diff options
| -rw-r--r-- | drivers/spi/fsl_qspi.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/spi/fsl_qspi.c b/drivers/spi/fsl_qspi.c index 8753ed9..0f3f7d9 100644 --- a/drivers/spi/fsl_qspi.c +++ b/drivers/spi/fsl_qspi.c @@ -664,22 +664,20 @@ static void qspi_op_write(struct fsl_qspi_priv *priv, u8 *txbuf, u32 len) tx_size = (len > TX_BUFFER_SIZE) ? TX_BUFFER_SIZE : len; - size = tx_size / 4; - for (i = 0; i < size; i++) { + size = tx_size / 16; + /* + * There must be atleast 128bit data + * available in TX FIFO for any pop operation + */ + if (tx_size % 16) + size++; + for (i = 0; i < size * 4; i++) { memcpy(&data, txbuf, 4); data = qspi_endian_xchg(data); qspi_write32(priv->flags, ®s->tbdr, data); txbuf += 4; } - size = tx_size % 4; - if (size) { - data = 0; - memcpy(&data, txbuf, size); - data = qspi_endian_xchg(data); - qspi_write32(priv->flags, ®s->tbdr, data); - } - qspi_write32(priv->flags, ®s->ipcr, (seqid << QSPI_IPCR_SEQID_SHIFT) | tx_size); while (qspi_read32(priv->flags, ®s->sr) & QSPI_SR_BUSY_MASK) |