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Message-ID: <20111231162718.GA27867@srcf.ucam.org> Date: Sat, 31 Dec 2011 16:27:18 +0000 From: Matthew Garrett <mjg@...hat.com> To: Alan Stern <stern@...land.harvard.edu> Cc: Linus Torvalds <torvalds@...ux-foundation.org>, Dave Jones <davej@...hat.com>, Linux Kernel <linux-kernel@...r.kernel.org>, Larry Finger <Larry.Finger@...inger.net>, Chaoming Li <chaoming_li@...lsil.com.cn>, "John W. Linville" <linville@...driver.com>, Greg Kroah-Hartman <gregkh@...e.de>, USB list <linux-usb@...r.kernel.org>, Linux Wireless List <linux-wireless@...r.kernel.org> Subject: Re: loading firmware while usermodehelper disabled. On Sat, Dec 31, 2011 at 10:33:12AM -0500, Alan Stern wrote: > Nothing has changed in the USB layer -- it has always been true that > devices could be reset during a suspend/resume cycle. This isn't a > matter of how the stack is written or anything like that; some > motherboards simply do not provide suspend power to their USB > controllers. Or the firmware reinitializes the controllers and > attached devices during resume, forcing Linux's USB core to reset > every device on the affected buses. I know that this is hardware dependent, but the hardware hasn't changed here. -- Matthew Garrett | mjg59@...f.ucam.org -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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