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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Michal Kazior <michal.kazior@tieto.com>,
        Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>,
        Kalle Valo <kvalo@qca.qualcomm.com>,
        Sasha Levin <alexander.levin@microsoft.com>
Subject: [PATCH 4.9 159/241] ath10k: fix compile time sanity check for CE4 buffer size
Date:   Mon, 19 Mar 2018 19:07:04 +0100
Message-Id: <20180319180757.744894218@linuxfoundation.org>
In-Reply-To: <20180319180751.172155436@linuxfoundation.org>
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4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>


[ Upstream commit 62ca0690cd495bb7c1414cdf0cf790c2922a1d79 ]

In 'ath10k_ce_alloc_pipe' the compile time sanity check to
ensure that there is sufficient buffers in CE4 for HTT Tx
MSDU descriptors, but this did not take into account of the
case with 'peer flow control' enabled, fix this.

Cc: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/wireless/ath/ath10k/ce.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/wireless/ath/ath10k/ce.c
+++ b/drivers/net/wireless/ath/ath10k/ce.c
@@ -1059,7 +1059,7 @@ int ath10k_ce_alloc_pipe(struct ath10k *
 	 */
 	BUILD_BUG_ON(2 * TARGET_NUM_MSDU_DESC >
 		     (CE_HTT_H2T_MSG_SRC_NENTRIES - 1));
-	BUILD_BUG_ON(2 * TARGET_10X_NUM_MSDU_DESC >
+	BUILD_BUG_ON(2 * TARGET_10_4_NUM_MSDU_DESC_PFC >
 		     (CE_HTT_H2T_MSG_SRC_NENTRIES - 1));
 	BUILD_BUG_ON(2 * TARGET_TLV_NUM_MSDU_DESC >
 		     (CE_HTT_H2T_MSG_SRC_NENTRIES - 1));