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| author | Kunihiko Hayashi <hayashi.kunihiko@socionext.com> | 2018-11-29 09:06:31 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-11-29 19:34:45 +0100 |
| commit | 0ba78b4a4989de294dd0f17e243f1f91f07d97b3 (patch) | |
| tree | 334f26b1db364d14f3c507c2ba14a08661c83516 | |
| parent | Merge tag 'linux-can-next-for-4.21-20181128' of git://git.kernel.org/pub/scm/... (diff) | |
| download | linux-0ba78b4a4989de294dd0f17e243f1f91f07d97b3.tar.xz linux-0ba78b4a4989de294dd0f17e243f1f91f07d97b3.zip | |
net: ethernet: ave: Add suspend/resume support
This patch introduces suspend and resume functions to ave driver.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/socionext/sni_ave.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/net/ethernet/socionext/sni_ave.c b/drivers/net/ethernet/socionext/sni_ave.c index 9e7391faa1dc..0933c13cc82a 100644 --- a/drivers/net/ethernet/socionext/sni_ave.c +++ b/drivers/net/ethernet/socionext/sni_ave.c @@ -1734,6 +1734,49 @@ static int ave_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM_SLEEP +static int ave_suspend(struct device *dev) +{ + struct net_device *ndev = dev_get_drvdata(dev); + struct ave_private *priv = netdev_priv(ndev); + int ret = 0; + + if (netif_running(ndev)) { + ret = ave_stop(ndev); + netif_device_detach(ndev); + } + + return ret; +} + +static int ave_resume(struct device *dev) +{ + struct net_device *ndev = dev_get_drvdata(dev); + struct ave_private *priv = netdev_priv(ndev); + int ret = 0; + + ave_global_reset(ndev); + + if (ndev->phydev) { + ret = phy_resume(ndev->phydev); + if (ret) + return ret; + } + + if (netif_running(ndev)) { + ret = ave_open(ndev); + netif_device_attach(ndev); + } + + return ret; +} + +static SIMPLE_DEV_PM_OPS(ave_pm_ops, ave_suspend, ave_resume); +#define AVE_PM_OPS (&ave_pm_ops) +#else +#define AVE_PM_OPS NULL +#endif + static int ave_pro4_get_pinmode(struct ave_private *priv, phy_interface_t phy_mode, u32 arg) { @@ -1908,6 +1951,7 @@ static struct platform_driver ave_driver = { .remove = ave_remove, .driver = { .name = "ave", + .pm = AVE_PM_OPS, .of_match_table = of_ave_match, }, }; |