[PATCH staging-next] goldfish: pipe: fix warnings for 32bit builds

[Octavian Purdila <octavian.purdila@intel.com>]

drivers/platform/goldfish/goldfish_pipe.c: In function 'goldfish_cmd_status':
drivers/platform/goldfish/goldfish_pipe.c:164:14: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     writel((u32)(u64)pipe, dev->base + PIPE_REG_CHANNEL);
                 ^
drivers/platform/goldfish/goldfish_pipe.c: In function 'goldfish_cmd':
drivers/platform/goldfish/goldfish_pipe.c:180:14: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     writel((u32)(u64)pipe, dev->base + PIPE_REG_CHANNEL);
                 ^
drivers/platform/goldfish/goldfish_pipe.c: In function 'goldfish_pipe_read_write':
drivers/platform/goldfish/goldfish_pipe.c:337:16: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
       writel((u32)(u64)pipe, dev->base + PIPE_REG_CHANNEL);

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Cc: Jun Tian <jun.j.tian@intel.com>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
---
 drivers/platform/goldfish/goldfish_pipe.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/platform/goldfish/goldfish_pipe.c b/drivers/platform/goldfish/goldfish_pipe.c
index c86180b..d9a09d9 100644
--- a/drivers/platform/goldfish/goldfish_pipe.c
+++ b/drivers/platform/goldfish/goldfish_pipe.c
@@ -158,7 +158,7 @@ static u32 goldfish_cmd_status(struct goldfish_pipe *pipe, u32 cmd)
 	struct goldfish_pipe_dev *dev = pipe->dev;
 
 	spin_lock_irqsave(&dev->lock, flags);
-	gf_write64((u64)pipe, dev->base + PIPE_REG_CHANNEL,
+	gf_write64((u64)(unsigned long)pipe, dev->base + PIPE_REG_CHANNEL,
 				dev->base + PIPE_REG_CHANNEL_HIGH);
 	writel(cmd, dev->base + PIPE_REG_COMMAND);
 	status = readl(dev->base + PIPE_REG_STATUS);
@@ -172,7 +172,7 @@ static void goldfish_cmd(struct goldfish_pipe *pipe, u32 cmd)
 	struct goldfish_pipe_dev *dev = pipe->dev;
 
 	spin_lock_irqsave(&dev->lock, flags);
-	gf_write64((u64)pipe, dev->base + PIPE_REG_CHANNEL,
+	gf_write64((u64)(unsigned long)pipe, dev->base + PIPE_REG_CHANNEL,
 				dev->base + PIPE_REG_CHANNEL_HIGH);
 	writel(cmd, dev->base + PIPE_REG_COMMAND);
 	spin_unlock_irqrestore(&dev->lock, flags);
@@ -327,8 +327,9 @@ static ssize_t goldfish_pipe_read_write(struct file *filp, char __user *buffer,
 		spin_lock_irqsave(&dev->lock, irq_flags);
 		if (access_with_param(dev, CMD_WRITE_BUFFER + cmd_offset,
 				address, avail, pipe, &status)) {
-			gf_write64((u64)pipe, dev->base + PIPE_REG_CHANNEL,
-					dev->base + PIPE_REG_CHANNEL_HIGH);
+			gf_write64((u64)(unsigned long)pipe,
+				   dev->base + PIPE_REG_CHANNEL,
+				   dev->base + PIPE_REG_CHANNEL_HIGH);
 			writel(avail, dev->base + PIPE_REG_SIZE);
 			gf_write64(address, dev->base + PIPE_REG_ADDRESS,
 				dev->base + PIPE_REG_ADDRESS_HIGH);
-- 
1.8.3.2