On Fri, Aug 07, 2015 at 06:03:36PM -0700, Duc Dang wrote:
> Provide the methods to let ACPI identify the need to use
> xhci-platform. Change the Kconfig files so the
> xhci-plat.o file is selectable during kernel config.
>
> This has been tested on an ARM64 machine with platform XHCI, an
> x86_64 machine with XHCI, and an x86_64 machine without XHCI.
> There were no regressions or error messages on the machines
> without platform XHCI.
>
> [dhdang: regenerate the patch over 4.2-rc5]
> Signed-off-by: Mark Langsdorf <mlangsdo@xxxxxxxxxx>
> Signed-off-by: Duc Dang <dhdang@xxxxxxx>
>
> ---
> Changes from v3:
> Regenerate the patch over 4.2-rc5
> No code change
>
> Changes from v2
> Replaced tristate with a boolean as the driver doesn't
> compile as a module
> Correct --help-- to ---help---
>
> Changes from v1
> Renamed from "add support for APM X-Gene to xhci-platform"
> Removed changes to arm64/Kconfig
> Made CONFIG_USB_XHCI_PLATFORM a user selectable config option
>
> drivers/usb/host/Kconfig | 7 ++++++-
> drivers/usb/host/xhci-plat.c | 11 +++++++++++
> 2 files changed, 17 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
> index 8afc3c1..96231ee 100644
> --- a/drivers/usb/host/Kconfig
> +++ b/drivers/usb/host/Kconfig
> @@ -32,7 +32,12 @@ config USB_XHCI_PCI
> default y
>
> config USB_XHCI_PLATFORM
> - tristate
> + tristate "xHCI platform driver support"
> + ---help---
> + Say 'Y' to enable the support for the xHCI host controller
> + as a platform device. Many ARM SoCs provide USB this way.
> +
> + If unsure, say 'Y'.
>
> config USB_XHCI_MVEBU
> tristate "xHCI support for Marvell Armada 375/38x"
> diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
> index 5d03f8b..14b40d2 100644
> --- a/drivers/usb/host/xhci-plat.c
> +++ b/drivers/usb/host/xhci-plat.c
> @@ -19,6 +19,7 @@
> #include <linux/usb/phy.h>
> #include <linux/slab.h>
> #include <linux/usb/xhci_pdriver.h>
> +#include <linux/acpi.h>
>
> #include "xhci.h"
> #include "xhci-mvebu.h"
> @@ -262,6 +263,15 @@ static const struct of_device_id usb_xhci_of_match[] = {
> MODULE_DEVICE_TABLE(of, usb_xhci_of_match);
> #endif
>
> +#ifdef CONFIG_ACPI
You shoudn't need this #ifdef, right?
thanks,
greg k-h
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