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Date: Wed, 5 Aug 2026 11:59:58 +0200
From: Greg KH <gregkh@linuxfoundation.org>
To: Hongyu Xie <xiehongyu1@kylinos.cn>
Cc: guanyulin@google.com, rafael.j.wysocki@intel.com,
	sakari.ailus@linux.intel.com, mathias.nyman@linux.intel.com,
	eadavis@qq.com, kees@kernel.org,
	dominique.martinet@atmark-techno.com, khtsai@google.com,
	stern@rowland.harvard.edu, oneukum@suse.com,
	marco.crivellari@suse.com, thorsten.blum@linux.dev,
	amardeep.rai@intel.com, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH] usb: core: defer leaf-device resume off the S3
 critical path
Message-ID: <2026080500-unbalance-stunner-ed45@gregkh>
References: <20260805093641.3543206-1-xiehongyu1@kylinos.cn>
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In-Reply-To: <20260805093641.3543206-1-xiehongyu1@kylinos.cn>

On Wed, Aug 05, 2026 at 05:36:41PM +0800, Hongyu Xie wrote:
> Gated by module parameter usbcore.defer_resume (default off).

This is not the 1990's, we don't add module parameters for core
functionality that should "just work".  Please make this dynamic and
work properly for all systems, without a boot option, and without the
#ifdef stuff.

thanks,

greg k-h