linux-kernel - Re: [PATCH] fix iwlwifi on old cards in v4.19 was Re: 4.19-rc[23] iwlwifi: BUG in swiotlb

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Message-ID: <23940459-3a95-7ccb-6ad0-dfa0790910d1@infradead.org>
Date:   Sun, 16 Sep 2018 15:27:29 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Pavel Machek <pavel@....cz>,
        Johannes Berg <johannes@...solutions.net>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        linux-wireless <linux-wireless@...r.kernel.org>,
        linuxwifi@...el.com
Subject: Re: [PATCH] fix iwlwifi on old cards in v4.19 was Re: 4.19-rc[23]
 iwlwifi: BUG in swiotlb

On 9/16/18 2:59 AM, Pavel Machek wrote:
> 
> .max_tfd_queue_size was ommited for old cards, leading to oops in
> swiotlb.
> 
> Signed-off-by: Pavel Machek <pavel@....cz>
> 

Hi,
Thanks.  Works for me.

Tested-by: Randy Dunlap <rdunlap@...radead.org>
Acked-by: Randy Dunlap <rdunlap@...radead.org>


PS:  I started the b-word yesterday but my old laptop is slow...


> --- linux/drivers/net/wireless/intel/iwlwifi/cfg/1000.c	2018-09-05 13:12:40.453164067 +0200
> +++ linux-64/drivers/net/wireless/intel/iwlwifi/cfg/1000.c	2018-09-16 11:54:04.010970756 +0200
> @@ -51,6 +51,7 @@
>  
>  static const struct iwl_base_params iwl1000_base_params = {
>  	.num_of_queues = IWLAGN_NUM_QUEUES,
> +	.max_tfd_queue_size = 256,
>  	.eeprom_size = OTP_LOW_IMAGE_SIZE,
>  	.pll_cfg = true,
>  	.max_ll_items = OTP_MAX_LL_ITEMS_1000,
> 
> 


-- 
~Randy