From: Xinming Hu Date: Thu, 8 Mar 2018 05:54:02 +0000 (+0800) Subject: mwifiex: correct antenna number with high bits reserved X-Git-Tag: for-linus-20180413~64^2~101^2~3 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=eaab43e505d01ed19f63e08e52252cbc1c69b9b9;p=linux-block.git mwifiex: correct antenna number with high bits reserved High bits of antenna number are reserved in hardware spec, using low 4 bits represent supported antenna. Signed-off-by: Cathy Luo Signed-off-by: Xinming Hu Signed-off-by: Kalle Valo --- diff --git a/drivers/net/wireless/marvell/mwifiex/cmdevt.c b/drivers/net/wireless/marvell/mwifiex/cmdevt.c index 874660052055..7014f440e6f8 100644 --- a/drivers/net/wireless/marvell/mwifiex/cmdevt.c +++ b/drivers/net/wireless/marvell/mwifiex/cmdevt.c @@ -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;