ath11k: disable unused CE8 interrupts for ipq8074
authorP Praneesh <ppranees@codeaurora.org>
Fri, 12 Nov 2021 09:01:18 +0000 (11:01 +0200)
committerKalle Valo <kvalo@codeaurora.org>
Mon, 15 Nov 2021 09:21:49 +0000 (11:21 +0200)
Host driver doesn't need to process CE8 interrupts (used
by target independently)

The volume of interrupts is huge within short interval,
 CPU0           CPU1       CPU2       CPU3
14022188          0          0          0       GIC  71 Edge      ce8

Hence disabling unused CE8 interrupt will improve CPU usage.

Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.4.0.1.r2-00012-QCAHKSWPL_SILICONZ-1
Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.4.0.1-01695-QCAHKSWPL_SILICONZ-1

Co-developed-by: Sriram R <srirrama@codeaurora.org>
Signed-off-by: Sriram R <srirrama@codeaurora.org>
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
Signed-off-by: P Praneesh <ppranees@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1630560820-21905-2-git-send-email-ppranees@codeaurora.org
drivers/net/wireless/ath/ath11k/ce.c

index 4249c2e..3bc4242 100644 (file)
@@ -77,7 +77,7 @@ const struct ce_attr ath11k_host_ce_config_ipq8074[] = {
 
        /* CE8: target autonomous hif_memcpy */
        {
-               .flags = CE_ATTR_FLAGS,
+               .flags = CE_ATTR_FLAGS | CE_ATTR_DIS_INTR,
                .src_nentries = 0,
                .src_sz_max = 0,
                .dest_nentries = 0,