goldfish: clean up the pipe driver 64bit ifdefs
authorAlan <alan@linux.intel.com>
Mon, 12 May 2014 15:57:22 +0000 (16:57 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 15 May 2014 20:20:42 +0000 (13:20 -0700)
Use the 64bit helper method to scrub most of the ifdefs from the driver. The
pipe reading has a funny case we can't scrub completely.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/platform/goldfish/goldfish_pipe.c

index 670b9b9..c86180b 100644 (file)
@@ -56,6 +56,7 @@
 #include <linux/bitops.h>
 #include <linux/slab.h>
 #include <linux/io.h>
+#include <linux/goldfish.h>
 
 /*
  * IMPORTANT: The following constants must match the ones used and defined
 #define PIPE_REG_COMMAND               0x00  /* write: value = command */
 #define PIPE_REG_STATUS                        0x04  /* read */
 #define PIPE_REG_CHANNEL               0x08  /* read/write: channel id */
-#ifdef CONFIG_64BIT
 #define PIPE_REG_CHANNEL_HIGH          0x30  /* read/write: channel id */
-#endif
 #define PIPE_REG_SIZE                  0x0c  /* read/write: buffer size */
 #define PIPE_REG_ADDRESS               0x10  /* write: physical address */
-#ifdef CONFIG_64BIT
 #define PIPE_REG_ADDRESS_HIGH          0x34  /* write: physical address */
-#endif
 #define PIPE_REG_WAKES                 0x14  /* read: wake flags */
 #define PIPE_REG_PARAMS_ADDR_LOW       0x18  /* read/write: batch data address */
 #define PIPE_REG_PARAMS_ADDR_HIGH      0x1c  /* read/write: batch data address */
@@ -155,16 +152,14 @@ enum {
 
 
 static u32 goldfish_cmd_status(struct goldfish_pipe *pipe, u32 cmd)
-{ 
+{
        unsigned long flags;
        u32 status;
        struct goldfish_pipe_dev *dev = pipe->dev;
 
        spin_lock_irqsave(&dev->lock, flags);
-       writel((u32)(u64)pipe, dev->base + PIPE_REG_CHANNEL);
-#ifdef CONFIG_64BIT
-       writel((u32)((u64)pipe >> 32), dev->base + PIPE_REG_CHANNEL_HIGH);
-#endif
+       gf_write64((u64)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);
        spin_unlock_irqrestore(&dev->lock, flags);
@@ -172,15 +167,13 @@ static u32 goldfish_cmd_status(struct goldfish_pipe *pipe, u32 cmd)
 }
 
 static void goldfish_cmd(struct goldfish_pipe *pipe, u32 cmd)
-{ 
+{
        unsigned long flags;
        struct goldfish_pipe_dev *dev = pipe->dev;
 
        spin_lock_irqsave(&dev->lock, flags);
-       writel((u32)(u64)pipe, dev->base + PIPE_REG_CHANNEL);
-#ifdef CONFIG_64BIT
-       writel((u32)((u64)pipe >> 32), dev->base + PIPE_REG_CHANNEL_HIGH);
-#endif
+       gf_write64((u64)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);
 }
@@ -334,15 +327,11 @@ 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)) {
-                       writel((u32)(u64)pipe, dev->base + PIPE_REG_CHANNEL);
-#ifdef CONFIG_64BIT
-                       writel((u32)((u64)pipe >> 32), dev->base + PIPE_REG_CHANNEL_HIGH);
-#endif
+                       gf_write64((u64)pipe, dev->base + PIPE_REG_CHANNEL,
+                                       dev->base + PIPE_REG_CHANNEL_HIGH);
                        writel(avail, dev->base + PIPE_REG_SIZE);
-                       writel(address, dev->base + PIPE_REG_ADDRESS);
-#ifdef CONFIG_64BIT
-                       writel((u32)((u64)address >> 32), dev->base + PIPE_REG_ADDRESS_HIGH);
-#endif
+                       gf_write64(address, dev->base + PIPE_REG_ADDRESS,
+                               dev->base + PIPE_REG_ADDRESS_HIGH);
                        writel(CMD_WRITE_BUFFER + cmd_offset,
                                        dev->base + PIPE_REG_COMMAND);
                        status = readl(dev->base + PIPE_REG_STATUS);