[PATCH v3] net/fec: fix pm to survive to suspend/resume
Eric Bénard
eric at eukrea.com
Thu May 27 10:19:49 EDT 2010
* with this patch, if the connection if active before suspend, it
will be active after resume.
* before this patch, it was necessary to close the interface and
reopen it to recover the connection.
Signed-off-by: Eric Bénard <eric at eukrea.com>
---
v3 : fix following Sergei Shtylyov's comments
drivers/net/fec.c | 10 +++++++---
1 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/net/fec.c b/drivers/net/fec.c
index 9b4e8f7..1521972 100644
--- a/drivers/net/fec.c
+++ b/drivers/net/fec.c
@@ -1974,10 +1974,11 @@ fec_suspend(struct platform_device *dev, pm_message_t state)
struct fec_enet_private *fep;
if (ndev) {
- fep = netdev_priv(ndev);
if (netif_running(ndev)) {
+ fep = netdev_priv(ndev);
+ netif_stop_queue(ndev);
netif_device_detach(ndev);
- fec_stop(ndev);
+ clk_disable(fep->clk);
}
}
return 0;
@@ -1987,11 +1988,14 @@ static int
fec_resume(struct platform_device *dev)
{
struct net_device *ndev = platform_get_drvdata(dev);
+ struct fec_enet_private *fep;
if (ndev) {
if (netif_running(ndev)) {
- fec_enet_init(ndev, 0);
+ fep = netdev_priv(ndev);
+ clk_enable(fep->clk);
netif_device_attach(ndev);
+ netif_start_queue(ndev);
}
}
return 0;
--
1.6.3.3
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