openwrt/target/linux/generic/patches-4.4/773-bgmac-add-srab-switch.patch
Rafał Miłecki f2103c50ab kernel: backport bgmac patch moving MDIO code into separated file
This prepares bgmac for the biggest change: dropping bcma dependency.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2016-08-17 00:15:27 +02:00

71 lines
2.0 KiB
Diff

Register switch connected to srab
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -17,6 +17,7 @@
#include <linux/phy_fixed.h>
#include <linux/interrupt.h>
#include <linux/dma-mapping.h>
+#include <linux/platform_data/b53.h>
#include <linux/bcm47xx_nvram.h>
static const struct bcma_device_id bgmac_bcma_tbl[] = {
@@ -1403,6 +1404,17 @@ static const struct ethtool_ops bgmac_et
.get_drvinfo = bgmac_get_drvinfo,
};
+static struct b53_platform_data bgmac_b53_pdata = {
+};
+
+static struct platform_device bgmac_b53_dev = {
+ .name = "b53-srab-switch",
+ .id = -1,
+ .dev = {
+ .platform_data = &bgmac_b53_pdata,
+ },
+};
+
/**************************************************
* MII
**************************************************/
@@ -1630,6 +1642,14 @@ static int bgmac_probe(struct bcma_devic
net_dev->hw_features = net_dev->features;
net_dev->vlan_features = net_dev->features;
+ if (bgmac_is_bcm4707_family(bgmac) && !bgmac_b53_pdata.regs) {
+ bgmac_b53_pdata.regs = ioremap_nocache(0x18007000, 0x1000);
+
+ err = platform_device_register(&bgmac_b53_dev);
+ if (!err)
+ bgmac->b53_device = &bgmac_b53_dev;
+ }
+
err = register_netdev(bgmac->net_dev);
if (err) {
dev_err(bgmac->dev, "Cannot register net device\n");
@@ -1657,6 +1677,10 @@ static void bgmac_remove(struct bcma_dev
{
struct bgmac *bgmac = bcma_get_drvdata(core);
+ if (bgmac->b53_device)
+ platform_device_unregister(&bgmac_b53_dev);
+ bgmac->b53_device = NULL;
+
unregister_netdev(bgmac->net_dev);
phy_disconnect(bgmac->net_dev->phydev);
bcma_mdio_mii_unregister(bgmac->mii_bus);
--- a/drivers/net/ethernet/broadcom/bgmac.h
+++ b/drivers/net/ethernet/broadcom/bgmac.h
@@ -454,6 +454,9 @@ struct bgmac {
bool has_robosw;
bool loopback;
+
+ /* platform device for associated switch */
+ struct platform_device *b53_device;
};
struct mii_bus *bcma_mdio_mii_register(struct bcma_device *core, u8 phyaddr);