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authorManuel Lauss <manuel.lauss@gmail.com>2014-07-23 16:36:26 +0200
committerRalf Baechle <ralf@linux-mips.org>2014-07-30 13:56:34 +0200
commit2f73bfbe0873452f4cd388ec2f67f8226fe93f79 (patch)
tree9070345314cad7ea65779636fce34284b4cd3637 /drivers/mtd
parent9cf12167e909a86fbc4b39cf4cffef4cba40f1b3 (diff)
downloadop-kernel-dev-2f73bfbe0873452f4cd388ec2f67f8226fe93f79.zip
op-kernel-dev-2f73bfbe0873452f4cd388ec2f67f8226fe93f79.tar.gz
MIPS: Alchemy: remove au_read/write/sync
replace au_read/write/sync with __raw_read/write and wmb. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Cc: Linux-MIPS <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/7465/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/nand/au1550nd.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c
index 6cece6e..77d6c17 100644
--- a/drivers/mtd/nand/au1550nd.c
+++ b/drivers/mtd/nand/au1550nd.c
@@ -41,7 +41,7 @@ static u_char au_read_byte(struct mtd_info *mtd)
{
struct nand_chip *this = mtd->priv;
u_char ret = readb(this->IO_ADDR_R);
- au_sync();
+ wmb(); /* drain writebuffer */
return ret;
}
@@ -56,7 +56,7 @@ static void au_write_byte(struct mtd_info *mtd, u_char byte)
{
struct nand_chip *this = mtd->priv;
writeb(byte, this->IO_ADDR_W);
- au_sync();
+ wmb(); /* drain writebuffer */
}
/**
@@ -69,7 +69,7 @@ static u_char au_read_byte16(struct mtd_info *mtd)
{
struct nand_chip *this = mtd->priv;
u_char ret = (u_char) cpu_to_le16(readw(this->IO_ADDR_R));
- au_sync();
+ wmb(); /* drain writebuffer */
return ret;
}
@@ -84,7 +84,7 @@ static void au_write_byte16(struct mtd_info *mtd, u_char byte)
{
struct nand_chip *this = mtd->priv;
writew(le16_to_cpu((u16) byte), this->IO_ADDR_W);
- au_sync();
+ wmb(); /* drain writebuffer */
}
/**
@@ -97,7 +97,7 @@ static u16 au_read_word(struct mtd_info *mtd)
{
struct nand_chip *this = mtd->priv;
u16 ret = readw(this->IO_ADDR_R);
- au_sync();
+ wmb(); /* drain writebuffer */
return ret;
}
@@ -116,7 +116,7 @@ static void au_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
for (i = 0; i < len; i++) {
writeb(buf[i], this->IO_ADDR_W);
- au_sync();
+ wmb(); /* drain writebuffer */
}
}
@@ -135,7 +135,7 @@ static void au_read_buf(struct mtd_info *mtd, u_char *buf, int len)
for (i = 0; i < len; i++) {
buf[i] = readb(this->IO_ADDR_R);
- au_sync();
+ wmb(); /* drain writebuffer */
}
}
@@ -156,7 +156,7 @@ static void au_write_buf16(struct mtd_info *mtd, const u_char *buf, int len)
for (i = 0; i < len; i++) {
writew(p[i], this->IO_ADDR_W);
- au_sync();
+ wmb(); /* drain writebuffer */
}
}
@@ -178,7 +178,7 @@ static void au_read_buf16(struct mtd_info *mtd, u_char *buf, int len)
for (i = 0; i < len; i++) {
p[i] = readw(this->IO_ADDR_R);
- au_sync();
+ wmb(); /* drain writebuffer */
}
}
@@ -234,8 +234,7 @@ static void au1550_hwcontrol(struct mtd_info *mtd, int cmd)
this->IO_ADDR_R = this->IO_ADDR_W;
- /* Drain the writebuffer */
- au_sync();
+ wmb(); /* Drain the writebuffer */
}
int au1550_device_ready(struct mtd_info *mtd)
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