spi: fsl-espi: remove element actual_length from struct fsl_espi_trans
If an error occurs during processing the message, then we don't have
to populate the actual_length element of struct message.
So we can get rid of element actual_length in struct
fsl_espi_transfer.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c
index 6b60f7b..726d5fd 100644
--- a/drivers/spi/spi-fsl-espi.c
+++ b/drivers/spi/spi-fsl-espi.c
@@ -41,7 +41,6 @@
const void *tx_buf;
void *rx_buf;
unsigned len;
- unsigned actual_length;
};
/* eSPI Controller mode register definitions */
@@ -327,8 +326,6 @@
espi_trans->rx_buf = mspi->local_buf;
ret = fsl_espi_do_trans(m, espi_trans);
- espi_trans->actual_length = espi_trans->len;
-
return ret;
}
@@ -350,7 +347,6 @@
if (trans->len > tx_only)
memcpy(rx_buff, trans->rx_buf + tx_only,
trans->len - tx_only);
- trans->actual_length += trans->len;
}
return ret;
@@ -373,14 +369,14 @@
}
espi_trans.len = xfer_len;
- espi_trans.actual_length = 0;
if (!rx_buf)
ret = fsl_espi_cmd_trans(m, &espi_trans, NULL);
else
ret = fsl_espi_rw_trans(m, &espi_trans, rx_buf);
- m->actual_length = espi_trans.actual_length;
+ m->actual_length = ret ? 0 : espi_trans.len;
+
if (m->status == -EINPROGRESS)
m->status = ret;