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-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c25
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-drv.c44
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-main.c72
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe.h5
4 files changed, 100 insertions, 46 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c b/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c
index 7546b660d6b5..7d128be61310 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c
@@ -527,3 +527,28 @@ void xgbe_debugfs_exit(struct xgbe_prv_data *pdata)
debugfs_remove_recursive(pdata->xgbe_debugfs);
pdata->xgbe_debugfs = NULL;
}
+
+void xgbe_debugfs_rename(struct xgbe_prv_data *pdata)
+{
+ struct dentry *pfile;
+ char *buf;
+
+ if (!pdata->xgbe_debugfs)
+ return;
+
+ buf = kasprintf(GFP_KERNEL, "amd-xgbe-%s", pdata->netdev->name);
+ if (!buf)
+ return;
+
+ if (!strcmp(pdata->xgbe_debugfs->d_name.name, buf))
+ goto out;
+
+ pfile = debugfs_rename(pdata->xgbe_debugfs->d_parent,
+ pdata->xgbe_debugfs,
+ pdata->xgbe_debugfs->d_parent, buf);
+ if (!pfile)
+ netdev_err(pdata->netdev, "debugfs_rename failed\n");
+
+out:
+ kfree(buf);
+}
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
index 2fd9b80b39b0..d6d29d8c58a7 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
@@ -887,7 +887,7 @@ static int xgbe_request_irqs(struct xgbe_prv_data *pdata)
(unsigned long)pdata);
ret = devm_request_irq(pdata->dev, pdata->dev_irq, xgbe_isr, 0,
- netdev->name, pdata);
+ netdev_name(netdev), pdata);
if (ret) {
netdev_alert(netdev, "error requesting irq %d\n",
pdata->dev_irq);
@@ -1589,16 +1589,42 @@ static int xgbe_open(struct net_device *netdev)
DBGPR("-->xgbe_open\n");
+ /* Create the various names based on netdev name */
+ snprintf(pdata->an_name, sizeof(pdata->an_name) - 1, "%s-pcs",
+ netdev_name(netdev));
+
+ snprintf(pdata->ecc_name, sizeof(pdata->ecc_name) - 1, "%s-ecc",
+ netdev_name(netdev));
+
+ snprintf(pdata->i2c_name, sizeof(pdata->i2c_name) - 1, "%s-i2c",
+ netdev_name(netdev));
+
+ /* Create workqueues */
+ pdata->dev_workqueue =
+ create_singlethread_workqueue(netdev_name(netdev));
+ if (!pdata->dev_workqueue) {
+ netdev_err(netdev, "device workqueue creation failed\n");
+ return -ENOMEM;
+ }
+
+ pdata->an_workqueue =
+ create_singlethread_workqueue(pdata->an_name);
+ if (!pdata->an_workqueue) {
+ netdev_err(netdev, "phy workqueue creation failed\n");
+ ret = -ENOMEM;
+ goto err_dev_wq;
+ }
+
/* Reset the phy settings */
ret = xgbe_phy_reset(pdata);
if (ret)
- return ret;
+ goto err_an_wq;
/* Enable the clocks */
ret = clk_prepare_enable(pdata->sysclk);
if (ret) {
netdev_alert(netdev, "dma clk_prepare_enable failed\n");
- return ret;
+ goto err_an_wq;
}
ret = clk_prepare_enable(pdata->ptpclk);
@@ -1651,6 +1677,12 @@ err_ptpclk:
err_sysclk:
clk_disable_unprepare(pdata->sysclk);
+err_an_wq:
+ destroy_workqueue(pdata->an_workqueue);
+
+err_dev_wq:
+ destroy_workqueue(pdata->dev_workqueue);
+
return ret;
}
@@ -1674,6 +1706,12 @@ static int xgbe_close(struct net_device *netdev)
clk_disable_unprepare(pdata->ptpclk);
clk_disable_unprepare(pdata->sysclk);
+ flush_workqueue(pdata->an_workqueue);
+ destroy_workqueue(pdata->an_workqueue);
+
+ flush_workqueue(pdata->dev_workqueue);
+ destroy_workqueue(pdata->dev_workqueue);
+
set_bit(XGBE_DOWN, &pdata->dev_state);
DBGPR("<--xgbe_close\n");
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-main.c b/drivers/net/ethernet/amd/xgbe/xgbe-main.c
index 53a425cc7a2d..c5ff385d51ae 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-main.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-main.c
@@ -120,6 +120,7 @@
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/io.h>
+#include <linux/notifier.h>
#include "xgbe.h"
#include "xgbe-common.h"
