From 20f6fdd01c2c0de9cc1109083222edded24c5350 Mon Sep 17 00:00:00 2001 From: Pratyush Anand Date: Fri, 4 Jul 2014 17:01:25 +0300 Subject: xhci: Platform: Set xhci lpm support quirk based on platform data If an xhci platform supports USB3 LPM capability then enable XHCI_LPM_SUPPORT quirk flag. Signed-off-by: Pratyush Anand Signed-off-by: Mathias Nyman Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/xhci-plat.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/usb/host/xhci-plat.c') diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index a4ccd0eb793e..b17459d3fcc8 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -17,6 +17,7 @@ #include #include #include +#include #include "xhci.h" #include "xhci-mvebu.h" @@ -97,6 +98,8 @@ static const struct hc_driver xhci_plat_xhci_driver = { static int xhci_plat_probe(struct platform_device *pdev) { + struct device_node *node = pdev->dev.of_node; + struct usb_xhci_pdata *pdata = dev_get_platdata(&pdev->dev); const struct hc_driver *driver; struct xhci_hcd *xhci; struct resource *res; @@ -185,6 +188,9 @@ static int xhci_plat_probe(struct platform_device *pdev) goto dealloc_usb2_hcd; } + if ((node && of_property_read_bool(node, "usb3-lpm-capable")) || + (pdata && pdata->usb3_lpm_capable)) + xhci->quirks |= XHCI_LPM_SUPPORT; /* * Set the xHCI pointer before xhci_plat_setup() (aka hcd_driver.reset) * is called by usb_add_hcd(). -- cgit v1.2.1