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ath10k: limit available channels via DT ieee80211-freq-limit

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[ Upstream commit 34d5629d2c ]

Tri-band devices (1x 2.4GHz + 2x 5GHz) often incorporate special filters in
the RX and TX path. These filtered channel can in theory still be used by
the hardware but the signal strength is reduced so much that it makes no
sense.

There is already a DT property to limit the available channels but ath10k
has to manually call this functionality to limit the currrently set wiphy
channels further.

Signed-off-by: Sven Eckelmann <sven.eckelmann@openmesh.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sven Eckelmann
2018-08-24 15:04:59 +03:00
committed by Greg Kroah-Hartman
parent 8cad5d80f8
commit f71230e689
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/ath/ath10k/mac.c
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@@ -18,6 +18,7 @@
#include "mac.h"
#include <net/cfg80211.h>
#include <net/mac80211.h>
#include <linux/etherdevice.h>
#include <linux/acpi.h>
@@ -8363,6 +8364,7 @@ int ath10k_mac_register(struct ath10k *ar)
ar->hw->wiphy->bands[NL80211_BAND_5GHZ] = band;
}
wiphy_read_of_freq_limits(ar->hw->wiphy);
ath10k_mac_setup_ht_vht_cap(ar);
ar->hw->wiphy->interface_modes =