staging: goldfish: Fix pointer cast for 32 bits

As the first argument of gf_write64() was of type unsigned long, and as
some calls to gf_write64() were casting the first argument from void *
to u64 the compiler and/or sparse were printing warnings for casts of
wrong sizes when compiling for i386.

This patch changes the type of the first argument of gf_write64() to
const void *, and update calls to the function. This change fixed the
warnings and allowed to remove casts from 3 calls to gf_write64().

In addition gf_write64() was renamed to gf_write_ptr() as the name was
misleading because it only writes 32 bits on 32 bit systems.

gf_write_dma_addr() was added to handle dma_addr_t values which is
used at drivers/staging/goldfish/goldfish_audio.c.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2 files changed, 2 insertions, 2 deletions

diff --git a/drivers/staging/goldfish/goldfish_audio.c b/drivers/staging/goldfish/goldfish_audio.c
index 702ae04df912..b0927e49d0a8 100644
--- a/drivers/staging/goldfish/goldfish_audio.c
+++ b/drivers/staging/goldfish/goldfish_audio.c
@@ -63,7 +63,7 @@ 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))
+	(gf_write_dma_addr((x), data->reg_base + addr, data->reg_base+addr2))
 
 /*
  *  temporary variable used between goldfish_audio_probe() and
diff --git a/drivers/staging/goldfish/goldfish_nand.c b/drivers/staging/goldfish/goldfish_nand.c
index 213877a2c430..66ae48fcc2b2 100644
--- a/drivers/staging/goldfish/goldfish_nand.c
+++ b/drivers/staging/goldfish/goldfish_nand.c
@@ -87,7 +87,7 @@ 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);
-		gf_write64((u64)ptr, base + NAND_DATA, base + NAND_DATA_HIGH);
+		gf_write_ptr(ptr, base + NAND_DATA, base + NAND_DATA_HIGH);
 		writel(cmd, base + NAND_COMMAND);
 		rv = readl(base + NAND_RESULT);
 	}