From: Rob Herring <robherring2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Alan Stern <stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org>
Cc: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>,
Sebastian Andrzej Siewior
<sebastian-E0PNVn5OA6ohrxcnuTQ+TQ@public.gmane.org>,
Tony Prisk <linux-ci5G2KO2hbZ+pU9mqzGVBQ@public.gmane.org>,
Greg KH
<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
USB list <linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>,
Florian Fainelli
<florian-p3rKhJxN3npAfugRpC6u6w@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH v2 2/2] USB: doc: Binding document for ehci-platform driver
Date: Wed, 24 Oct 2012 12:42:26 -0500 [thread overview]
Message-ID: <50882882.1090806@gmail.com> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1210241238570.1282-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
On 10/24/2012 11:44 AM, Alan Stern wrote:
> On Wed, 24 Oct 2012, Stephen Warren wrote:
>
>> We should absolutely avoid Linux-specific properties where possible.
>>
>> That said, what Linux-specific properties are you talking about? The
>> properties discussed here (has-synopsys-hc-bug, no-io-watchdog, has-tt)
>> are all purely a description of HW, aren't they.
>
> "has-tt" is definitely a description of the HW.
Can you spell out tt.
> "has-synopsys-hc-bug" is too, although determining whether or not it
> should apply to a particular controller might be difficult. I'm
> inclined not to include it among the properties.
What happens when there are 2 synopsys hc bugs? Something more specific
about what the bug is would be better.
> "no-io-watchdog" is not the greatest name. It describes to controllers
> that always do generate IRQs for I/O events when they are supposed to
> (and hence the driver doesn't need to set up a watchdog timer to detect
> I/O completions that didn't generate an IRQ). So while the concept is
> HW-specific, the name refers to a driver implementation issue. A
> better name might be something like "reliable-IRQs". Again, it's not
> such an easy thing to test for. Almost all the existing drivers leave
> it unset.
Shouldn't the default be reliable irqs? What about "unreliable-irqs"?
Rob
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next prev parent reply other threads:[~2012-10-24 17:42 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-20 22:10 [PATCH v2 0/2] Update ehci-platform driver to support devicetree Tony Prisk
[not found] ` <1350771032-11527-1-git-send-email-linux-ci5G2KO2hbZ+pU9mqzGVBQ@public.gmane.org>
2012-10-20 22:10 ` [PATCH v2 1/2] USB: Update EHCI-platform driver to devicetree Tony Prisk
[not found] ` <1350771032-11527-2-git-send-email-linux-ci5G2KO2hbZ+pU9mqzGVBQ@public.gmane.org>
2012-10-21 2:02 ` Alan Stern
2012-10-22 14:51 ` Alan Stern
2012-10-20 22:10 ` [PATCH v2 2/2] USB: doc: Binding document for ehci-platform driver Tony Prisk
[not found] ` <1350771032-11527-3-git-send-email-linux-ci5G2KO2hbZ+pU9mqzGVBQ@public.gmane.org>
2012-10-21 17:34 ` Florian Fainelli
2012-10-22 16:07 ` Stephen Warren
[not found] ` <50856F41.7000205-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-10-22 17:34 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1210221324580.1724-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2012-10-22 17:48 ` Stephen Warren
[not found] ` <508586ED.1010106-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-10-22 19:00 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1210221443580.1724-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2012-10-22 22:10 ` Stephen Warren
[not found] ` <5085C470.4040707-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-10-23 14:10 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1210231004310.1635-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2012-10-23 16:15 ` Stephen Warren
[not found] ` <5086C2B0.6070006-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-10-23 17:59 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1210231340340.1635-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2012-10-23 18:47 ` Stephen Warren
[not found] ` <5086E62D.8040407-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-10-23 19:33 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1210231522230.1635-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2012-10-23 20:06 ` Rob Herring
[not found] ` <5086F8D6.5050605-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-10-24 14:57 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1210241013310.1481-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2012-10-24 15:26 ` Sebastian Andrzej Siewior
[not found] ` <20121024152652.GG4368-E0PNVn5OA6ohrxcnuTQ+TQ@public.gmane.org>
2012-10-24 16:16 ` Stephen Warren
[not found] ` <5088145F.1040504-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-10-24 16:36 ` Florian Fainelli
2012-10-24 16:38 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1210241233040.1282-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2012-10-24 16:44 ` Florian Fainelli
2012-10-24 18:04 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1210241358090.1282-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2012-10-24 18:18 ` Florian Fainelli
2012-10-24 16:45 ` Stephen Warren
[not found] ` <50881B19.3080609-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-10-24 17:46 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1210241329230.1282-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2012-10-24 18:09 ` Stephen Warren
[not found] ` <50882EED.9020200-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-10-24 18:55 ` Mitch Bradley
[not found] ` <5088399F.2000102-D5eQfiDGL7eakBO8gow8eQ@public.gmane.org>
2012-10-24 19:30 ` Alan Stern
2012-10-25 10:23 ` Sebastian Andrzej Siewior
[not found] ` <20121025102301.GA3469-E0PNVn5OA6ohrxcnuTQ+TQ@public.gmane.org>
2012-10-25 14:36 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1210251035270.1278-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2012-10-26 8:02 ` Sebastian Andrzej Siewior
[not found] ` <20121026080254.GD3009-E0PNVn5OA6ohrxcnuTQ+TQ@public.gmane.org>
2012-10-26 14:54 ` Alan Stern
2012-10-25 15:53 ` Stephen Warren
2012-10-24 19:41 ` Alan Stern
2012-10-24 16:44 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1210241238570.1282-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2012-10-24 16:48 ` Stephen Warren
2012-10-24 17:42 ` Rob Herring [this message]
[not found] ` <50882882.1090806-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-10-24 17:57 ` Alan Stern
2012-10-24 16:28 ` Stephen Warren
[not found] ` <50881727.10601-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-10-24 16:54 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1210241249010.1282-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2012-10-24 17:37 ` Florian Fainelli
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