goldfish: clean up staging ifdefs

Use the write helpers and add an audio helper
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/goldfish/goldfish_audio.c

@@ -26,6 +26,7 @@
 #include <linux/sched.h>
 #include <linux/dma-mapping.h>
 #include <linux/uaccess.h>
+#include <linux/goldfish.h>
 
 MODULE_AUTHOR("Google, Inc.");
 MODULE_DESCRIPTION("Android QEMU Audio Driver");
@@ -60,6 +61,8 @@ struct goldfish_audio {
 
 #define AUDIO_READ(data, addr)		(readl(data->reg_base + addr))
 #define AUDIO_WRITE(data, addr, x)	(writel(x, data->reg_base + addr))
+#define AUDIO_WRITE64(data, addr, addr2, x)	\
+	(gf_write64((u64)(x), data->reg_base + addr, data->reg_base+addr2))
 
 /*
  *  temporary variable used between goldfish_audio_probe() and
@@ -78,18 +81,14 @@ enum {
 	/* set number of bytes in buffer to write */
 	AUDIO_WRITE_BUFFER_1  = 0x10,
 	AUDIO_WRITE_BUFFER_2  = 0x14,
-#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
 	AUDIO_SET_WRITE_BUFFER_1_HIGH = 0x28,
 	AUDIO_SET_WRITE_BUFFER_2_HIGH = 0x30,
-#endif
 
 	/* true if audio input is supported */
 	AUDIO_READ_SUPPORTED = 0x18,
 	/* buffer to use for audio input */
 	AUDIO_SET_READ_BUFFER = 0x1C,
-#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
 	AUDIO_SET_READ_BUFFER_HIGH = 0x34,
-#endif
 
 	/* driver writes number of bytes to read */
 	AUDIO_START_READ  = 0x20,
@@ -274,9 +273,6 @@ static int goldfish_audio_probe(struct platform_device *pdev)
 	struct resource *r;
 	struct goldfish_audio *data;
 	dma_addr_t buf_addr;
-#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
-	u32 buf_addr_high, buf_addr_low;
-#endif
 
 	data = kzalloc(sizeof(*data), GFP_KERNEL);
 	if (data == NULL) {
@@ -332,37 +328,19 @@ static int goldfish_audio_probe(struct platform_device *pdev)
 		goto err_misc_register_failed;
 	}
 
-#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
-	buf_addr_low = (u32)(buf_addr);
-	buf_addr_high = (u32)((buf_addr) >> 32);
+	AUDIO_WRITE64(data, AUDIO_SET_WRITE_BUFFER_1,
+				AUDIO_SET_WRITE_BUFFER_1_HIGH, buf_addr);
+	buf_addr += WRITE_BUFFER_SIZE;
 
-	AUDIO_WRITE(data, AUDIO_SET_WRITE_BUFFER_1, buf_addr_low);
-	AUDIO_WRITE(data, AUDIO_SET_WRITE_BUFFER_1_HIGH, buf_addr_high);
+	AUDIO_WRITE64(data, AUDIO_SET_WRITE_BUFFER_2,
+				AUDIO_SET_WRITE_BUFFER_2_HIGH, buf_addr);
 
-	buf_addr_low = (u32)(buf_addr + WRITE_BUFFER_SIZE);
-	buf_addr_high = (u32)((buf_addr + WRITE_BUFFER_SIZE) >> 32);
-
-	AUDIO_WRITE(data, AUDIO_SET_WRITE_BUFFER_2, buf_addr_low);
-	AUDIO_WRITE(data, AUDIO_SET_WRITE_BUFFER_2_HIGH, buf_addr_high);
-
-	buf_addr_low = (u32)(buf_addr + 2 * WRITE_BUFFER_SIZE);
-	buf_addr_high = (u32)((buf_addr + 2 * WRITE_BUFFER_SIZE) >> 32);
-
-	data->read_supported = AUDIO_READ(data, AUDIO_READ_SUPPORTED);
-	if (data->read_supported){
-                AUDIO_WRITE(data, AUDIO_SET_READ_BUFFER, buf_addr_low);
-                AUDIO_WRITE(data, AUDIO_SET_READ_BUFFER_HIGH, buf_addr_high);
-	}
-#else
-	AUDIO_WRITE(data, AUDIO_SET_WRITE_BUFFER_1, buf_addr);
-	AUDIO_WRITE(data, AUDIO_SET_WRITE_BUFFER_2,
-						buf_addr + WRITE_BUFFER_SIZE);
+	buf_addr += WRITE_BUFFER_SIZE;
 
 	data->read_supported = AUDIO_READ(data, AUDIO_READ_SUPPORTED);
 	if (data->read_supported)
-		AUDIO_WRITE(data, AUDIO_SET_READ_BUFFER,
-					buf_addr + 2 * WRITE_BUFFER_SIZE);
-#endif
+		AUDIO_WRITE64(data, AUDIO_SET_READ_BUFFER,
+				AUDIO_SET_READ_BUFFER_HIGH, buf_addr);
 
 	audio_data = data;
 	return 0;

drivers/staging/goldfish/goldfish_nand.c

@@ -25,7 +25,7 @@
 #include <linux/mtd/mtd.h>
 #include <linux/platform_device.h>
 #include <linux/mutex.h>
-
+#include <linux/goldfish.h>
 #include <asm/div64.h>
 
 #include "goldfish_nand_reg.h"
@@ -86,10 +86,7 @@ static u32 goldfish_nand_cmd(struct mtd_info *mtd, enum nand_cmd cmd,
 		writel((u32)(addr >> 32), base + NAND_ADDR_HIGH);
 		writel((u32)addr, base + NAND_ADDR_LOW);
 		writel(len, base + NAND_TRANSFER_SIZE);
-		writel((u32)ptr, base + NAND_DATA);
-#ifdef CONFIG_64BIT
-		writel((u32)((u64)ptr >> 32), base + NAND_DATA_HIGH);
-#endif
+		gf_write64((u64)ptr, base + NAND_DATA, base + NAND_DATA_HIGH);
 		writel(cmd, base + NAND_COMMAND);
 		rv = readl(base + NAND_RESULT);
 	}

drivers/staging/goldfish/goldfish_nand_reg.h

@@ -57,9 +57,7 @@ enum nand_reg {
 	NAND_RESULT         = 0x040,
 	NAND_COMMAND        = 0x044,
 	NAND_DATA           = 0x048,
-#ifdef CONFIG_64BIT
 	NAND_DATA_HIGH	    = 0x100,
-#endif
 	NAND_TRANSFER_SIZE  = 0x04c,
 	NAND_ADDR_LOW       = 0x050,
 	NAND_ADDR_HIGH      = 0x054,