diff options
| author | Pratyush Anand <pratyush.anand@st.com> | 2014-07-04 17:01:25 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2014-12-08 17:51:13 +0000 |
| commit | 4f953a1e6a6941ef4109f4a0ea31f2a61c6df863 (patch) | |
| tree | 91cf455c6a139ee87f19d5019420c9cf808e328e /drivers/usb | |
| parent | e233358d7cad8ce02835335f580723498248d09e (diff) | |
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 <pratyush.anand@st.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 20f6fdd01c2c0de9cc1109083222edded24c5350)
Signed-off-by: Mark Brown <broonie@kernel.org>
Conflicts:
Documentation/devicetree/bindings/usb/usb-xhci.txt
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/xhci-plat.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index ab1b6d8d2fc4..874dede5b8e8 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -16,6 +16,7 @@ #include <linux/of.h> #include <linux/platform_device.h> #include <linux/slab.h> +#include <linux/usb/xhci_pdriver.h> #include "xhci.h" @@ -87,6 +88,8 @@ 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; @@ -152,6 +155,9 @@ 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(). |