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mwifiex: correct antenna number with high bits reserved

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High bits of antenna number are reserved in hardware spec,
using low 4 bits represent supported antenna.

Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Xinming Hu 2018-03-08 13:54:02 +08:00 committed by Kalle Valo
parent a6cf02e648
commit eaab43e505
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/marvell/mwifiex/cmdevt.c
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@ -1529,7 +1529,8 @@ int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv,
adapter->fw_release_number = le32_to_cpu(hw_spec->fw_release_number);
adapter->fw_api_ver = (adapter->fw_release_number >> 16) & 0xff;
adapter->number_of_antenna = le16_to_cpu(hw_spec->number_of_antenna);
adapter->number_of_antenna =
le16_to_cpu(hw_spec->number_of_antenna) & 0xf;
if (le32_to_cpu(hw_spec->dot_11ac_dev_cap)) {
adapter->is_hw_11ac_capable = true;