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Subject[PATCH v3 06/13] net: ethernet: ti: cpsw: create common struct to hold shared driver data
Date
This patch simply create holder for common data and as a start moves
pdev var to it.

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
---
drivers/net/ethernet/ti/cpsw.c | 62 ++++++++++++++++++++++++++----------------
1 file changed, 39 insertions(+), 23 deletions(-)

diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index cfbb1f2..3ccf577 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -363,8 +363,11 @@ static inline void slave_write(struct cpsw_slave *slave, u32 val, u32 offset)
__raw_writel(val, slave->regs + offset);
}

-struct cpsw_priv {
+struct cpsw_common {
struct platform_device *pdev;
+};
+
+struct cpsw_priv {
struct net_device *ndev;
struct napi_struct napi_rx;
struct napi_struct napi_tx;
@@ -394,6 +397,7 @@ struct cpsw_priv {
u32 num_irqs;
struct cpts *cpts;
u32 emac_port;
+ struct cpsw_common *cpsw;
};

struct cpsw_stats {
@@ -484,6 +488,7 @@ static const struct cpsw_stats cpsw_gstrings_stats[] = {

#define CPSW_STATS_LEN ARRAY_SIZE(cpsw_gstrings_stats)

+#define ndev_to_cpsw(ndev) (((struct cpsw_priv *)netdev_priv(ndev))->cpsw)
#define napi_to_priv(napi) container_of(napi, struct cpsw_priv, napi)
#define for_each_slave(priv, func, arg...) \
do { \
@@ -1091,6 +1096,7 @@ static void soft_reset_slave(struct cpsw_slave *slave)
static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv)
{
u32 slave_port;
+ struct cpsw_common *cpsw = priv->cpsw;

soft_reset_slave(slave);

@@ -1149,7 +1155,7 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv)
phy_start(slave->phy);

/* Configure GMII_SEL register */
- cpsw_phy_sel(&priv->pdev->dev, slave->phy->interface, slave->slave_num);
+ cpsw_phy_sel(&cpsw->pdev->dev, slave->phy->interface, slave->slave_num);
}

static inline void cpsw_add_default_vlan(struct cpsw_priv *priv)
@@ -1231,12 +1237,13 @@ static void cpsw_slave_stop(struct cpsw_slave *slave, struct cpsw_priv *priv)
static int cpsw_ndo_open(struct net_device *ndev)
{
struct cpsw_priv *priv = netdev_priv(ndev);
+ struct cpsw_common *cpsw = priv->cpsw;
int i, ret;
u32 reg;

- ret = pm_runtime_get_sync(&priv->pdev->dev);
+ ret = pm_runtime_get_sync(&cpsw->pdev->dev);
if (ret < 0) {
- pm_runtime_put_noidle(&priv->pdev->dev);
+ pm_runtime_put_noidle(&cpsw->pdev->dev);
return ret;
}

@@ -1313,7 +1320,7 @@ static int cpsw_ndo_open(struct net_device *ndev)
*/
cpsw_info(priv, ifup, "submitted %d rx descriptors\n", i);

- if (cpts_register(&priv->pdev->dev, priv->cpts,
+ if (cpts_register(&cpsw->pdev->dev, priv->cpts,
priv->data.cpts_clock_mult,
priv->data.cpts_clock_shift))
dev_err(priv->dev, "error registering cpts device\n");
@@ -1338,7 +1345,7 @@ static int cpsw_ndo_open(struct net_device *ndev)
err_cleanup:
cpdma_ctlr_stop(priv->dma);
for_each_slave(priv, cpsw_slave_stop, priv);
- pm_runtime_put_sync(&priv->pdev->dev);
+ pm_runtime_put_sync(&cpsw->pdev->dev);
netif_carrier_off(priv->ndev);
return ret;
}
@@ -1346,6 +1353,7 @@ err_cleanup:
static int cpsw_ndo_stop(struct net_device *ndev)
{
struct cpsw_priv *priv = netdev_priv(ndev);
+ struct cpsw_common *cpsw = priv->cpsw;

cpsw_info(priv, ifdown, "shutting down cpsw device\n");
netif_stop_queue(priv->ndev);
@@ -1362,7 +1370,7 @@ static int cpsw_ndo_stop(struct net_device *ndev)
cpsw_ale_stop(priv->ale);
}
for_each_slave(priv, cpsw_slave_stop, priv);
- pm_runtime_put_sync(&priv->pdev->dev);
+ pm_runtime_put_sync(&cpsw->pdev->dev);
if (priv->data.dual_emac)
priv->slaves[priv->emac_port].open_stat = false;
return 0;
@@ -1594,6 +1602,7 @@ static int cpsw_ndo_set_mac_address(struct net_device *ndev, void *p)
{
struct cpsw_priv *priv = netdev_priv(ndev);
struct sockaddr *addr = (struct sockaddr *)p;
+ struct cpsw_common *cpsw = priv->cpsw;
int flags = 0;
u16 vid = 0;
int ret;
@@ -1601,9 +1610,9 @@ static int cpsw_ndo_set_mac_address(struct net_device *ndev, void *p)
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;

- ret = pm_runtime_get_sync(&priv->pdev->dev);
+ ret = pm_runtime_get_sync(&cpsw->pdev->dev);
if (ret < 0) {
- pm_runtime_put_noidle(&priv->pdev->dev);
+ pm_runtime_put_noidle(&cpsw->pdev->dev);
return ret;
}

@@ -1621,7 +1630,7 @@ static int cpsw_ndo_set_mac_address(struct net_device *ndev, void *p)
memcpy(ndev->dev_addr, priv->mac_addr, ETH_ALEN);
for_each_slave(priv, cpsw_set_slave_mac, priv);

