linux-kernel - Re: [PATCH v2 RESEND 2/2] Input: psmouse - Replace flush_workqueue() with disable_delayed_work

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Message-ID: <aVACDawiYQDdQkhu@smile.fi.intel.com>
Date: Sat, 27 Dec 2025 17:58:05 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: duoming@....edu.cn
Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	pali@...nel.org, kuba@...nel.org, alexander.deucher@....com,
	akpm@...ux-foundation.org, johannes.berg@...el.com,
	pkshih@...ltek.com, hverkuil+cisco@...nel.org, tglx@...utronix.de,
	mingo@...nel.org
Subject: Re: [PATCH v2 RESEND 2/2] Input: psmouse - Replace flush_workqueue()
 with disable_delayed_work_sync()

On Thu, Dec 18, 2025 at 10:25:27PM +0800, duoming@....edu.cn wrote:
> On Wed, 17 Dec 2025 22:58:33 -0800 Dmitry Torokhov wrote:

...

> > What do you mean? If you enable OLPC support the option to enable hgpk
> > protocol driver should become available, right?
> 
> The hgpk_init() function is never called by any other function in the
> kernel and is therefore dead code. Since the delayed work item recalib_wq
> is initialized within this function, it is consequently never scheduled
> during runtime.

Actually I confirm this as of v6.19-rc2. Perhaps some patch removed some
functionality in the past and we may remove more now?

-- 
With Best Regards,
Andy Shevchenko