diff options
| author | Alan <alan@linux.intel.com> | 2014-05-12 19:57:22 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-16 00:20:42 +0400 |
| commit | a99698facdb92adebf4a4ed7691493b7e08ff5b6 (patch) | |
| tree | 733c819f4cc5e7f084be02e60ec30579ac374ad2 /drivers/platform | |
| parent | d78055dc9c786b392ce7b593c479bb9a3e1da61d (diff) | |
| download | linux-a99698facdb92adebf4a4ed7691493b7e08ff5b6.tar.xz | |
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.c | 33 |
1 files changed, 11 insertions, 22 deletions
diff --git a/drivers/platform/goldfish/goldfish_pipe.c b/drivers/platform/goldfish/goldfish_pipe.c index 670b9b94f74b..c86180bba72e 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); |