From: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
To: Felix Fietkau <nbd@openwrt.org>
Cc: <linux-wireless@vger.kernel.org>, <linville@tuxdriver.com>,
<rodrigue@qca.qualcomm.com>,
Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Subject: Re: [PATCH] ath9k: fix checks for first subframe delimiter padding
Date: Mon, 29 Aug 2011 16:34:28 +0530 [thread overview]
Message-ID: <20110829110427.GA29376@vasanth-laptop> (raw)
In-Reply-To: <1314615061-6354-1-git-send-email-nbd@openwrt.org>
On Mon, Aug 29, 2011 at 12:51:01PM +0200, Felix Fietkau wrote:
> The commit "ath9k_hw: Fix exceed transmission burst-time of 5GHz" added
> a padding of 60 delimiters on the first subframe to work around an issue
> on AR9380, but it lacked the checks to prevent it from being applied to
> pre-AR9380, enterprise AR9380 or AR9580+
>
> Signed-off-by: Felix Fietkau <nbd@openwrt.org>
> Cc: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
> ---
> drivers/net/wireless/ath/ath9k/reg.h | 1 +
> drivers/net/wireless/ath/ath9k/xmit.c | 4 +++-
> 2 files changed, 4 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
> index a3b8bbc..989514a 100644
> --- a/drivers/net/wireless/ath/ath9k/reg.h
> +++ b/drivers/net/wireless/ath/ath9k/reg.h
> @@ -1131,6 +1131,7 @@ enum {
> #define AR_INTR_PRIO_ASYNC_ENABLE (AR_SREV_9340(ah) ? 0x4094 : 0x40d4)
> #define AR_ENT_OTP 0x40d8
> #define AR_ENT_OTP_CHAIN2_DISABLE 0x00020000
> +#define AR_ENT_OTP_MIN_PKT_SIZE_DISABLE 0x00800000
> #define AR_ENT_OTP_MPSD 0x00800000
Looks like AR_ENT_OTP_MPSD was defined for this purpose,
unfortunately it so difficult to understand anything from this
macro. Can you also this redundant definition?
Vasanth
next prev parent reply other threads:[~2011-08-29 11:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-29 10:51 [PATCH] ath9k: fix checks for first subframe delimiter padding Felix Fietkau
2011-08-29 11:04 ` Vasanthakumar Thiagarajan [this message]
2011-08-29 11:11 ` Vasanthakumar Thiagarajan
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