diff options
Diffstat (limited to 'meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0015-Add-rcar-usbphy-hibernation-code.patch')
| -rwxr-xr-x | meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0015-Add-rcar-usbphy-hibernation-code.patch | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0015-Add-rcar-usbphy-hibernation-code.patch b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0015-Add-rcar-usbphy-hibernation-code.patch new file mode 100755 index 000000000..c0c2b1675 --- /dev/null +++ b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0015-Add-rcar-usbphy-hibernation-code.patch @@ -0,0 +1,83 @@ +From 28393daa686ef43966e3fa1652bcd8d860698ef4 Mon Sep 17 00:00:00 2001 +From: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com> +Date: Thu, 18 May 2017 18:00:39 +0900 +Subject: [PATCH 15/15] Add rcar-usbphy hibernation code + +Signed-off-by: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com> +--- + drivers/usb/phy/phy-rcar-gen2-usb.c | 35 +++++++++++++++++++++++++++++++++++ + 1 file changed, 35 insertions(+) + +diff --git a/drivers/usb/phy/phy-rcar-gen2-usb.c b/drivers/usb/phy/phy-rcar-gen2-usb.c +index 9e7205d..05849e7 100644 +--- a/drivers/usb/phy/phy-rcar-gen2-usb.c ++++ b/drivers/usb/phy/phy-rcar-gen2-usb.c +@@ -148,6 +148,7 @@ static int rcar_gen2_usb_phy_set_suspend(struct usb_phy *phy, int suspend) + + devm_release_mem_region(&pdev->dev, res->start, resource_size(res)); + devm_iounmap(&pdev->dev, priv->base); ++ priv->base = NULL; + + spin_unlock_irqrestore(&priv->lock, flags); + +@@ -178,6 +179,7 @@ static int rcar_gen2_usb_phy_init(struct usb_phy *phy) + devm_release_mem_region(&pdev->dev, res->start, + resource_size(res)); + devm_iounmap(&pdev->dev, priv->base); ++ priv->base = NULL; + spin_unlock_irqrestore(&priv->lock, flags); + } + return 0; +@@ -209,6 +211,7 @@ static void rcar_gen2_usb_phy_shutdown(struct usb_phy *phy) + devm_release_mem_region(&pdev->dev, res->start, + resource_size(res)); + devm_iounmap(&pdev->dev, priv->base); ++ priv->base = NULL; + } + out: + spin_unlock_irqrestore(&priv->lock, flags); +@@ -431,9 +434,41 @@ static int phy_rcar_gen2_pm_resume(struct device *dev) + return 0; + } + ++static int phy_rcar_gen2_pm_freeze(struct device *dev) ++{ ++ struct rcar_gen2_usb_phy_priv *priv = dev_get_drvdata(dev); ++ pr_info("freeze: %p\n", priv->base); ++ ++ return phy_rcar_gen2_pm_suspend(dev); ++} ++ ++static int phy_rcar_gen2_pm_restore(struct device *dev) ++{ ++ struct rcar_gen2_usb_phy_priv *priv = dev_get_drvdata(dev); ++ struct resource *res; ++ ++ res = platform_get_resource(to_platform_device(dev), IORESOURCE_MEM, 0); ++ priv->base = devm_ioremap_resource(dev, res); ++ if (IS_ERR(priv->base)) { ++ pr_info("restore: pointer error %ld\n", PTR_ERR(priv->base)); ++ return PTR_ERR(priv->base); ++ } ++ pr_info("restore: %p\n", priv->base); ++ __rcar_gen2_usb_phy_init(priv); ++ devm_release_mem_region(dev, res->start, ++ resource_size(res)); ++ devm_iounmap(dev, priv->base); ++ priv->base = NULL; ++ return phy_rcar_gen2_pm_resume(dev); ++} ++ + static const struct dev_pm_ops phy_rcar_gen2_dev_pm_ops = { + .suspend = phy_rcar_gen2_pm_suspend, + .resume = phy_rcar_gen2_pm_resume, ++ .freeze_noirq = phy_rcar_gen2_pm_freeze, ++ .restore = phy_rcar_gen2_pm_restore, ++ .thaw = phy_rcar_gen2_pm_resume, ++ .poweroff = phy_rcar_gen2_pm_suspend, + }; + #endif + +-- +1.8.3.1 + |