kernel: bgmac: fix some problems

There are some problems in the napi usage that are fixed now.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 43749

1 files changed, 43 insertions, 0 deletions

diff --git a/target/linux/generic/patches-3.18/771-bgmac-register-napi-before-the-device.patch b/target/linux/generic/patches-3.18/771-bgmac-register-napi-before-the-device.patch
new file mode 100644
index 0000000000..56248c6720
--- /dev/null
+++ b/target/linux/generic/patches-3.18/771-bgmac-register-napi-before-the-device.patch
@@ -0,0 +1,43 @@
+From d5b4e70e8c205a67e2e246908b259367ab9ccecf Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Mon, 8 Dec 2014 08:27:23 +0100
+Subject: [PATCH 2/4] bgmac: register napi before the device
+
+napi should get registered before the netdev and not after.
+
+Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+---
+ drivers/net/ethernet/broadcom/bgmac.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+--- a/drivers/net/ethernet/broadcom/bgmac.c
++++ b/drivers/net/ethernet/broadcom/bgmac.c
+@@ -1515,6 +1515,8 @@ static int bgmac_probe(struct bcma_devic
+ 	if (core->bus->sprom.boardflags_lo & BGMAC_BFL_ENETADM)
+ 		bgmac_warn(bgmac, "Support for ADMtek ethernet switch not implemented\n");
+ 
++	netif_napi_add(net_dev, &bgmac->napi, bgmac_poll, BGMAC_WEIGHT);
++
+ 	err = bgmac_mii_register(bgmac);
+ 	if (err) {
+ 		bgmac_err(bgmac, "Cannot register MDIO\n");
+@@ -1529,8 +1531,6 @@ static int bgmac_probe(struct bcma_devic
+ 
+ 	netif_carrier_off(net_dev);
+ 
+-	netif_napi_add(net_dev, &bgmac->napi, bgmac_poll, BGMAC_WEIGHT);
+-
+ 	return 0;
+ 
+ err_mii_unregister:
+@@ -1549,9 +1549,9 @@ static void bgmac_remove(struct bcma_dev
+ {
+ 	struct bgmac *bgmac = bcma_get_drvdata(core);
+ 
+-	netif_napi_del(&bgmac->napi);
+ 	unregister_netdev(bgmac->net_dev);
+ 	bgmac_mii_unregister(bgmac);
++	netif_napi_del(&bgmac->napi);
+ 	bgmac_dma_free(bgmac);
+ 	bcma_set_drvdata(core, NULL);
+ 	free_netdev(bgmac->net_dev);