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From: balbi@kernel.org (Felipe Balbi)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v1] usb: host: Implement workaround for Erratum A-007463
Date: Thu, 21 Sep 2017 09:48:03 +0300	[thread overview]
Message-ID: <87fubg4kf0.fsf@linux.intel.com> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1709201004040.1563-100000@iolanthe.rowland.org>


Hi,

Alan Stern <stern@rowland.harvard.edu> writes:

> The Subject: line should specify which type of USB host controller the
> patch is for.  The kernel contains lots of different USB host
> controller drivers.  How are we supposed to know that Erratum A-007463
> applies to dwc3 xHCI controllers?
>
> The Subject: line should say something like:
>
> [PATCH v1] USB: host: dwc3: Implement workaround for Erratum A-007643

If we're talking about a dwc3 implementation, we need a quirk flag on
dwc3 core to be passed down to the xhci-plat device, like every other
quirk on this controller.

I also need a reference to SNPS stars ticket that talks about this problem.

-- 
balbi

WARNING: multiple messages have this Message-ID (diff)
From: Felipe Balbi <balbi-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Alan Stern
	<stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org>,
	yinbo.zhu-3arQi8VN3Tc@public.gmane.org
Cc: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	Russell King <linux-I+IVW8TIWO2tmTQ+vhA3Yw@public.gmane.org>,
	Greg Kroah-Hartman
	<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
	Mathias Nyman
	<mathias.nyman-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"moderated list:ARM PORT"
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	open list <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"open list:DESIGNWARE USB3 DRD IP DRIVER"
	<linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH v1] usb: host: Implement workaround for Erratum A-007463
Date: Thu, 21 Sep 2017 09:48:03 +0300	[thread overview]
Message-ID: <87fubg4kf0.fsf@linux.intel.com> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1709201004040.1563-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>


Hi,

Alan Stern <stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org> writes:

> The Subject: line should specify which type of USB host controller the
> patch is for.  The kernel contains lots of different USB host
> controller drivers.  How are we supposed to know that Erratum A-007463
> applies to dwc3 xHCI controllers?
>
> The Subject: line should say something like:
>
> [PATCH v1] USB: host: dwc3: Implement workaround for Erratum A-007643

If we're talking about a dwc3 implementation, we need a quirk flag on
dwc3 core to be passed down to the xhci-plat device, like every other
quirk on this controller.

I also need a reference to SNPS stars ticket that talks about this problem.

-- 
balbi
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WARNING: multiple messages have this Message-ID (diff)
From: Felipe Balbi <balbi@kernel.org>
To: Alan Stern <stern@rowland.harvard.edu>, yinbo.zhu@nxp.com
Cc: Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Russell King <linux@armlinux.org.uk>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Mathias Nyman <mathias.nyman@intel.com>,
	"open list\:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
	<devicetree@vger.kernel.org>,
	"moderated list\:ARM PORT" <linux-arm-kernel@lists.infradead.org>,
	open list <linux-kernel@vger.kernel.org>,
	"open list\:DESIGNWARE USB3 DRD IP DRIVER" 
	<linux-usb@vger.kernel.org>
Subject: Re: [PATCH v1] usb: host: Implement workaround for Erratum A-007463
Date: Thu, 21 Sep 2017 09:48:03 +0300	[thread overview]
Message-ID: <87fubg4kf0.fsf@linux.intel.com> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1709201004040.1563-100000@iolanthe.rowland.org>


Hi,

Alan Stern <stern@rowland.harvard.edu> writes:

> The Subject: line should specify which type of USB host controller the
> patch is for.  The kernel contains lots of different USB host
> controller drivers.  How are we supposed to know that Erratum A-007463
> applies to dwc3 xHCI controllers?
>
> The Subject: line should say something like:
>
> [PATCH v1] USB: host: dwc3: Implement workaround for Erratum A-007643

If we're talking about a dwc3 implementation, we need a quirk flag on
dwc3 core to be passed down to the xhci-plat device, like every other
quirk on this controller.

I also need a reference to SNPS stars ticket that talks about this problem.

-- 
balbi

  reply	other threads:[~2017-09-21  6:48 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-20  9:24 [PATCH v1] usb: host: Implement workaround for Erratum A-007463 yinbo.zhu at nxp.com
2017-09-20  9:24 ` yinbo.zhu
2017-09-20  9:24 ` yinbo.zhu-3arQi8VN3Tc
2017-09-20  9:50 ` Greg Kroah-Hartman
2017-09-20  9:50   ` Greg Kroah-Hartman
2017-09-20  9:53 ` Greg Kroah-Hartman
2017-09-20  9:53   ` Greg Kroah-Hartman
2017-09-20  9:53   ` Greg Kroah-Hartman
2017-09-20 12:57 ` Mathias Nyman
2017-09-20 12:57   ` Mathias Nyman
2017-09-20 12:57   ` Mathias Nyman
2017-09-20 14:07 ` Alan Stern
2017-09-20 14:07   ` Alan Stern
2017-09-20 14:07   ` Alan Stern
2017-09-21  6:48   ` Felipe Balbi [this message]
2017-09-21  6:48     ` Felipe Balbi
2017-09-21  6:48     ` Felipe Balbi

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