diff options
Diffstat (limited to 'drivers/net/phy/realtek.c')
| -rw-r--r-- | drivers/net/phy/realtek.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index 3d99fd6664d7..894172a3e15f 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -12,6 +12,7 @@ #include <linux/phy.h> #include <linux/module.h> #include <linux/delay.h> +#include <linux/clk.h> #define RTL821x_PHYSR 0x11 #define RTL821x_PHYSR_DUPLEX BIT(13) @@ -80,6 +81,7 @@ struct rtl821x_priv { u16 phycr1; u16 phycr2; bool has_phycr2; + struct clk *clk; }; static int rtl821x_read_page(struct phy_device *phydev) @@ -103,6 +105,11 @@ static int rtl821x_probe(struct phy_device *phydev) if (!priv) return -ENOMEM; + priv->clk = devm_clk_get_optional_enabled(dev, NULL); + if (IS_ERR(priv->clk)) + return dev_err_probe(dev, PTR_ERR(priv->clk), + "failed to get phy clock\n"); + ret = phy_read_paged(phydev, 0xa43, RTL8211F_PHYCR1); if (ret < 0) return ret; @@ -419,10 +426,31 @@ static int rtl8211f_config_init(struct phy_device *phydev) return genphy_soft_reset(phydev); } +static int rtl821x_suspend(struct phy_device *phydev) +{ + struct rtl821x_priv *priv = phydev->priv; + int ret = 0; + + if (!phydev->wol_enabled) { + ret = genphy_suspend(phydev); + + if (ret) + return ret; + + clk_disable_unprepare(priv->clk); + } + + return ret; +} + static int rtl821x_resume(struct phy_device *phydev) { + struct rtl821x_priv *priv = phydev->priv; int ret; + if (!phydev->wol_enabled) + clk_prepare_enable(priv->clk); + ret = genphy_resume(phydev); if (ret < 0) return ret; @@ -927,10 +955,11 @@ static struct phy_driver realtek_drvs[] = { .read_status = rtlgen_read_status, .config_intr = &rtl8211f_config_intr, .handle_interrupt = rtl8211f_handle_interrupt, - .suspend = genphy_suspend, + .suspend = rtl821x_suspend, .resume = rtl821x_resume, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, + .flags = PHY_ALWAYS_CALL_SUSPEND, }, { PHY_ID_MATCH_EXACT(RTL_8211FVD_PHYID), .name = "RTL8211F-VD Gigabit Ethernet", @@ -939,10 +968,11 @@ static struct phy_driver realtek_drvs[] = { .read_status = rtlgen_read_status, .config_intr = &rtl8211f_config_intr, .handle_interrupt = rtl8211f_handle_interrupt, - .suspend = genphy_suspend, + .suspend = rtl821x_suspend, .resume = rtl821x_resume, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, + .flags = PHY_ALWAYS_CALL_SUSPEND, }, { .name = "Generic FE-GE Realtek PHY", .match_phy_device = rtlgen_match_phy_device, |