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usb: host: xhci-plat: add platform data support

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Some xhci hosts (eg dwc3 and cdns3) do not use OF to create
platform device, they create xhci-plat platform device runtime.
And these platforms may also have quirks, and the quirks could
be supplied by their parent device through platform data.

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/20200918131752.16488-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Chen 2020-09-18 16:17:43 +03:00 committed by Greg Kroah-Hartman
parent 37329036f6
commit 46034a999c
1 changed files with 5 additions and 1 deletions
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6
drivers/usb/host/xhci-plat.c
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@ -264,7 +264,11 @@ static int xhci_plat_probe(struct platform_device *pdev)
if (ret)
goto disable_reg_clk;
priv_match = of_device_get_match_data(&pdev->dev);
if (pdev->dev.of_node)
priv_match = of_device_get_match_data(&pdev->dev);
else
priv_match = dev_get_platdata(&pdev->dev);
if (priv_match) {
struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd);