brcm63xx: add kernel 4.9 support

Add support for kernel 4.9 based on the more upstream comformant
partition defintions. Increases compressed kernel size by ~95k
compared to 4.4.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>

1 files changed, 101 insertions, 0 deletions

diff --git a/target/linux/brcm63xx/patches-4.9/001-4.15-08-bcm63xx_enet-correct-clock-usage.patch b/target/linux/brcm63xx/patches-4.9/001-4.15-08-bcm63xx_enet-correct-clock-usage.patch
new file mode 100644
index 0000000..d1d8516
--- /dev/null
+++ b/target/linux/brcm63xx/patches-4.9/001-4.15-08-bcm63xx_enet-correct-clock-usage.patch
@@ -0,0 +1,101 @@
+From d0423d3e4fa7ae305729cb50369427f075ccb279 Mon Sep 17 00:00:00 2001
+From: Jonas Gorski <jonas.gorski@gmail.com>
+Date: Sat, 25 Feb 2017 12:41:28 +0100
+Subject: [PATCH 1/6] bcm63xx_enet: correct clock usage
+
+Check the return code of prepare_enable and change one last instance of
+enable only to prepare_enable. Also properly disable and release the
+clock in error paths and on remove for enetsw.
+
+Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
+---
+ drivers/net/ethernet/broadcom/bcm63xx_enet.c | 31 +++++++++++++++++++++-------
+ 1 file changed, 23 insertions(+), 8 deletions(-)
+
+--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
++++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+@@ -1790,7 +1790,9 @@ static int bcm_enet_probe(struct platfor
+ 		ret = PTR_ERR(priv->mac_clk);
+ 		goto out;
+ 	}
+-	clk_prepare_enable(priv->mac_clk);
++	ret = clk_prepare_enable(priv->mac_clk);
++	if (ret)
++		goto out_put_clk_mac;
+ 
+ 	/* initialize default and fetch platform data */
+ 	priv->rx_ring_size = BCMENET_DEF_RX_DESC;
+@@ -1822,9 +1824,11 @@ static int bcm_enet_probe(struct platfor
+ 		if (IS_ERR(priv->phy_clk)) {
+ 			ret = PTR_ERR(priv->phy_clk);
+ 			priv->phy_clk = NULL;
+-			goto out_put_clk_mac;
++			goto out_disable_clk_mac;
+ 		}
+-		clk_prepare_enable(priv->phy_clk);
++		ret = clk_prepare_enable(priv->phy_clk);
++		if (ret)
++			goto out_put_clk_phy;
+ 	}
+ 
+ 	/* do minimal hardware init to be able to probe mii bus */
+@@ -1915,13 +1919,16 @@ out_free_mdio:
+ out_uninit_hw:
+ 	/* turn off mdc clock */
+ 	enet_writel(priv, 0, ENET_MIISC_REG);
+-	if (priv->phy_clk) {
++	if (priv->phy_clk)
+ 		clk_disable_unprepare(priv->phy_clk);
++
++out_put_clk_phy:
++	if (priv->phy_clk)
+ 		clk_put(priv->phy_clk);
+-	}
+ 
+-out_put_clk_mac:
++out_disable_clk_mac:
+ 	clk_disable_unprepare(priv->mac_clk);
++out_put_clk_mac:
+ 	clk_put(priv->mac_clk);
+ out:
+ 	free_netdev(dev);
+@@ -2766,7 +2773,9 @@ static int bcm_enetsw_probe(struct platf
+ 		ret = PTR_ERR(priv->mac_clk);
+ 		goto out_unmap;
+ 	}
+-	clk_enable(priv->mac_clk);
++	ret = clk_prepare_enable(priv->mac_clk);
++	if (ret)
++		goto out_put_clk;
+ 
+ 	priv->rx_chan = 0;
+ 	priv->tx_chan = 1;
+@@ -2787,7 +2796,7 @@ static int bcm_enetsw_probe(struct platf
+ 
+ 	ret = register_netdev(dev);
+ 	if (ret)
+-		goto out_put_clk;
++		goto out_disable_clk;
+ 
+ 	netif_carrier_off(dev);
+ 	platform_set_drvdata(pdev, dev);
+@@ -2796,6 +2805,9 @@ static int bcm_enetsw_probe(struct platf
+ 
+ 	return 0;
+ 
++out_disable_clk:
++	clk_disable_unprepare(priv->mac_clk);
++
+ out_put_clk:
+ 	clk_put(priv->mac_clk);
+ 
+@@ -2827,6 +2839,9 @@ static int bcm_enetsw_remove(struct plat
+ 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ 	release_mem_region(res->start, resource_size(res));
+ 
++	clk_disable_unprepare(priv->mac_clk);
++	clk_put(priv->mac_clk);
++
+ 	free_netdev(dev);
+ 	return 0;
+ }