linux-kernel - Re: [PATCH] usb: host: Add a quirk for writing ERST in high-low order

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Message-ID: <2024052845-unwatched-sprig-b0e1@gregkh>
Date: Tue, 28 May 2024 09:29:21 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Daehwan Jung <dh10.jung@...sung.com>
Cc: Mathias Nyman <mathias.nyman@...el.com>,
	"open list:USB XHCI DRIVER" <linux-usb@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>,
	Thinh Nguyen <Thinh.Nguyen@...opsys.com>
Subject: Re: [PATCH] usb: host: Add a quirk for writing ERST in high-low order

On Tue, May 28, 2024 at 09:23:43AM +0200, Greg Kroah-Hartman wrote:
> On Tue, May 28, 2024 at 02:57:16PM +0900, Daehwan Jung wrote:
> > [Synopsys]- The host controller was design to support ERST setting
> > during the RUN state. But since there is a limitation in controller
> > in supporting separate ERSTBA_HI and ERSTBA_LO programming,
> > It is supported when the ERSTBA is programmed in 64bit,
> > or in 32 bit mode ERSTBA_HI before ERSTBA_LO
> > 
> > [Synopsys]- The internal initialization of event ring fetches
> > the "Event Ring Segment Table Entry" based on the indication of
> > ERSTBA_LO written.

Also, what is the "[Synopsys]-" stuff?  That's not normally in our
changelogs or documentation for how to write a changelog text, is it?

thanks,

greg k-h