Linux PCI subsystem development
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From: Arnd Bergmann <arnd@arndb.de>
To: Joao Pinto <Joao.Pinto@synopsys.com>
Cc: Bjorn Helgaas <helgaas@kernel.org>,
	linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
	CARLOS.PALMINHA@synopsys.com
Subject: Re: [PATCH] link up validation moved to pcie-designware
Date: Tue, 09 Feb 2016 16:28:38 +0100	[thread overview]
Message-ID: <3127323.7iUuBrk8dh@wuerfel> (raw)
In-Reply-To: <56B8C6C7.9060105@synopsys.com>

On Monday 08 February 2016 16:48:07 Joao Pinto wrote:
> On 2/8/2016 4:46 PM, Arnd Bergmann wrote:
> > On Monday 08 February 2016 16:43:33 Joao Pinto wrote:
> >> Hi,
> >> Ok, so what should be the retries and waiting time in your opinion?
> >> The most typical is:
> >>
> >> retries: 10
> >> delay: 100ms (usleep_range (90000, 100000))
> >>
> >> These values should be ok?
> >>
> >> I am already testing a full pcie-designware platform driver.
> >>
> >>
> > You are the one with the datasheet, not me. 
> 
> Our reference driver follows the 10x with 100ms delay between retries, so lets
> follow that value. Agree?
> 

I wouldn't trust the reference driver too much, better follow whatever
the hardware specifications says.

	Arnd

      reply	other threads:[~2016-02-09 15:28 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-08 12:43 [PATCH] link up validation moved to pcie-designware Joao Pinto
2016-02-08 13:03 ` Gabriele Paoloni
2016-02-08 15:12   ` Joao Pinto
2016-02-08 15:29     ` Gabriele Paoloni
2016-02-08 15:30       ` Joao Pinto
2016-02-25 16:28   ` Bjorn Helgaas
2016-02-08 16:40 ` Arnd Bergmann
2016-02-08 16:41 ` Bjorn Helgaas
2016-02-08 16:43   ` Joao Pinto
2016-02-08 16:46     ` Arnd Bergmann
2016-02-08 16:48       ` Joao Pinto
2016-02-09 15:28         ` Arnd Bergmann [this message]

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