@@ -399,35 +400,6 @@ int xgbe_config_netdev(struct xgbe_prv_data *pdata)
return ret;
}
- /* Create the PHY/ANEG name based on netdev name */
- snprintf(pdata->an_name, sizeof(pdata->an_name) - 1, "%s-pcs",
- netdev_name(netdev));
-
- /* Create the ECC name based on netdev name */
- snprintf(pdata->ecc_name, sizeof(pdata->ecc_name) - 1, "%s-ecc",
- netdev_name(netdev));
-
- /* Create the I2C name based on netdev name */
- snprintf(pdata->i2c_name, sizeof(pdata->i2c_name) - 1, "%s-i2c",
- netdev_name(netdev));
-
- /* Create workqueues */
- pdata->dev_workqueue =
- create_singlethread_workqueue(netdev_name(netdev));
- if (!pdata->dev_workqueue) {
- netdev_err(netdev, "device workqueue creation failed\n");
- ret = -ENOMEM;
- goto err_netdev;
- }
-
- pdata->an_workqueue =
- create_singlethread_workqueue(pdata->an_name);
- if (!pdata->an_workqueue) {
- netdev_err(netdev, "phy workqueue creation failed\n");
- ret = -ENOMEM;
- goto err_wq;
- }
-
if (IS_REACHABLE(CONFIG_PTP_1588_CLOCK))
xgbe_ptp_register(pdata);
@@ -439,14 +411,6 @@ int xgbe_config_netdev(struct xgbe_prv_data *pdata)
pdata->rx_ring_count);
return 0;
-
-err_wq:
- destroy_workqueue(pdata->dev_workqueue);
-
-err_netdev:
- unregister_netdev(netdev);
-
- return ret;
}
void xgbe_deconfig_netdev(struct xgbe_prv_data *pdata)
@@ -461,18 +425,42 @@ void xgbe_deconfig_netdev(struct xgbe_prv_data *pdata)
unregister_netdev(netdev);
pdata->phy_if.phy_exit(pdata);
+}
- flush_workqueue(pdata->an_workqueue);
- destroy_workqueue(pdata->an_workqueue);
+static int xgbe_netdev_event(struct notifier_block *nb, unsigned long event,
+ void *data)
+{
+ struct net_device *netdev = netdev_notifier_info_to_dev(data);
+ struct xgbe_prv_data *pdata = netdev_priv(netdev);
- flush_workqueue(pdata->dev_workqueue);
- destroy_workqueue(pdata->dev_workqueue);
+ if (netdev->netdev_ops != xgbe_get_netdev_ops())
+ goto out;
+
+ switch (event) {
+ case NETDEV_CHANGENAME:
+ xgbe_debugfs_rename(pdata);
+ break;
+
+ default:
+ break;
+ }
+
+out:
+ return NOTIFY_DONE;
}
+static struct notifier_block xgbe_netdev_notifier = {
+ .notifier_call = xgbe_netdev_event,
+};
+
static int __init xgbe_mod_init(void)
{
int ret;
+ ret = register_netdevice_notifier(&xgbe_netdev_notifier);
+ if (ret)
+ return ret;
+
ret = xgbe_platform_init();
if (ret)
return ret;
@@ -489,6 +477,8 @@ static void __exit xgbe_mod_exit(void)
xgbe_pci_exit();
xgbe_platform_exit();
+
+ unregister_netdevice_notifier(&xgbe_netdev_notifier);
}
module_init(xgbe_mod_init);
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h
index e9282c924621..9a80f20adc1c 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe.h
+++ b/drivers/net/ethernet/amd/xgbe/xgbe.h
@@ -130,6 +130,7 @@
#include <linux/completion.h>
#include <linux/cpumask.h>
#include <linux/interrupt.h>
+#include <linux/dcache.h>
#define XGBE_DRV_NAME "amd-xgbe"
#define XGBE_DRV_VERSION "1.0.3"
@@ -1172,7 +1173,6 @@ struct xgbe_prv_data {
struct tasklet_struct tasklet_i2c;
struct tasklet_struct tasklet_an;
-#ifdef CONFIG_DEBUG_FS
struct dentry *xgbe_debugfs;
unsigned int debugfs_xgmac_reg;
@@ -1183,7 +1183,6 @@ struct xgbe_prv_data {
unsigned int debugfs_xprop_reg;
unsigned int debugfs_xi2c_reg;
-#endif
};
/* Function prototypes*/
@@ -1232,9 +1231,11 @@ void xgbe_init_tx_coalesce(struct xgbe_prv_data *);
#ifdef CONFIG_DEBUG_FS
void xgbe_debugfs_init(struct xgbe_prv_data *);
void xgbe_debugfs_exit(struct xgbe_prv_data *);
+void xgbe_debugfs_rename(struct xgbe_prv_data *pdata);
#else
static inline void xgbe_debugfs_init(struct xgbe_prv_data *pdata) {}
static inline void xgbe_debugfs_exit(struct xgbe_prv_data *pdata) {}
+static inline void xgbe_debugfs_rename(struct xgbe_prv_data *pdata) {}
#endif /* CONFIG_DEBUG_FS */
/* NOTE: Uncomment for function trace log messages in KERNEL LOG */