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Tue, 9 Apr 2024 15:14:32 GMT Received: from hu-periyasa-blr.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Tue, 9 Apr 2024 08:14:30 -0700 From: Karthikeyan Periyasamy To: CC: , Karthikeyan Periyasamy , Jeff Johnson Subject: [PATCH v2 1/4] wifi: ath12k: avoid redundant code in Rx cookie conversion init Date: Tue, 9 Apr 2024 20:44:12 +0530 Message-ID: <20240409151415.1226109-2-quic_periyasa@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240409151415.1226109-1-quic_periyasa@quicinc.com> References: <20240409151415.1226109-1-quic_periyasa@quicinc.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: NBNlOK4Z2qqHcU1m5qDG597R8pKtsYKS X-Proofpoint-GUID: NBNlOK4Z2qqHcU1m5qDG597R8pKtsYKS X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-04-09_10,2024-04-09_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 adultscore=0 mlxlogscore=895 impostorscore=0 phishscore=0 clxscore=1015 lowpriorityscore=0 spamscore=0 mlxscore=0 bulkscore=0 priorityscore=1501 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2404090100 Currently, in the Rx data path cookie conversion initialization procedure, the primary page table index (ppt_idx) is computed within the secondary page table iteration. However this is invariant, and hence the ppt_idx should be calculated outside of the iteration to avoid repeated execution of the statement. Found in code review. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00188-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Karthikeyan Periyasamy Acked-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/dp.c b/drivers/net/wireless/ath/ath12k/dp.c index a0aa8c571867..796c757c0f58 100644 --- a/drivers/net/wireless/ath/ath12k/dp.c +++ b/drivers/net/wireless/ath/ath12k/dp.c @@ -1425,10 +1425,11 @@ static int ath12k_dp_cc_desc_init(struct ath12k_base *ab) } tx_spt_page = i + pool_id * ATH12K_TX_SPT_PAGES_PER_POOL; + ppt_idx = ATH12K_NUM_RX_SPT_PAGES + tx_spt_page; + dp->spt_info->txbaddr[tx_spt_page] = &tx_descs[0]; for (j = 0; j < ATH12K_MAX_SPT_ENTRIES; j++) { - ppt_idx = ATH12K_NUM_RX_SPT_PAGES + tx_spt_page; tx_descs[j].desc_id = ath12k_dp_cc_cookie_gen(ppt_idx, j); tx_descs[j].pool_id = pool_id; list_add_tail(&tx_descs[j].list,