openwrtv4/target/linux/brcm63xx/patches-3.9/021-bcm63xx_enet-properly-prepare-unprepare-clocks-befor.patch
Jonas Gorski 0a62b7c148 bcm63xx: add 3.9 support
Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 36660
2013-05-19 18:32:13 +00:00

62 lines
1.8 KiB
Diff

From 8d6b746129f11efe4ba69aeb2c982359d33c6ec3 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Mon, 10 Sep 2012 01:28:47 +0200
Subject: [PATCH 3/3] bcm63xx_enet: properly prepare/unprepare clocks
before/after usage
Use clk_prepare_enable/disable_unprepare calls in preparation for
switching to the generic clock framework.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
drivers/net/ethernet/broadcom/bcm63xx_enet.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -1670,7 +1670,7 @@ static int bcm_enet_probe(struct platfor
ret = PTR_ERR(priv->mac_clk);
goto out;
}
- clk_enable(priv->mac_clk);
+ clk_prepare_enable(priv->mac_clk);
/* initialize default and fetch platform data */
priv->rx_ring_size = BCMENET_DEF_RX_DESC;
@@ -1699,7 +1699,7 @@ static int bcm_enet_probe(struct platfor
priv->phy_clk = NULL;
goto out_put_clk_mac;
}
- clk_enable(priv->phy_clk);
+ clk_prepare_enable(priv->phy_clk);
}
/* do minimal hardware init to be able to probe mii bus */
@@ -1800,12 +1800,12 @@ out_uninit_hw:
/* turn off mdc clock */
enet_writel(priv, 0, ENET_MIISC_REG);
if (priv->phy_clk) {
- clk_disable(priv->phy_clk);
+ clk_disable_unprepare(priv->phy_clk);
clk_put(priv->phy_clk);
}
out_put_clk_mac:
- clk_disable(priv->mac_clk);
+ clk_disable_unprepare(priv->mac_clk);
clk_put(priv->mac_clk);
out:
free_netdev(dev);
@@ -1843,10 +1843,10 @@ static int bcm_enet_remove(struct platfo
/* disable hw block clocks */
if (priv->phy_clk) {
- clk_disable(priv->phy_clk);
+ clk_disable_unprepare(priv->phy_clk);
clk_put(priv->phy_clk);
}
- clk_disable(priv->mac_clk);
+ clk_disable_unprepare(priv->mac_clk);
clk_put(priv->mac_clk);
platform_set_drvdata(pdev, NULL);