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Date: Fri, 13 Mar 2020 10:15:43 -0400 From: Al Cooper <alcooperx@...il.com> To: linux-kernel@...r.kernel.org Cc: Al Cooper <alcooperx@...il.com>, Alan Stern <stern@...land.harvard.edu>, Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, Arnd Bergmann <arnd@...db.de>, Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>, bcm-kernel-feedback-list@...adcom.com, "David S. Miller" <davem@...emloft.net>, devicetree@...r.kernel.org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Johan Hovold <johan@...nel.org>, Jonathan Cameron <Jonathan.Cameron@...wei.com>, Krzysztof Kozlowski <krzk@...nel.org>, linux-usb@...r.kernel.org, Mark Rutland <mark.rutland@....com>, Mathias Nyman <mathias.nyman@...el.com>, Mauro Carvalho Chehab <mchehab+huawei@...nel.org>, Rob Herring <robh+dt@...nel.org>, Rob Herring <robh@...nel.org> Subject: [PATCH 2/4] usb: xhci: xhci-plat: Add support for Broadcom STB SoC's Add support for Broadcom STB SoC's to the xhci platform driver Signed-off-by: Al Cooper <alcooperx@...il.com> --- drivers/usb/host/xhci-brcm.c | 16 ++++++++++++++++ drivers/usb/host/xhci-brcm.h | 16 ++++++++++++++++ drivers/usb/host/xhci-plat.c | 11 +++++++++++ 3 files changed, 43 insertions(+) create mode 100644 drivers/usb/host/xhci-brcm.c create mode 100644 drivers/usb/host/xhci-brcm.h diff --git a/drivers/usb/host/xhci-brcm.c b/drivers/usb/host/xhci-brcm.c new file mode 100644 index 000000000000..bf8c0bfd1780 --- /dev/null +++ b/drivers/usb/host/xhci-brcm.c @@ -0,0 +1,16 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2018, Broadcom */ + +#include <linux/usb.h> +#include <linux/usb/hcd.h> + +#include "xhci.h" + +int xhci_plat_brcm_init_quirk(struct usb_hcd *hcd) +{ + struct xhci_hcd *xhci = hcd_to_xhci(hcd); + + xhci->quirks |= XHCI_RESET_ON_RESUME; + return 0; +} + diff --git a/drivers/usb/host/xhci-brcm.h b/drivers/usb/host/xhci-brcm.h new file mode 100644 index 000000000000..e64800fae4d5 --- /dev/null +++ b/drivers/usb/host/xhci-brcm.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2018, Broadcom */ + +#ifndef _XHCI_BRCM_H +#define _XHCI_BRCM_H + +#if IS_ENABLED(CONFIG_USB_XHCI_BRCM) +int xhci_plat_brcm_init_quirk(struct usb_hcd *hcd); +#else +static inline int xhci_plat_brcm_init_quirk(struct usb_hcd *hcd) +{ + return 0; +} +#endif +#endif /* _XHCI_BRCM_H */ + diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index d90cd5ec09cf..9314620b8fad 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -24,6 +24,7 @@ #include "xhci-plat.h" #include "xhci-mvebu.h" #include "xhci-rcar.h" +#include "xhci-brcm.h" static struct hc_driver __read_mostly xhci_plat_hc_driver; @@ -112,6 +113,10 @@ static const struct xhci_plat_priv xhci_plat_renesas_rcar_gen3 = { SET_XHCI_PLAT_PRIV_FOR_RCAR(XHCI_RCAR_FIRMWARE_NAME_V3) }; +static const struct xhci_plat_priv xhci_plat_brcm = { + .init_quirk = xhci_plat_brcm_init_quirk +}; + static const struct of_device_id usb_xhci_of_match[] = { { .compatible = "generic-xhci", @@ -147,6 +152,12 @@ static const struct of_device_id usb_xhci_of_match[] = { }, { .compatible = "renesas,rcar-gen3-xhci", .data = &xhci_plat_renesas_rcar_gen3, + }, { + .compatible = "brcm,xhci-brcm-v2", + .data = &xhci_plat_brcm, + }, { + .compatible = "brcm,bcm7445-xhci", + .data = &xhci_plat_brcm, }, {}, }; -- 2.17.1
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