2014-11-24 14:16:57

by Michal Kazior

[permalink] [raw]
Subject: [PATCH] ath10k: remove extra_tx_headroom

Comment was out-of-date. The headroom is no longer
necessary because HTT Tx fragment list is stored
in dma pool item associated with each sk_buff.

Signed-off-by: Michal Kazior <[email protected]>
---
drivers/net/wireless/ath/ath10k/mac.c | 4 ----
1 file changed, 4 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 1245ac8..5bb9f83 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -4905,10 +4905,6 @@ int ath10k_mac_register(struct ath10k *ar)
IEEE80211_HW_AP_LINK_PS |
IEEE80211_HW_SPECTRUM_MGMT;

- /* MSDU can have HTT TX fragment pushed in front. The additional 4
- * bytes is used for padding/alignment if necessary. */
- ar->hw->extra_tx_headroom += sizeof(struct htt_data_tx_desc_frag)*2 + 4;
-
ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS;

if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS)
--
1.8.5.3



2014-11-26 06:28:38

by Kalle Valo

[permalink] [raw]
Subject: Re: [PATCH] ath10k: remove extra_tx_headroom

Michal Kazior <[email protected]> writes:

> Comment was out-of-date. The headroom is no longer
> necessary because HTT Tx fragment list is stored
> in dma pool item associated with each sk_buff.
>
> Signed-off-by: Michal Kazior <[email protected]>

Thanks, applied.

--
Kalle Valo