b0c5e8b927
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>
101 lines
2.7 KiB
Diff
101 lines
2.7 KiB
Diff
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;
|
|
}
|