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From: Mika Westerberg <>
To: Mario Limonciello <>
Cc: Andreas Noever <>,
	Michael Jamet <>,
	Yehezkel Bernat <>,,,
Subject: Re: [PATCH v3 0/2] Allow breaking up Thunderbolt/USB4 updates
Date: Wed, 1 Jul 2020 13:55:50 +0300
Message-ID: <> (raw)
In-Reply-To: <>

On Tue, Jun 23, 2020 at 11:14:27AM -0500, Mario Limonciello wrote:
> Currently updates to Thunderbolt and USB4 controllers are fully atomic
> actions. When writing into the non-active NVM nothing gets flushed to
> the hardware until authenticate is sent.
> There has been some desire to improve the perceived performance of these
> updates, particularly for userland that may perform the update upon
> a performance sensitive time like logging out.
> So allow userland to flush the image to hardware at runtime, and then
> allow authenticating the image at another time.
> For the Dell WD19TB some specific hardware capability exists that allows
> extending this to automatically complete the update when unplugged.
> Export that functionality to userspace as well.
> Changes from v2 to v3:
>  - Correct some whitespace and kernel-doc comments
>  - Add another missing 'const'
>  - For a quirk: (1<<1) -> BIT(0) 
> Changes from v1 to v2:
>  - Improve documentation
>  - Drop tb-quirks.h
>  - Adjust function and parameter names to Mika's preferences
>  - Rebase onto thunderbolt.git/bleeding-edge to move on top of retimer work
> Mario Limonciello (2):
>   thunderbolt: Add support for separating the flush to SPI and
>     authenticate
>   thunderbolt: Add support for authenticate on disconnect

Both applied to thunderbolt.git/next, thanks Mario!

      parent reply index

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-23 16:14 Mario Limonciello
2020-06-23 16:14 ` [PATCH v3 1/2] thunderbolt: Add support for separating the flush to SPI and authenticate Mario Limonciello
2020-06-23 16:14 ` [PATCH v3 2/2] thunderbolt: Add support for authenticate on disconnect Mario Limonciello
2020-07-01 10:55 ` Mika Westerberg [this message]

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