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From: Pavel Machek <pavel-AlSwsSmVLrQ@public.gmane.org>
To: Alan Stern <stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org>
Cc: David Brownell <david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>,
	Bernard Blackham
	<bernard-4vSAtV5O1nc0n/F98K4Iww@public.gmane.org>,
	ncunningham-3EexvZdKGZRWk0Htik3J/w@public.gmane.org,
	Linux-pm mailing list
	<linux-pm-qjLDD68F18O7TbgM5vRIOg@public.gmane.org>
Subject: Re: Re: uhci-hcd suspend/resume under the new driver model
Date: Tue, 15 Mar 2005 22:52:54 +0100	[thread overview]
Message-ID: <20050315215253.GE20818@elf.ucw.cz> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0503151636290.711-100000-3WpdWqXrU/qjv4eRiOYp3g@public.gmane.org>

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Hi!

> One other point: Suspend calls free_irq() and resume calls request_irq().  
> This doesn't seem necessary to me since the common IRQ handler will reject
> interrupts occuring while the controller is suspended.  Also it's asking
> for trouble if the driver is unloaded before the controller is resumed,
> since the remove routine will call free_irq() again on its own.  I've
> #ifdef'ed out those calls below, but this deserves closer attention.

Be carefull with free_irq() / request_irq(). For some reason I needed
to add them to b44 driver. I'm not sure what is going on, perhaps we
are not saving interrupt controller state right?
								Pavel

-- 
People were complaining that M$ turns users into beta-testers...
...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!

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  parent reply	other threads:[~2005-03-15 21:52 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20050313101453.GA4820@blackham.com.au>
     [not found] ` <20050313101453.GA4820-4vSAtV5O1nc0n/F98K4Iww@public.gmane.org>
2005-03-13 18:12   ` uhci-hcd suspend/resume under the new driver model Pavel Machek
     [not found]     ` <20050313181225.GC1579-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-03-13 22:57       ` Benjamin Herrenschmidt
2005-03-13 23:20         ` Pavel Machek
     [not found]           ` <20050313232002.GC22635-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-03-14  2:23             ` Bernard Blackham
     [not found]               ` <20050314022308.GD6008-4vSAtV5O1nc0n/F98K4Iww@public.gmane.org>
2005-03-14  4:03                 ` David Brownell
     [not found]                   ` <200503132003.27555.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2005-03-14  8:08                     ` Pavel Machek
     [not found]                       ` <20050314080827.GG22635-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-03-14 18:17                         ` David Brownell
     [not found]                           ` <200503141017.17305.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2005-03-14 18:44                             ` Pavel Machek
     [not found]                               ` <20050314184454.GL5461-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-03-14 18:59                                 ` David Brownell
     [not found]                                   ` <200503141059.26107.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2005-03-14 19:30                                     ` Pavel Machek
     [not found]                                       ` <20050314193054.GO5461-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-03-16 21:05                                         ` David Brownell
     [not found]                                           ` <200503161305.57698.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2005-03-16 21:44                                             ` Nigel Cunningham
     [not found]                                               ` <1111009442.3240.28.camel-r49W/1Cwd2ff0s6lnCXPX/uOuaPYTxhvJwvTLr3MMZM@public.gmane.org>
2005-03-16 22:12                                                 ` David Brownell
     [not found]                                                   ` <200503161412.42387.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2005-03-16 22:19                                                     ` Pavel Machek
2005-03-16 22:48                                                     ` Nigel Cunningham
2005-03-16 21:57                                             ` Pavel Machek
2005-03-14 22:22                                 ` Benjamin Herrenschmidt
2005-03-14 22:21                             ` Benjamin Herrenschmidt
2005-03-14 22:31                 ` Alan Stern
     [not found]                   ` <Pine.LNX.4.44L0.0503141717240.620-100000-3WpdWqXrU/qjv4eRiOYp3g@public.gmane.org>
2005-03-14 22:38                     ` Nigel Cunningham
2005-03-15 21:48                 ` Alan Stern
     [not found]                   ` <Pine.LNX.4.44L0.0503151636290.711-100000-3WpdWqXrU/qjv4eRiOYp3g@public.gmane.org>
2005-03-15 21:52                     ` Pavel Machek [this message]
2005-03-15 22:11                     ` David Brownell
2005-03-16  3:04                     ` Bernard Blackham
     [not found]                       ` <20050316030448.GA8588-4vSAtV5O1nc0n/F98K4Iww@public.gmane.org>
2005-03-16 15:45                         ` Alan Stern
     [not found]                           ` <Pine.LNX.4.44L0.0503161024360.1040-100000-3WpdWqXrU/qjv4eRiOYp3g@public.gmane.org>
2005-03-16 16:52                             ` Bernard Blackham
     [not found]                               ` <20050316165239.GA10545-4vSAtV5O1nc0n/F98K4Iww@public.gmane.org>
2005-03-16 18:44                                 ` Alan Stern
     [not found]                                   ` <Pine.LNX.4.44L0.0503161336500.1040-100000-3WpdWqXrU/qjv4eRiOYp3g@public.gmane.org>
2005-03-17  1:10                                     ` Bernard Blackham
     [not found]                                       ` <20050317011013.GD10545-4vSAtV5O1nc0n/F98K4Iww@public.gmane.org>
2005-03-17  3:57                                         ` Alan Stern
2005-03-16 21:09                             ` David Brownell
     [not found]                               ` <200503161309.34142.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2005-03-16 22:10                                 ` Alan Stern

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