From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arend van Spriel Subject: Re: [RESEND][PATCH] Bluetooth: Make request workqueue freezable Date: Thu, 21 May 2015 19:27:41 +0200 Message-ID: <555E158D.4090607@broadcom.com> References: <33C25745-6839-4858-9A3E-19EC6408ECED@holtmann.org> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Cc: Alan Stern , Marcel Holtmann , Laura Abbott , Oliver Neukum , Ming Lei , "David S. Miller" , Laura Abbott , "Johan Hedberg" , "Rafael J. Wysocki" , "Gustavo F. Padovan" , "bluez mailin list (linux-bluetooth-u79uwXL29TY76Z2rM5mHXA@public.gmane.org)" , Linux Kernel Mailing List , USB list , netdev To: Takashi Iwai Return-path: In-Reply-To: Sender: linux-bluetooth-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org On 05/21/15 17:35, Takashi Iwai wrote: > At Thu, 21 May 2015 11:26:17 -0400 (EDT), > Alan Stern wrote: >> >> On Thu, 21 May 2015, Takashi Iwai wrote: >> >>> At Thu, 21 May 2015 10:18:08 -0400 (EDT), >>> Alan Stern wrote: >>>> >>>> On Thu, 21 May 2015, Takashi Iwai wrote: >>>> >>>>> Then avoiding the failed firmware is no solution, indeed. >>>>> If it's a new probe, it should be never executed during resume. >>>> >>>> Can you expand this comment? What's wrong with probing during resume? >>> >>> Well, if the probe requires the access to a user-space file, it can't >>> be done during resume. That's the very problem we're seeing now. >>> The firmware loader can't help much alone if it's a new device >>> object. >> >> But the same thing happens during early boot, if the driver is built >> into the kernel. When the probe occurs, userspace isn't up and running >> yet, so the firmware loader can't do anything. >> >> Why should probe during resume be any worse than probe during early >> boot? > > The early boot has initrd, so the files can be there. But the resume > has no way to fetch the file except for cached data. but initrd is optional so without initrd it is pretty much the same. Regards, Arend > Takashi > -- > To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in > the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > More majordomo info at http://vger.kernel.org/majordomo-info.html