Commit f768e718 authored by Peter Chen's avatar Peter Chen Committed by Greg Kroah-Hartman

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: default avatarJun Li <jun.li@nxp.com>
Signed-off-by: default avatarPeter Chen <peter.chen@nxp.com>
Signed-off-by: default avatarMathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20200918131752.16488-5-mathias.nyman@linux.intel.comSigned-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 93cb8f13
...@@ -183,6 +183,8 @@ static int xhci_plat_probe(struct platform_device *pdev) ...@@ -183,6 +183,8 @@ static int xhci_plat_probe(struct platform_device *pdev)
struct usb_hcd *hcd; struct usb_hcd *hcd;
int ret; int ret;
int irq; int irq;
struct xhci_plat_priv *priv = NULL;
if (usb_disabled()) if (usb_disabled())
return -ENODEV; return -ENODEV;
...@@ -280,8 +282,7 @@ static int xhci_plat_probe(struct platform_device *pdev) ...@@ -280,8 +282,7 @@ static int xhci_plat_probe(struct platform_device *pdev)
priv_match = dev_get_platdata(&pdev->dev); priv_match = dev_get_platdata(&pdev->dev);
if (priv_match) { if (priv_match) {
struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd); priv = hcd_to_xhci_priv(hcd);
/* Just copy data for now */ /* Just copy data for now */
*priv = *priv_match; *priv = *priv_match;
} }
...@@ -329,6 +330,9 @@ static int xhci_plat_probe(struct platform_device *pdev) ...@@ -329,6 +330,9 @@ static int xhci_plat_probe(struct platform_device *pdev)
hcd->tpl_support = of_usb_host_tpl_support(sysdev->of_node); hcd->tpl_support = of_usb_host_tpl_support(sysdev->of_node);
xhci->shared_hcd->tpl_support = hcd->tpl_support; xhci->shared_hcd->tpl_support = hcd->tpl_support;
if (priv && (priv->quirks & XHCI_SKIP_PHY_INIT))
hcd->skip_phy_initialization = 1;
ret = usb_add_hcd(hcd, irq, IRQF_SHARED); ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
if (ret) if (ret)
goto disable_usb_phy; goto disable_usb_phy;
......
...@@ -1876,6 +1876,7 @@ struct xhci_hcd { ...@@ -1876,6 +1876,7 @@ struct xhci_hcd {
#define XHCI_RESET_PLL_ON_DISCONNECT BIT_ULL(34) #define XHCI_RESET_PLL_ON_DISCONNECT BIT_ULL(34)
#define XHCI_SNPS_BROKEN_SUSPEND BIT_ULL(35) #define XHCI_SNPS_BROKEN_SUSPEND BIT_ULL(35)
#define XHCI_RENESAS_FW_QUIRK BIT_ULL(36) #define XHCI_RENESAS_FW_QUIRK BIT_ULL(36)
#define XHCI_SKIP_PHY_INIT BIT_ULL(37)
unsigned int num_active_eps; unsigned int num_active_eps;
unsigned int limit_active_eps; unsigned int limit_active_eps;
......
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