diff options
Diffstat (limited to 'drivers/spi/fsl_qspi.c')
| -rw-r--r-- | drivers/spi/fsl_qspi.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/spi/fsl_qspi.c b/drivers/spi/fsl_qspi.c index 38e5900..3553e00 100644 --- a/drivers/spi/fsl_qspi.c +++ b/drivers/spi/fsl_qspi.c @@ -477,8 +477,8 @@ static void qspi_op_rdbank(struct fsl_qspi_priv *priv, u8 *rxbuf, u32 len) static void qspi_op_rdid(struct fsl_qspi_priv *priv, u32 *rxbuf, u32 len) { struct fsl_qspi_regs *regs = priv->regs; - u32 mcr_reg, rbsr_reg, data; - int i, size; + u32 mcr_reg, rbsr_reg, data, size; + int i; mcr_reg = qspi_read32(priv->flags, ®s->mcr); qspi_write32(priv->flags, ®s->mcr, @@ -494,15 +494,15 @@ static void qspi_op_rdid(struct fsl_qspi_priv *priv, u32 *rxbuf, u32 len) ; i = 0; - size = len; - while ((RX_BUFFER_SIZE >= size) && (size > 0)) { + while ((RX_BUFFER_SIZE >= len) && (len > 0)) { rbsr_reg = qspi_read32(priv->flags, ®s->rbsr); if (rbsr_reg & QSPI_RBSR_RDBFL_MASK) { data = qspi_read32(priv->flags, ®s->rbdr[i]); data = qspi_endian_xchg(data); - memcpy(rxbuf, &data, 4); + size = (len < 4) ? len : 4; + memcpy(rxbuf, &data, size); + len -= size; rxbuf++; - size -= 4; i++; } } |