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mtd: rawnand: au1550nd: Patch the read/write buf helper prototypes

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To match the types passed by au1550nd_exec_instr() function.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200419193037.1544035-5-boris.brezillon@collabora.com
This commit is contained in:
Boris Brezillon 2020-04-19 21:30:37 +02:00 committed by Miquel Raynal
parent b1593f8a43
commit 806adfbe88
1 changed files with 17 additions and 13 deletions
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30
drivers/mtd/nand/raw/au1550nd.c
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@ -36,13 +36,15 @@ static struct au1550nd_ctx *chip_to_au_ctx(struct nand_chip *this)
*
* write function for 8bit buswidth
*/
static void au_write_buf(struct nand_chip *this, const u_char *buf, int len)
static void au_write_buf(struct nand_chip *this, const void *buf,
unsigned int len)
{
struct au1550nd_ctx *ctx = chip_to_au_ctx(this);
const u8 *p = buf;
int i;
for (i = 0; i < len; i++) {
writeb(buf[i], ctx->base + MEM_STNAND_DATA);
writeb(p[i], ctx->base + MEM_STNAND_DATA);
wmb(); /* drain writebuffer */
}
}
@ -55,13 +57,15 @@ static void au_write_buf(struct nand_chip *this, const u_char *buf, int len)
*
* read function for 8bit buswidth
*/
static void au_read_buf(struct nand_chip *this, u_char *buf, int len)
static void au_read_buf(struct nand_chip *this, void *buf,
unsigned int len)
{
struct au1550nd_ctx *ctx = chip_to_au_ctx(this);
u8 *p = buf;
int i;
for (i = 0; i < len; i++) {
buf[i] = readb(ctx->base + MEM_STNAND_DATA);
p[i] = readb(ctx->base + MEM_STNAND_DATA);
wmb(); /* drain writebuffer */
}
}
@ -74,18 +78,18 @@ static void au_read_buf(struct nand_chip *this, u_char *buf, int len)
*
* write function for 16bit buswidth
*/
static void au_write_buf16(struct nand_chip *this, const u_char *buf, int len)
static void au_write_buf16(struct nand_chip *this, const void *buf,
unsigned int len)
{
struct au1550nd_ctx *ctx = chip_to_au_ctx(this);
int i;
u16 *p = (u16 *) buf;
len >>= 1;
const u16 *p = buf;
unsigned int i;
len >>= 1;
for (i = 0; i < len; i++) {
writew(p[i], ctx->base + MEM_STNAND_DATA);
wmb(); /* drain writebuffer */
}
}
/**
@ -96,13 +100,13 @@ static void au_write_buf16(struct nand_chip *this, const u_char *buf, int len)
*
* read function for 16bit buswidth
*/
static void au_read_buf16(struct nand_chip *this, u_char *buf, int len)
static void au_read_buf16(struct nand_chip *this, void *buf, unsigned int len)
{
struct au1550nd_ctx *ctx = chip_to_au_ctx(this);
int i;
u16 *p = (u16 *) buf;
len >>= 1;
unsigned int i;
u16 *p = buf;
len >>= 1;
for (i = 0; i < len; i++) {
p[i] = readw(ctx->base + MEM_STNAND_DATA);
wmb(); /* drain writebuffer */