From: Kalle Valo <kvalo@qca.qualcomm.com>
To: ath10k@lists.infradead.org
Cc: nbd@openwrt.org
Subject: Re: FAILED: patch "[PATCH] ath10k: fix DMA related firmware crashes on multiple devices" failed to apply to 4.2-stable tree
Date: Tue, 27 Oct 2015 09:55:04 +0200 [thread overview]
Message-ID: <87io5sycdj.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <144591193618264@kroah.com> (gregkh@linuxfoundation.org's message of "Tue, 27 Oct 2015 11:12:16 +0900")
Hi,
any volunteers to port this patch to 4.2? Should be simple to do but
important.
Kalle
<gregkh@linuxfoundation.org> writes:
> The patch below does not apply to the 4.2-stable tree.
> If someone wants it applied there, or to any other stable or longterm
> tree, then please email the backport, including the original git commit
> id to <stable@vger.kernel.org>.
>
> thanks,
>
> greg k-h
>
> ------------------ original commit in Linus's tree ------------------
>
> From 76d164f582150fd0259ec0fcbc485470bcd8033e Mon Sep 17 00:00:00 2001
> From: Felix Fietkau <nbd@openwrt.org>
> Date: Thu, 17 Sep 2015 14:29:07 +0300
> Subject: [PATCH] ath10k: fix DMA related firmware crashes on multiple devices
>
> Some platforms really don't like DMA bursts of 256 bytes, and this
> causes the firmware to crash when sending beacons.
> Also, changing this based on the firmware version does not seem to make
> much sense, so use 128 bytes for all versions.
>
> Cc: stable@vger.kernel.org
> Signed-off-by: Felix Fietkau <nbd@openwrt.org>
> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
>
> diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h
> index 23afcda2de96..678d72af4a9d 100644
> --- a/drivers/net/wireless/ath/ath10k/hw.h
> +++ b/drivers/net/wireless/ath/ath10k/hw.h
> @@ -337,7 +337,7 @@ enum ath10k_hw_rate_cck {
> #define TARGET_10X_MAX_FRAG_ENTRIES 0
>
> /* 10.2 parameters */
> -#define TARGET_10_2_DMA_BURST_SIZE 1
> +#define TARGET_10_2_DMA_BURST_SIZE 0
>
> /* Target specific defines for WMI-TLV firmware */
> #define TARGET_TLV_NUM_VDEVS 4
> @@ -391,7 +391,7 @@ enum ath10k_hw_rate_cck {
>
> #define TARGET_10_4_TX_DBG_LOG_SIZE 1024
> #define TARGET_10_4_NUM_WDS_ENTRIES 32
> -#define TARGET_10_4_DMA_BURST_SIZE 1
> +#define TARGET_10_4_DMA_BURST_SIZE 0
> #define TARGET_10_4_MAC_AGGR_DELIM 0
> #define TARGET_10_4_RX_SKIP_DEFRAG_TIMEOUT_DUP_DETECTION_CHECK 1
> #define TARGET_10_4_VOW_CONFIG 0
>
--
Kalle Valo
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prev parent reply other threads:[~2015-10-27 7:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-27 2:12 FAILED: patch "[PATCH] ath10k: fix DMA related firmware crashes on multiple devices" failed to apply to 4.2-stable tree gregkh
2015-10-27 7:55 ` Kalle Valo [this message]
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