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path: root/drivers/net/ethernet/broadcom/bgmac.c
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Diffstat (limited to 'drivers/net/ethernet/broadcom/bgmac.c')
-rw-r--r--drivers/net/ethernet/broadcom/bgmac.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c
index fd66fca..ba4d2e1 100644
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -11,6 +11,7 @@
#include <linux/bcma/bcma.h>
#include <linux/etherdevice.h>
+#include <linux/interrupt.h>
#include <linux/bcm47xx_nvram.h>
#include <linux/phy.h>
#include <linux/phy_fixed.h>
@@ -1480,6 +1481,7 @@ int bgmac_enet_probe(struct bgmac *bgmac)
net_dev->irq = bgmac->irq;
SET_NETDEV_DEV(net_dev, bgmac->dev);
+ dev_set_drvdata(bgmac->dev, bgmac);
if (!is_valid_ether_addr(net_dev->dev_addr)) {
dev_err(bgmac->dev, "Invalid MAC addr: %pM\n",
@@ -1552,5 +1554,55 @@ void bgmac_enet_remove(struct bgmac *bgmac)
}
EXPORT_SYMBOL_GPL(bgmac_enet_remove);
+int bgmac_enet_suspend(struct bgmac *bgmac)
+{
+ if (!netif_running(bgmac->net_dev))
+ return 0;
+
+ phy_stop(bgmac->net_dev->phydev);
+
+ netif_stop_queue(bgmac->net_dev);
+
+ napi_disable(&bgmac->napi);
+
+ netif_tx_lock(bgmac->net_dev);
+ netif_device_detach(bgmac->net_dev);
+ netif_tx_unlock(bgmac->net_dev);
+
+ bgmac_chip_intrs_off(bgmac);
+ bgmac_chip_reset(bgmac);
+ bgmac_dma_cleanup(bgmac);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(bgmac_enet_suspend);
+
+int bgmac_enet_resume(struct bgmac *bgmac)
+{
+ int rc;
+
+ if (!netif_running(bgmac->net_dev))
+ return 0;
+
+ rc = bgmac_dma_init(bgmac);
+ if (rc)
+ return rc;
+
+ bgmac_chip_init(bgmac);
+
+ napi_enable(&bgmac->napi);
+
+ netif_tx_lock(bgmac->net_dev);
+ netif_device_attach(bgmac->net_dev);
+ netif_tx_unlock(bgmac->net_dev);
+
+ netif_start_queue(bgmac->net_dev);
+
+ phy_start(bgmac->net_dev->phydev);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(bgmac_enet_resume);
+
MODULE_AUTHOR("Rafał Miłecki");
MODULE_LICENSE("GPL");
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