From: Lorenzo Bianconi Date: Thu, 8 Jan 2026 15:05:08 +0000 (+0100) Subject: net: airoha: npu: Init BA memory region if provided via DTS X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=875a59c9a9e584d99d8e9e5aa8435ec9300bfe91;p=thirdparty%2Fkernel%2Flinux.git net: airoha: npu: Init BA memory region if provided via DTS Initialize NPU Block Ack memory region if reserved via DTS. Block Ack memory region is used by NPU MT7996 (Eagle) offloading. Signed-off-by: Lorenzo Bianconi Link: https://patch.msgid.link/20260108-airoha-ba-memory-region-v3-2-bf1814e5dcc4@kernel.org Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/ethernet/airoha/airoha_npu.c b/drivers/net/ethernet/airoha/airoha_npu.c index 22f72c1460659..a56b3780bb627 100644 --- a/drivers/net/ethernet/airoha/airoha_npu.c +++ b/drivers/net/ethernet/airoha/airoha_npu.c @@ -519,6 +519,14 @@ static int airoha_npu_wlan_init_memory(struct airoha_npu *npu) if (err) return err; + if (of_property_match_string(npu->dev->of_node, "memory-region-names", + "ba") >= 0) { + cmd = WLAN_FUNC_SET_WAIT_DRAM_BA_NODE_ADDR; + err = airoha_npu_wlan_set_reserved_memory(npu, 0, "ba", cmd); + if (err) + return err; + } + cmd = WLAN_FUNC_SET_WAIT_IS_FORCE_TO_CPU; return airoha_npu_wlan_msg_send(npu, 0, cmd, &val, sizeof(val), GFP_KERNEL);