linux-kernel - Re: [PATCH v6 1/3] USB host: Add USB ehci support for nuvoton npcm7xx platform

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Date:   Tue, 19 Jun 2018 10:49:19 -0400 (EDT)
From:   Alan Stern <stern@...land.harvard.edu>
To:     Avi Fishman <avifishman70@...il.com>
cc:     gregkh@...uxfoundation.org, <tmaimon77@...il.com>,
        <venture@...gle.com>, <yuenn@...gle.com>,
        <brendanhiggins@...gle.com>, <mathias.nyman@...ux.intel.com>,
        <bjorn.andersson@...aro.org>, <jhogan@...nel.org>, <albeu@...e.fr>,
        <chunfeng.yun@...iatek.com>, <tony@...mide.com>,
        <baolu.lu@...ux.intel.com>, <elder@...aro.org>, <digetx@...il.com>,
        <kstewart@...uxfoundation.org>, <hdegoede@...hat.com>,
        <linux-kernel@...r.kernel.org>, <linux-usb@...r.kernel.org>,
        <openbmc@...ts.ozlabs.org>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH v6 1/3] USB host: Add USB ehci support for nuvoton npcm7xx
 platform

On Tue, 19 Jun 2018 avifishman70@...il.com wrote:

> From: Avi Fishman <AviFishman70@...il.com>
> 
> This patch adds support for ehci controller for the Nuvoton
> npcm7xx platform.
> Most of the code was taken from ehci-spear.c + specific initialization
> code
> 
> Signed-off-by: Avi Fishman <AviFishman70@...il.com>
> ---
>  drivers/usb/host/Kconfig        |   8 ++
>  drivers/usb/host/Makefile       |   1 +
>  drivers/usb/host/ehci-npcm7xx.c | 212 ++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 221 insertions(+)
>  create mode 100644 drivers/usb/host/ehci-npcm7xx.c
> 
> diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
> index 9f0aeb068acb..e3100b249f0f 100644
> --- a/drivers/usb/host/Kconfig
> +++ b/drivers/usb/host/Kconfig
> @@ -185,6 +185,14 @@ config USB_EHCI_MXC
>  	---help---
>  	  Variation of ARC USB block used in some Freescale chips.
>  
> +config USB_EHCI_HCD_NPCM7XX
> +	tristate "Support for Nuvoton NPCM7XX on-chip EHCI USB controller"
> +	depends on (USB_EHCI_HCD && ARCH_NPCM7XX) || COMPILE_TEST
> +	default y

Are you sure this is what you want?  The value defaults to Y whenever 
COMPILE_TEST is enabled?  Will that annoy people doing compile tests?

Aside from that one issue,

Acked-by: Alan Stern <stern@...land.harvard.edu>

Alan Stern