From: Florian Fainelli <f.fainelli@gmail.com>
To: netdev@vger.kernel.org
Cc: davem@davemloft.net, Florian Fainelli <f.fainelli@gmail.com>
Subject: [PATCH net-next v2 09/11] net: bcmgenet: fix bcmgenet_wol_resume
Date: Mon, 21 Jul 2014 15:29:27 -0700 [thread overview]
Message-ID: <1405981769-24618-10-git-send-email-f.fainelli@gmail.com> (raw)
In-Reply-To: <1405981769-24618-1-git-send-email-f.fainelli@gmail.com>
bcmgenet_wol_resume() will create an unbalanced clock state for the
wol_clk clock pointer since everywhere else in the code, we always call
clk_prepare_enable() and clk_disable_unprepare(). This function also
calls init_umac() which is neither correct nor necessary since
bcmgenet_resume() and bcmgenet_open() already does that.
Finally calling bcmgenet_wol_resume() in bcmgenet_open() is not correct,
since the interface would not have been able to put us in Wake-on-LAN
mode if it was not UP before.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
drivers/net/ethernet/broadcom/genet/bcmgenet.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 319b94381d2e..1925ae1dc1e6 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -1965,14 +1965,8 @@ static void bcmgenet_set_hw_addr(struct bcmgenet_priv *priv,
static int bcmgenet_wol_resume(struct bcmgenet_priv *priv)
{
- int ret;
-
/* From WOL-enabled suspend, switch to regular clock */
- clk_disable(priv->clk_wol);
- /* init umac registers to synchronize s/w with h/w */
- ret = init_umac(priv);
- if (ret)
- return ret;
+ clk_disable_unprepare(priv->clk_wol);
phy_init_hw(priv->phydev);
/* Speed settings must be restored */
--
1.9.1
next prev parent reply other threads:[~2014-07-21 22:29 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-21 22:29 [PATCH net-next v2 00/11] net: bcmgenet: PM and Wake-on-LAN Florian Fainelli
2014-07-21 22:29 ` [PATCH net-next v2 01/11] net: bcmgenet: remove wol_enabled conditional code Florian Fainelli
2014-07-21 22:29 ` [PATCH net-next v2 02/11] net: bcmgenet: add umac_enable_set helper Florian Fainelli
2014-07-21 22:29 ` [PATCH net-next v2 03/11] net: bcmgenet: modularize bcmgenet_{open,close} Florian Fainelli
2014-07-21 22:29 ` [PATCH net-next v2 04/11] net: bcmgenet: add suspend/resume callbacks Florian Fainelli
2014-07-21 22:29 ` [PATCH net-next v2 05/11] net: bcmgenet: request Wake-on-LAN interrupt Florian Fainelli
2014-07-21 22:29 ` [PATCH net-next v2 06/11] net: bcmgenet: add Wake-on-LAN support code Florian Fainelli
2014-07-21 22:29 ` [PATCH net-next v2 07/11] net: bcmgenet: handle GENET_POWER_WOL_MAGIC Florian Fainelli
2014-07-21 22:29 ` [PATCH net-next v2 08/11] net: bcmgenet: handle UMAC_IRQ_MPD_R interrupt bit Florian Fainelli
2014-07-21 22:29 ` Florian Fainelli [this message]
2014-07-21 22:29 ` [PATCH net-next v2 10/11] net: bcmgenet: suspend and resume from Wake-on-LAN Florian Fainelli
2014-07-21 22:29 ` [PATCH net-next v2 11/11] net: bcmgenet: hook ethtool set/get_wol operations Florian Fainelli
2014-07-21 23:07 ` [PATCH net-next v2 00/11] net: bcmgenet: PM and Wake-on-LAN David Miller
2014-07-22 20:20 ` Francois Romieu
2014-07-22 20:29 ` Florian Fainelli
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