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

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Message-ID: <20240530074053.GA48462@ubuntu>
Date: Thu, 30 May 2024 16:40:53 +0900
From: Jung Daehwan <dh10.jung@...sung.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
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 09:29:21AM +0200, Greg Kroah-Hartman wrote:
> 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
> 

Yes, I will modify it.

Best Regards,
Jung Daehwan