From: Vasanthakumar Thiagarajan <vasanth@atheros.com>
To: ath9k-devel@lists.ath9k.org
Subject: [ath9k-devel] [PATCH 2/2] ath9k_hw: Fix AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB and its shift value in 0x4054
Date: Mon, 16 Nov 2009 12:50:07 +0530 [thread overview]
Message-ID: <20091116072004.GC27858@vasanth-laptop> (raw)
In-Reply-To: <20091113171438.GD3865@tux>
On Fri, Nov 13, 2009 at 10:44:38PM +0530, Luis Rodriguez wrote:
> On Fri, Nov 13, 2009 at 01:02:40AM -0800, Vasanth Thiagarajan wrote:
> > The bit value of AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB is wrong, it should
> > be 0x400 and the number of bits to be right shifted is 10. Having this
> > wrong value in 0x4054 sometimes affects bt quality on btcoex environment.
> >
> > Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
>
> These both seem small enough and reasonable for stable fixes no?
yeah, I'll resend them CC'ing stable.
> Although I didn't get the impact of the first one..
debruijn32 (0x077CB531UL) is used to find the index of the geric timer
which generated the interrupt. On a 64-bit environment, 0x077CB531UL
will result in indexing more than 32 in gen_timer_index[] which has
memory allocated only for 32 u32.
Vasanth
WARNING: multiple messages have this Message-ID (diff)
From: Vasanthakumar Thiagarajan <vasanth@atheros.com>
To: Luis Rodriguez <Luis.Rodriguez@Atheros.com>
Cc: Vasanth Thiagarajan <Vasanth.Thiagarajan@Atheros.com>,
"linville@tuxdriver.com" <linville@tuxdriver.com>,
"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
Jouni Malinen <Jouni.Malinen@Atheros.com>,
"ath9k-devel@lists.ath9k.org" <ath9k-devel@lists.ath9k.org>
Subject: Re: [PATCH 2/2] ath9k_hw: Fix AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB and its shift value in 0x4054
Date: Mon, 16 Nov 2009 12:50:07 +0530 [thread overview]
Message-ID: <20091116072004.GC27858@vasanth-laptop> (raw)
In-Reply-To: <20091113171438.GD3865@tux>
On Fri, Nov 13, 2009 at 10:44:38PM +0530, Luis Rodriguez wrote:
> On Fri, Nov 13, 2009 at 01:02:40AM -0800, Vasanth Thiagarajan wrote:
> > The bit value of AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB is wrong, it should
> > be 0x400 and the number of bits to be right shifted is 10. Having this
> > wrong value in 0x4054 sometimes affects bt quality on btcoex environment.
> >
> > Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
>
> These both seem small enough and reasonable for stable fixes no?
yeah, I'll resend them CC'ing stable.
> Although I didn't get the impact of the first one..
debruijn32 (0x077CB531UL) is used to find the index of the geric timer
which generated the interrupt. On a 64-bit environment, 0x077CB531UL
will result in indexing more than 32 in gen_timer_index[] which has
memory allocated only for 32 u32.
Vasanth
next prev parent reply other threads:[~2009-11-16 7:20 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-13 9:02 [ath9k-devel] [PATCH 1/2] ath9k_hw: Fix possible OOB array indexing in gen_timer_index[] on 64-bit Vasanthakumar Thiagarajan
2009-11-13 9:02 ` Vasanthakumar Thiagarajan
2009-11-13 9:02 ` [ath9k-devel] [PATCH 2/2] ath9k_hw: Fix AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB and its shift value in 0x4054 Vasanthakumar Thiagarajan
2009-11-13 9:02 ` Vasanthakumar Thiagarajan
2009-11-13 17:14 ` [ath9k-devel] " Luis R. Rodriguez
2009-11-13 17:14 ` Luis R. Rodriguez
2009-11-16 7:20 ` Vasanthakumar Thiagarajan [this message]
2009-11-16 7:20 ` Vasanthakumar Thiagarajan
2009-11-16 15:36 ` [ath9k-devel] " Luis R. Rodriguez
2009-11-16 15:36 ` Luis R. Rodriguez
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