void *reports, int 
notifier)
 static void ps3vram_notifier_reset(struct ps3_system_bus_device *dev)
 {
        struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
-       u32 *notify = ps3vram_get_notifier(priv->reports, NOTIFIER);
+       u32 __iomem *notify = ps3vram_get_notifier(priv->reports, NOTIFIER);
        int i;
 
        for (i = 0; i < 4; i++)
-               notify[i] = 0xffffffff;
+               iowrite32be(0xffffffff, notify + i);
 }
 
 static int ps3vram_notifier_wait(struct ps3_system_bus_device *dev,
                                 unsigned int timeout_ms)
 {
        struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
-       u32 *notify = ps3vram_get_notifier(priv->reports, NOTIFIER);
+       u32 __iomem *notify = ps3vram_get_notifier(priv->reports, NOTIFIER);
        unsigned long timeout;
 
        for (timeout = 20; timeout; timeout--) {
-               if (!notify[3])
+               if (!ioread32be(notify + 3))
                        return 0;
                udelay(10);
        }
@@ -136,7 +136,7 @@ static int ps3vram_notifier_wait(struct 
ps3_system_bus_device *dev,
        timeout = jiffies + msecs_to_jiffies(timeout_ms);
 
        do {
-               if (!notify[3])
+               if (!ioread32be(notify + 3))
                        return 0;
                msleep(1);
        } while (time_before(jiffies, timeout));
@@ -148,8 +148,8 @@ static void ps3vram_init_ring(struct ps3_system_bus_device 
*dev)
 {
        struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
 
-       priv->ctrl[CTRL_PUT] = FIFO_BASE + FIFO_OFFSET;
-       priv->ctrl[CTRL_GET] = FIFO_BASE + FIFO_OFFSET;
+       iowrite32be(FIFO_BASE + FIFO_OFFSET, priv->ctrl + CTRL_PUT);
+       iowrite32be(FIFO_BASE + FIFO_OFFSET, priv->ctrl + CTRL_GET);
 }
 
 static int ps3vram_wait_ring(struct ps3_system_bus_device *dev,
@@ -159,14 +159,14 @@ static int ps3vram_wait_ring(struct ps3_system_bus_device 
*dev,
        unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms);
 
        do {
-               if (priv->ctrl[CTRL_PUT] == priv->ctrl[CTRL_GET])
+               if (ioread32be(priv->ctrl + CTRL_PUT) == ioread32be(priv->ctrl 
+ CTRL_GET))
                        return 0;
                msleep(1);
        } while (time_before(jiffies, timeout));
 
        dev_warn(&dev->core, "FIFO timeout (%08x/%08x/%08x)\n",
-                priv->ctrl[CTRL_PUT], priv->ctrl[CTRL_GET],
-                priv->ctrl[CTRL_TOP]);
+                ioread32be(priv->ctrl + CTRL_PUT), ioread32be(priv->ctrl + 
CTRL_GET),
+                ioread32be(priv->ctrl + CTRL_TOP));
 
        return -ETIMEDOUT;
 }
@@ -189,7 +189,7 @@ static void ps3vram_rewind_ring(struct 
ps3_system_bus_device *dev)
 
        ps3vram_out_ring(priv, 0x20000000 | (FIFO_BASE + FIFO_OFFSET));
 
-       priv->ctrl[CTRL_PUT] = FIFO_BASE + FIFO_OFFSET;
+       iowrite32be(FIFO_BASE + FIFO_OFFSET, priv->ctrl + CTRL_PUT);
 
        /* asking the HV for a blit will kick the FIFO */
        status = lv1_gpu_fb_blit(priv->context_handle, 0, 0, 0, 0);
@@ -207,8 +207,8 @@ static void ps3vram_fire_ring(struct ps3_system_bus_device 
*dev)
 
        mutex_lock(&ps3_gpu_mutex);
 
-       priv->ctrl[CTRL_PUT] = FIFO_BASE + FIFO_OFFSET +
-                              (priv->fifo_ptr - priv->fifo_base) * sizeof(u32);
+       iowrite32be(FIFO_BASE + FIFO_OFFSET + (priv->fifo_ptr - priv->fifo_base)
+               * sizeof(u32), priv->ctrl + CTRL_PUT);
 
        /* asking the HV for a blit will kick the FIFO */
        status = lv1_gpu_fb_blit(priv->context_handle, 0, 0, 0, 0);
-- 
2.1.0


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