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usb: host: xhci-plat: add priv quirk for skip PHY initialization
Some DRD controllers (eg, dwc3 & cdns3) have PHY management at their own driver to cover both device and host mode, so add one priv quirk for such users to skip PHY management from HCD core. Reviewed-by: Jun Li <jun.li@nxp.com> Signed-off-by: Peter Chen <peter.chen@nxp.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20200918131752.16488-5-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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parent
93cb8f13be
commit
f768e71891
2 changed files with 7 additions and 2 deletions
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@ -183,6 +183,8 @@ static int xhci_plat_probe(struct platform_device *pdev)
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struct usb_hcd *hcd;
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int ret;
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int irq;
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struct xhci_plat_priv *priv = NULL;
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if (usb_disabled())
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return -ENODEV;
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@ -280,8 +282,7 @@ static int xhci_plat_probe(struct platform_device *pdev)
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priv_match = dev_get_platdata(&pdev->dev);
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if (priv_match) {
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struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd);
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priv = hcd_to_xhci_priv(hcd);
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/* Just copy data for now */
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*priv = *priv_match;
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}
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@ -329,6 +330,9 @@ static int xhci_plat_probe(struct platform_device *pdev)
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hcd->tpl_support = of_usb_host_tpl_support(sysdev->of_node);
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xhci->shared_hcd->tpl_support = hcd->tpl_support;
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if (priv && (priv->quirks & XHCI_SKIP_PHY_INIT))
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hcd->skip_phy_initialization = 1;
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ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
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if (ret)
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goto disable_usb_phy;
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@ -1876,6 +1876,7 @@ struct xhci_hcd {
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#define XHCI_RESET_PLL_ON_DISCONNECT BIT_ULL(34)
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#define XHCI_SNPS_BROKEN_SUSPEND BIT_ULL(35)
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#define XHCI_RENESAS_FW_QUIRK BIT_ULL(36)
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#define XHCI_SKIP_PHY_INIT BIT_ULL(37)
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unsigned int num_active_eps;
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unsigned int limit_active_eps;
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