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authorMiaoqing Pan <quic_miaoqing@quicinc.com>2024-08-13 09:30:27 +0800
committerJeff Johnson <jeff.johnson@oss.qualcomm.com>2025-02-18 09:53:34 -0800
commit9ee2578c343a2c8b6cf6c43f2f385cdb56a25250 (patch)
tree49974203e6743d463cc0df4e9f2fbbdeed5a6e1e
parent7b19d5adadfef791d52fd0412a75ebb8f9f27a6b (diff)
wifi: ath11k: use union for vaddr and iaddr in target_mem_chunk
The value of 'ab->hw_params.fixed_mem_region' determines that only one variable 'vaddr' or 'iaddr' is used in target_mem_chunk. So use an anonymous union instead, easy to check whether the memory is set or not. Tested-on: WCN6855 hw2.1 PCI WLAN.HSP.1.1-04358-QCAHSPSWPL_V1_V2_SILICONZ_LITE-1 Signed-off-by: Miaoqing Pan <quic_miaoqing@quicinc.com> Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com> Link: https://patch.msgid.link/20240813013028.2708111-1-quic_miaoqing@quicinc.com Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
-rw-r--r--drivers/net/wireless/ath/ath11k/qmi.c17
-rw-r--r--drivers/net/wireless/ath/ath11k/qmi.h9
2 files changed, 16 insertions, 10 deletions
diff --git a/drivers/net/wireless/ath/ath11k/qmi.c b/drivers/net/wireless/ath/ath11k/qmi.c
index 5759fc521316..4f8b08ed1bbc 100644
--- a/drivers/net/wireless/ath/ath11k/qmi.c
+++ b/drivers/net/wireless/ath/ath11k/qmi.c
@@ -1957,13 +1957,15 @@ static void ath11k_qmi_free_target_mem_chunk(struct ath11k_base *ab)
int i;
for (i = 0; i < ab->qmi.mem_seg_count; i++) {
- if ((ab->hw_params.fixed_mem_region ||
- test_bit(ATH11K_FLAG_FIXED_MEM_RGN, &ab->dev_flags)) &&
- ab->qmi.target_mem[i].iaddr)
- iounmap(ab->qmi.target_mem[i].iaddr);
+ if (!ab->qmi.target_mem[i].anyaddr)
+ continue;
- if (!ab->qmi.target_mem[i].vaddr)
+ if (ab->hw_params.fixed_mem_region ||
+ test_bit(ATH11K_FLAG_FIXED_MEM_RGN, &ab->dev_flags)) {
+ iounmap(ab->qmi.target_mem[i].iaddr);
+ ab->qmi.target_mem[i].iaddr = NULL;
continue;
+ }
dma_free_coherent(ab->dev,
ab->qmi.target_mem[i].prev_size,
@@ -2070,7 +2072,7 @@ static int ath11k_qmi_assign_target_mem_chunk(struct ath11k_base *ab)
break;
case BDF_MEM_REGION_TYPE:
ab->qmi.target_mem[idx].paddr = ab->hw_params.bdf_addr;
- ab->qmi.target_mem[idx].vaddr = NULL;
+ ab->qmi.target_mem[idx].iaddr = NULL;
ab->qmi.target_mem[idx].size = ab->qmi.target_mem[i].size;
ab->qmi.target_mem[idx].type = ab->qmi.target_mem[i].type;
idx++;
@@ -2093,10 +2095,11 @@ static int ath11k_qmi_assign_target_mem_chunk(struct ath11k_base *ab)
} else {
ab->qmi.target_mem[idx].paddr =
ATH11K_QMI_CALDB_ADDRESS;
+ ab->qmi.target_mem[idx].iaddr = NULL;
}
} else {
ab->qmi.target_mem[idx].paddr = 0;
- ab->qmi.target_mem[idx].vaddr = NULL;
+ ab->qmi.target_mem[idx].iaddr = NULL;
}
ab->qmi.target_mem[idx].size = ab->qmi.target_mem[i].size;
ab->qmi.target_mem[idx].type = ab->qmi.target_mem[i].type;
diff --git a/drivers/net/wireless/ath/ath11k/qmi.h b/drivers/net/wireless/ath/ath11k/qmi.h
index 7e06d100af57..fdf9b5f8c19f 100644
--- a/drivers/net/wireless/ath/ath11k/qmi.h
+++ b/drivers/net/wireless/ath/ath11k/qmi.h
@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: BSD-3-Clause-Clear */
/*
* Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#ifndef ATH11K_QMI_H
@@ -102,8 +102,11 @@ struct target_mem_chunk {
u32 prev_size;
u32 prev_type;
dma_addr_t paddr;
- u32 *vaddr;
- void __iomem *iaddr;
+ union {
+ u32 *vaddr;
+ void __iomem *iaddr;
+ void *anyaddr;
+ };
};
struct target_info {