diff options
| author | Konstantin Khlebnikov <khlebnikov@openvz.org> | 2013-03-05 09:43:09 +0000 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2013-03-07 02:55:30 -0800 |
| commit | e60b22c5b7e59db09a7c9490b1e132c7e49ae904 (patch) | |
| tree | 9e708941b86049dff4fa936117031988a0d7cb7f /drivers/net/ethernet/intel/e1000e/ethtool.c | |
| parent | 66148babe728f3e00e13c56f6b0ecf325abd80da (diff) | |
| download | lwn-e60b22c5b7e59db09a7c9490b1e132c7e49ae904.tar.gz lwn-e60b22c5b7e59db09a7c9490b1e132c7e49ae904.zip | |
e1000e: fix accessing to suspended device
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>
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/ethtool.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c index 2c1813737f6d..f91a8f3f9d48 100644 --- a/drivers/net/ethernet/intel/e1000e/ethtool.c +++ b/drivers/net/ethernet/intel/e1000e/ethtool.c @@ -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, |