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path: root/drivers/mtd/spi-nor/fsl-quadspi.c
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Diffstat (limited to 'drivers/mtd/spi-nor/fsl-quadspi.c')
-rw-r--r--drivers/mtd/spi-nor/fsl-quadspi.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/drivers/mtd/spi-nor/fsl-quadspi.c b/drivers/mtd/spi-nor/fsl-quadspi.c
index 9ab2b51d54b8..5c82e4ef1904 100644
--- a/drivers/mtd/spi-nor/fsl-quadspi.c
+++ b/drivers/mtd/spi-nor/fsl-quadspi.c
@@ -618,9 +618,9 @@ static inline void fsl_qspi_invalid(struct fsl_qspi *q)
qspi_writel(q, reg, q->iobase + QUADSPI_MCR);
}
-static int fsl_qspi_nor_write(struct fsl_qspi *q, struct spi_nor *nor,
+static ssize_t fsl_qspi_nor_write(struct fsl_qspi *q, struct spi_nor *nor,
u8 opcode, unsigned int to, u32 *txbuf,
- unsigned count, size_t *retlen)
+ unsigned count)
{
int ret, i, j;
u32 tmp;
@@ -647,8 +647,8 @@ static int fsl_qspi_nor_write(struct fsl_qspi *q, struct spi_nor *nor,
/* Trigger it */
ret = fsl_qspi_runcmd(q, opcode, to, count);
- if (ret == 0 && retlen)
- *retlen += count;
+ if (ret == 0)
+ return count;
return ret;
}
@@ -859,7 +859,9 @@ static int fsl_qspi_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len)
} else if (len > 0) {
ret = fsl_qspi_nor_write(q, nor, opcode, 0,
- (u32 *)buf, len, NULL);
+ (u32 *)buf, len);
+ if (ret > 0)
+ return 0;
} else {
dev_err(q->dev, "invalid cmd %d\n", opcode);
ret = -EINVAL;
@@ -868,20 +870,20 @@ static int fsl_qspi_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len)
return ret;
}
-static void fsl_qspi_write(struct spi_nor *nor, loff_t to,
- size_t len, size_t *retlen, const u_char *buf)
+static ssize_t fsl_qspi_write(struct spi_nor *nor, loff_t to,
+ size_t len, const u_char *buf)
{
struct fsl_qspi *q = nor->priv;
-
- fsl_qspi_nor_write(q, nor, nor->program_opcode, to,
- (u32 *)buf, len, retlen);
+ ssize_t ret = fsl_qspi_nor_write(q, nor, nor->program_opcode, to,
+ (u32 *)buf, len);
/* invalid the data in the AHB buffer. */
fsl_qspi_invalid(q);
+ return ret;
}
-static int fsl_qspi_read(struct spi_nor *nor, loff_t from,
- size_t len, size_t *retlen, u_char *buf)
+static ssize_t fsl_qspi_read(struct spi_nor *nor, loff_t from,
+ size_t len, u_char *buf)
{
struct fsl_qspi *q = nor->priv;
u8 cmd = nor->read_opcode;
@@ -923,8 +925,7 @@ static int fsl_qspi_read(struct spi_nor *nor, loff_t from,
memcpy(buf, q->ahb_addr + q->chip_base_addr + from - q->memmap_offs,
len);
- *retlen += len;
- return 0;
+ return len;
}
static int fsl_qspi_erase(struct spi_nor *nor, loff_t offs)