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>

1 files changed, 10 insertions, 11 deletions

diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c
index 6cece6e7ee6b..77d6c17b38c2 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)