- pm_runtime_put(&priv->pdev->dev);
+ pm_runtime_put(&cpsw->pdev->dev);

return 0;
}
@@ -1687,14 +1696,15 @@ static int cpsw_ndo_vlan_rx_add_vid(struct net_device *ndev,
__be16 proto, u16 vid)
{
struct cpsw_priv *priv = netdev_priv(ndev);
+ struct cpsw_common *cpsw = priv->cpsw;
int ret;

if (vid == priv->data.default_vlan)
return 0;

- ret = pm_runtime_get_sync(&priv->pdev->dev);
+ ret = pm_runtime_get_sync(&cpsw->pdev->dev);
if (ret < 0) {
- pm_runtime_put_noidle(&priv->pdev->dev);
+ pm_runtime_put_noidle(&cpsw->pdev->dev);
return ret;
}

@@ -1714,7 +1724,7 @@ static int cpsw_ndo_vlan_rx_add_vid(struct net_device *ndev,
dev_info(priv->dev, "Adding vlanid %d to vlan filter\n", vid);
ret = cpsw_add_vlan_ale_entry(priv, vid);

- pm_runtime_put(&priv->pdev->dev);
+ pm_runtime_put(&cpsw->pdev->dev);
return ret;
}

@@ -1722,14 +1732,15 @@ static int cpsw_ndo_vlan_rx_kill_vid(struct net_device *ndev,
__be16 proto, u16 vid)
{
struct cpsw_priv *priv = netdev_priv(ndev);
+ struct cpsw_common *cpsw = priv->cpsw;
int ret;

if (vid == priv->data.default_vlan)
return 0;

- ret = pm_runtime_get_sync(&priv->pdev->dev);
+ ret = pm_runtime_get_sync(&cpsw->pdev->dev);
if (ret < 0) {
- pm_runtime_put_noidle(&priv->pdev->dev);
+ pm_runtime_put_noidle(&cpsw->pdev->dev);
return ret;
}

@@ -1754,7 +1765,7 @@ static int cpsw_ndo_vlan_rx_kill_vid(struct net_device *ndev,

ret = cpsw_ale_del_mcast(priv->ale, priv->ndev->broadcast,
0, ALE_VLAN, vid);
- pm_runtime_put(&priv->pdev->dev);
+ pm_runtime_put(&cpsw->pdev->dev);
return ret;
}

@@ -1797,11 +1808,11 @@ static void cpsw_get_regs(struct net_device *ndev,
static void cpsw_get_drvinfo(struct net_device *ndev,
struct ethtool_drvinfo *info)
{
- struct cpsw_priv *priv = netdev_priv(ndev);
+ struct cpsw_common *cpsw = ndev_to_cpsw(ndev);

strlcpy(info->driver, "cpsw", sizeof(info->driver));
strlcpy(info->version, "1.0", sizeof(info->version));
- strlcpy(info->bus_info, priv->pdev->name, sizeof(info->bus_info));
+ strlcpy(info->bus_info, cpsw->pdev->name, sizeof(info->bus_info));
}

static u32 cpsw_get_msglevel(struct net_device *ndev)
@@ -1920,12 +1931,13 @@ static int cpsw_set_pauseparam(struct net_device *ndev,
static int cpsw_ethtool_op_begin(struct net_device *ndev)
{
struct cpsw_priv *priv = netdev_priv(ndev);
+ struct cpsw_common *cpsw = priv->cpsw;
int ret;

- ret = pm_runtime_get_sync(&priv->pdev->dev);
+ ret = pm_runtime_get_sync(&cpsw->pdev->dev);
if (ret < 0) {
cpsw_err(priv, drv, "ethtool begin failed %d\n", ret);
- pm_runtime_put_noidle(&priv->pdev->dev);
+ pm_runtime_put_noidle(&cpsw->pdev->dev);
}

return ret;
@@ -1936,7 +1948,7 @@ static void cpsw_ethtool_op_complete(struct net_device *ndev)
struct cpsw_priv *priv = netdev_priv(ndev);
int ret;

- ret = pm_runtime_put(&priv->pdev->dev);
+ ret = pm_runtime_put(&priv->cpsw->pdev->dev);
if (ret < 0)
cpsw_err(priv, drv, "ethtool complete failed %d\n", ret);
}
@@ -2155,8 +2167,8 @@ static int cpsw_probe_dual_emac(struct platform_device *pdev,
}

priv_sl2 = netdev_priv(ndev);
+ priv_sl2->cpsw = priv->cpsw;
priv_sl2->data = *data;
- priv_sl2->pdev = pdev;
priv_sl2->ndev = ndev;
priv_sl2->dev = &ndev->dev;
priv_sl2->msg_enable = netif_msg_init(debug_level, CPSW_DEBUG);
@@ -2261,9 +2273,13 @@ static int cpsw_probe(struct platform_device *pdev)
const struct of_device_id *of_id;
struct gpio_descs *mode;
u32 slave_offset, sliver_offset, slave_size;
+ struct cpsw_common *cpsw;
int ret = 0, i;
int irq;

+ cpsw = devm_kzalloc(&pdev->dev, sizeof(struct cpsw_common), GFP_KERNEL);
+ cpsw->pdev = pdev;
+
ndev = alloc_etherdev(sizeof(struct cpsw_priv));
if (!ndev) {
dev_err(&pdev->dev, "error allocating net_device\n");
@@ -2272,7 +2288,7 @@ static int cpsw_probe(struct platform_device *pdev)

platform_set_drvdata(pdev, ndev);
priv = netdev_priv(ndev);
- priv->pdev = pdev;
+ priv->cpsw = cpsw;
priv->ndev = ndev;
priv->dev = &ndev->dev;
priv->msg_enable = netif_msg_init(debug_level, CPSW_DEBUG);
--
1.9.1
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