Commit cbb23d55 authored by JC Kuo's avatar JC Kuo Committed by Greg Kroah-Hartman
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usb: host: xhci-tegra: Tegra186/Tegra194 LPM



Tegra186 and Tegra194 xHC supports USB 3.0 LPM. This commit enables
XHCI_LPM_SUPPORT quirk for Tegra186 and Tegra194.

Signed-off-by: default avatarJC Kuo <jckuo@nvidia.com>
Acked-by: default avatarThierry Reding <treding@nvidia.com>
Signed-off-by: default avatarMathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20200312144517.1593-6-mathias.nyman@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 2170a98d
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+7 −0
Original line number Diff line number Diff line
@@ -203,6 +203,7 @@ struct tegra_xusb_soc {

	bool scale_ss_clock;
	bool has_ipfs;
	bool lpm_support;
};

struct tegra_xusb_context {
@@ -1779,6 +1780,7 @@ static const struct tegra_xusb_soc tegra186_soc = {
		.data_out = 0xec,
		.owner = 0xf0,
	},
	.lpm_support = true,
};

static const char * const tegra194_supply_names[] = {
@@ -1808,6 +1810,7 @@ static const struct tegra_xusb_soc tegra194_soc = {
		.data_out = 0x70,
		.owner = 0x74,
	},
	.lpm_support = true,
};
MODULE_FIRMWARE("nvidia/tegra194/xusb.bin");

@@ -1832,7 +1835,11 @@ static struct platform_driver tegra_xusb_driver = {

static void tegra_xhci_quirks(struct device *dev, struct xhci_hcd *xhci)
{
	struct tegra_xusb *tegra = dev_get_drvdata(dev);

	xhci->quirks |= XHCI_PLAT;
	if (tegra && tegra->soc->lpm_support)
		xhci->quirks |= XHCI_LPM_SUPPORT;
}

static int tegra_xhci_setup(struct usb_hcd *hcd)