diff options
| author | Rakesh Bodla <rbodla@nvidia.com> | 2011-12-01 12:47:41 +0530 |
|---|---|---|
| committer | Varun Wadekar <vwadekar@nvidia.com> | 2011-12-08 17:05:58 +0530 |
| commit | a3dd680a9e55e216871adb44132c7bb6a620bb1f (patch) | |
| tree | 1964937a775c9f36d1d71b132fade477edf04f8c /drivers/usb/host/ehci-tegra.c | |
| parent | 85eb6549652b7c6eeb2434efca01df7c13a2923c (diff) | |
usb: ehci: tegra: remote wakeup for usb host in lp0
enable_irq_wake call for INT_USB/INT_USB3 is added
Bug 902114
Change-Id: I90f273019285f19bd3ec1e7a2c57641c12ab8202
Reviewed-on: http://git-master/r/67607
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>
Diffstat (limited to 'drivers/usb/host/ehci-tegra.c')
| -rw-r--r-- | drivers/usb/host/ehci-tegra.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c index b6896a61d2ff..1e211b16c12f 100644 --- a/drivers/usb/host/ehci-tegra.c +++ b/drivers/usb/host/ehci-tegra.c @@ -73,6 +73,7 @@ struct tegra_ehci_hcd { bool timer_event; int hsic_connect_retries; struct mutex tegra_ehci_hcd_mutex; + unsigned int irq; }; static void tegra_ehci_power_up(struct usb_hcd *hcd, bool is_dpd) @@ -1195,6 +1196,7 @@ static int tegra_ehci_probe(struct platform_device *pdev) goto fail; } set_irq_flags(irq, IRQF_VALID); + tegra->irq = irq; #ifdef CONFIG_USB_EHCI_ONOFF_FEATURE if (instance == 1) { @@ -1213,10 +1215,18 @@ static int tegra_ehci_probe(struct platform_device *pdev) err = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED); if (err) { - dev_err(&pdev->dev, "Failed to add USB HCD\n"); + dev_err(&pdev->dev, "Failed to add USB HCD error = %d\n", err); goto fail; } + err = enable_irq_wake(tegra->irq); + if (err < 0) { + dev_warn(&pdev->dev, + "Couldn't enable USB host mode wakeup, irq=%d, " + "error=%d\n", tegra->irq, err); + err = 0; + } + #ifdef CONFIG_USB_EHCI_ONOFF_FEATURE if (instance == 1) ehci_handle = hcd; @@ -1335,6 +1345,7 @@ static int tegra_ehci_remove(struct platform_device *pdev) /* Turn Off Interrupts */ ehci_writel(tegra->ehci, 0, &tegra->ehci->regs->intr_enable); clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); + disable_irq_wake(tegra->irq); usb_remove_hcd(hcd); usb_put_hcd(hcd); cancel_delayed_work(&tegra->work); |