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From: okaya@codeaurora.org (Sinan Kaya)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V4] PCI: Add Extended Tags quirk for Broadcom HT2100 Root Port
Date: Wed, 12 Jul 2017 08:15:43 -0400	[thread overview]
Message-ID: <b8ccaffe-d907-db04-a793-86a3b67f61af@codeaurora.org> (raw)
In-Reply-To: <CABawtvMCJy1Y0Cv-NhVRv4qKLiZ-PUWfeZhTA6uGiiiswe+g6A@mail.gmail.com>

On 7/12/2017 5:44 AM, Ethan Zhao wrote:
> The dmesg yelled "...Tag handling is broken" , but didn't say how it
> was handled, that is weird and confusing, just because there is no
> device under that bridge ?
> 
> How about move the messages together "...is broken, disable Extended tag..."

This was something requested by Bjorn to inform that user has a broken HW
when a quirk is matched.

The new code will disable extended tags only if it was enabled on endpoint
via power on reset value or via some broken BIOS.

It looks like we are not seeing any disabling message. This implies that
both the card and BIOS is good.

That's why, you are no longer seeing a disabling message on this system
and code is just not enabling extended tags.

-- 
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.

  reply	other threads:[~2017-07-12 12:15 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-12  4:04 [PATCH V4] PCI: Add Extended Tags quirk for Broadcom HT2100 Root Port Sinan Kaya
2017-07-12  8:55 ` Wim ten Have
2017-07-12  9:44   ` Ethan Zhao
2017-07-12 12:15     ` Sinan Kaya [this message]
2017-07-12 19:34       ` Bjorn Helgaas
2017-07-13  5:54         ` Ethan Zhao
2017-07-12 19:39 ` Bjorn Helgaas

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