[PATCH 05/19] usb: host: xhci-plat: Add support to pass XHCI_NEEDS_LHC_RESET quirk

From: George Cherian
Date: Tue Nov 25 2014 - 08:21:38 EST


Extend the platform data to pass XHCI_NEEDS_LHC_RESET quirk to
the xhci driver.

Signed-off-by: George Cherian <george.cherian@xxxxxx>
---
drivers/usb/host/xhci-plat.c | 3 +++
include/linux/usb/xhci_pdriver.h | 1 +
2 files changed, 4 insertions(+)

diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 2c42273..d8d024d 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -31,6 +31,9 @@ static void xhci_plat_quirks(struct device *dev, struct xhci_hcd *xhci)

if (pdata->usb_drd_support)
xhci->quirks |= XHCI_DRD_SUPPORT;
+
+ if (pdata->usb_needs_lhc_reset)
+ xhci->quirks |= XHCI_NEEDS_LHC_RESET;
/*
* As of now platform drivers don't provide MSI support so we ensure
* here that the generic code does not try to make a pci_dev from our
diff --git a/include/linux/usb/xhci_pdriver.h b/include/linux/usb/xhci_pdriver.h
index 539c2d8..8ef7321 100644
--- a/include/linux/usb/xhci_pdriver.h
+++ b/include/linux/usb/xhci_pdriver.h
@@ -23,6 +23,7 @@
struct usb_xhci_pdata {
unsigned usb3_lpm_capable:1;
unsigned usb_drd_support:1;
+ unsigned usb_needs_lhc_reset:1;
};

#endif /* __USB_CORE_XHCI_PDRIVER_H */
--
1.8.3.1

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