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Subject[PATCH 13/18] staging: fsl-dpaa2/eth: Remove unused fields from priv struct
Date
Remove the dpni_id and buffer_layout fields from device's
private structure. They're only used at probe so we don't
need to store them for further use.

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
---
drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c | 33 +++++++++++++-------------
drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h | 5 ----
2 files changed, 16 insertions(+), 22 deletions(-)

diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
index d81c56f4d859..ee71e158b0a9 100644
--- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
+++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
@@ -1734,15 +1734,14 @@ static int setup_dpni(struct fsl_mc_device *ls_dev)
struct device *dev = &ls_dev->dev;
struct dpaa2_eth_priv *priv;
struct net_device *net_dev;
+ struct dpni_buffer_layout buf_layout = {0};
int err;

net_dev = dev_get_drvdata(dev);
priv = netdev_priv(net_dev);

- priv->dpni_id = ls_dev->obj_desc.id;
-
/* get a handle for the DPNI object */
- err = dpni_open(priv->mc_io, 0, priv->dpni_id, &priv->mc_token);
+ err = dpni_open(priv->mc_io, 0, ls_dev->obj_desc.id, &priv->mc_token);
if (err) {
dev_err(dev, "dpni_open() failed\n");
goto err_open;
@@ -1766,35 +1765,35 @@ static int setup_dpni(struct fsl_mc_device *ls_dev)

/* Configure buffer layouts */
/* rx buffer */
- priv->buf_layout.pass_parser_result = true;
- priv->buf_layout.pass_frame_status = true;
- priv->buf_layout.private_data_size = DPAA2_ETH_SWA_SIZE;
- priv->buf_layout.data_align = DPAA2_ETH_RX_BUF_ALIGN;
- priv->buf_layout.options = DPNI_BUF_LAYOUT_OPT_PARSER_RESULT |
- DPNI_BUF_LAYOUT_OPT_FRAME_STATUS |
- DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE |
- DPNI_BUF_LAYOUT_OPT_DATA_ALIGN;
+ buf_layout.pass_parser_result = true;
+ buf_layout.pass_frame_status = true;
+ buf_layout.private_data_size = DPAA2_ETH_SWA_SIZE;
+ buf_layout.data_align = DPAA2_ETH_RX_BUF_ALIGN;
+ buf_layout.options = DPNI_BUF_LAYOUT_OPT_PARSER_RESULT |
+ DPNI_BUF_LAYOUT_OPT_FRAME_STATUS |
+ DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE |
+ DPNI_BUF_LAYOUT_OPT_DATA_ALIGN;
err = dpni_set_buffer_layout(priv->mc_io, 0, priv->mc_token,
- DPNI_QUEUE_RX, &priv->buf_layout);
+ DPNI_QUEUE_RX, &buf_layout);
if (err) {
dev_err(dev, "dpni_set_buffer_layout(RX) failed\n");
goto err_buf_layout;
}

/* tx buffer */
- priv->buf_layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS |
- DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE;
+ buf_layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS |
+ DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE;
err = dpni_set_buffer_layout(priv->mc_io, 0, priv->mc_token,
- DPNI_QUEUE_TX, &priv->buf_layout);
+ DPNI_QUEUE_TX, &buf_layout);
if (err) {
dev_err(dev, "dpni_set_buffer_layout(TX) failed\n");
goto err_buf_layout;
}

/* tx-confirm buffer */
- priv->buf_layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
+ buf_layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
err = dpni_set_buffer_layout(priv->mc_io, 0, priv->mc_token,
- DPNI_QUEUE_TX_CONFIRM, &priv->buf_layout);
+ DPNI_QUEUE_TX_CONFIRM, &buf_layout);
if (err) {
dev_err(dev, "dpni_set_buffer_layout(TX_CONF) failed\n");
goto err_buf_layout;
diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
index 6462e2cbe4be..6697b508cf23 100644
--- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
+++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
@@ -297,12 +297,7 @@ struct dpaa2_eth_priv {
u8 num_channels;
struct dpaa2_eth_channel *channel[DPAA2_ETH_MAX_DPCONS];

- int dpni_id;
struct dpni_attr dpni_attrs;
- /* Insofar as the MC is concerned, we're using one layout on all 3 types
- * of buffers (Rx, Tx, Tx-Conf).
- */
- struct dpni_buffer_layout buf_layout;
u16 tx_data_offset;

struct fsl_mc_device *dpbp_dev;
--
2.11.0
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