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e1000e: fix accessing to suspended device

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This patch fixes some annoying messages like 'Error reading PHY register' and
'Hardware Erorr' and saves several seconds on reboot.

Cc: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Borislav Petkov <bp@suse.de>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Konstantin Khlebnikov
2013-03-05 09:43:09 +00:00
committed by Jeff Kirsher
parent 66148babe7
commit e60b22c5b7
2 changed files with 15 additions and 0 deletions
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13
drivers/net/ethernet/intel/e1000e/ethtool.c
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@@ -36,6 +36,7 @@
#include <linux/delay.h>
#include <linux/vmalloc.h>
#include <linux/mdio.h>
#include <linux/pm_runtime.h>
#include "e1000.h"
@@ -2229,7 +2230,19 @@ static int e1000e_get_ts_info(struct net_device *netdev,
return 0;
}
static int e1000e_ethtool_begin(struct net_device *netdev)
{
return pm_runtime_get_sync(netdev->dev.parent);
}
static void e1000e_ethtool_complete(struct net_device *netdev)
{
pm_runtime_put_sync(netdev->dev.parent);
}
static const struct ethtool_ops e1000_ethtool_ops = {
.begin = e1000e_ethtool_begin,
.complete = e1000e_ethtool_complete,
.get_settings = e1000_get_settings,
.set_settings = e1000_set_settings,
.get_drvinfo = e1000_get_drvinfo,