netdev - Re: [PATCH] bcm43xx: Fix for oops on resume

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Message-ID: <45C9D930.5010307@lwfinger.net>
Date:	Wed, 07 Feb 2007 07:50:40 -0600
From:	Larry Finger <larry.finger@...inger.net>
To:	Johannes Berg <johannes@...solutions.net>
CC:	Michael Buesch <mb@...sch.de>, netdev@...r.kernel.org,
	Bcm43xx-dev@...ts.berlios.de, linux-wireless@...r.kernel.org
Subject: Re: [PATCH] bcm43xx: Fix for oops on resume

Johannes Berg wrote:
> On Wed, 2007-02-07 at 07:23 -0600, Larry Finger wrote:
> 
>> As you suggested earlier, a slow clock setting in the bcm43xx device may be the cause of this
>> difficulty. If my laptop would suspend/resume correctly, then I could test various fixes based on
>> that hypothesis. 
> 
> Mine does suspend, but I don't see the problem...

Could you please apply this patch and tell me what gets printed after you resume, and whether you
did a suspend to RAM or disk?

I welcome the results of this test from anyone whose system will suspend/resume. Please also note if
any further action is needed to get wireless communication re-established.

Thanks,

Larry


==========

Index: linux-2.6/drivers/net/wireless/bcm43xx/bcm43xx_main.c
===================================================================
--- linux-2.6.orig/drivers/net/wireless/bcm43xx/bcm43xx_main.c
+++ linux-2.6/drivers/net/wireless/bcm43xx/bcm43xx_main.c
@@ -2401,6 +2401,7 @@ static int bcm43xx_chip_init(struct bcm4
 		}
 		udelay(10);
 	}
+	dprintk(KERN_INFO PFX "It took %d tries to set IRQ_READY\n", i);
 	bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */

 	value16 = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,

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