summaryrefslogtreecommitdiffstats
path: root/drivers/platform
diff options
context:
space:
mode:
authorAlan <alan@linux.intel.com>2014-05-12 16:57:22 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-05-15 13:20:42 -0700
commita99698facdb92adebf4a4ed7691493b7e08ff5b6 (patch)
tree733c819f4cc5e7f084be02e60ec30579ac374ad2 /drivers/platform
parentd78055dc9c786b392ce7b593c479bb9a3e1da61d (diff)
downloadop-kernel-dev-a99698facdb92adebf4a4ed7691493b7e08ff5b6.zip
op-kernel-dev-a99698facdb92adebf4a4ed7691493b7e08ff5b6.tar.gz
goldfish: clean up the pipe driver 64bit ifdefs
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>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/goldfish/goldfish_pipe.c33
1 files changed, 11 insertions, 22 deletions
diff --git a/drivers/platform/goldfish/goldfish_pipe.c b/drivers/platform/goldfish/goldfish_pipe.c
index 670b9b9..c86180b 100644
--- a/drivers/platform/goldfish/goldfish_pipe.c
+++ b/drivers/platform/goldfish/goldfish_pipe.c
@@ -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
@@ -66,14 +67,10 @@
#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);
OpenPOWER on IntegriCloud