wlan-ap-Telecominfraproject/feeds/wifi-ax/mac80211/patches/qca/235-ath11k-add-mod-param-support-to-skip-radio.patch
John Crispin 43d7ca31d6 wifi-ax/mac80211: make the 11.4 ath11k work inside the v5.4 kernel
Fixes: WIFI-7570
Signed-off-by: John Crispin <john@phrozen.org>
2022-05-27 10:05:52 +02:00

117 lines
3.4 KiB
Diff

From 094d6e53e9c654144d1fba484965fc63c9493282 Mon Sep 17 00:00:00 2001
From: Sowmiya Sree Elavalagan <ssreeela@codeaurora.org>
Date: Mon, 18 Jan 2021 13:11:29 +0530
Subject: [PATCH] ath11k:add mod param support to skip radio during boot
Added a module param which skip qcn6122-5G or 6G or both
during device boot up. This will boot only unskipped radios.
Signed-off-by: Sowmiya Sree Elavalagan <ssreeela@codeaurora.org>
---
drivers/net/wireless/ath/ath11k/ahb.c | 27 +++++++++++++++++++++++++--
drivers/net/wireless/ath/ath11k/ahb.h | 2 ++
drivers/net/wireless/ath/ath11k/core.c | 4 ++++
3 files changed, 31 insertions(+), 2 deletions(-)
--- a/drivers/net/wireless/ath/ath11k/ahb.c
+++ b/drivers/net/wireless/ath/ath11k/ahb.c
@@ -813,6 +813,22 @@ static int ath11k_core_get_rproc(struct
return 0;
}
+static bool ath11k_skip_target_probe(int userpd_id, const struct of_device_id *of_id)
+{
+ int hw_rev = (enum ath11k_hw_rev)of_id->data;
+
+ if (ath11k_skip_radio & SKIP_QCN6122_0) {
+ if (hw_rev == ATH11K_HW_QCN6122 &&
+ userpd_id == QCN6122_USERPD_0)
+ return true;
+ } else if (ath11k_skip_radio & SKIP_QCN6122_1) {
+ if (hw_rev == ATH11K_HW_QCN6122 &&
+ userpd_id == QCN6122_USERPD_1)
+ return true;
+ }
+ return false;
+}
+
static int ath11k_ahb_probe(struct platform_device *pdev)
{
struct ath11k_base *ab;
@@ -820,7 +836,7 @@ static int ath11k_ahb_probe(struct platf
const struct of_device_id *of_id;
struct resource *mem_res;
void __iomem *mem;
- int ret;
+ int ret = 0;
int userpd_id;
u32 hw_mode_id;
@@ -831,6 +847,9 @@ static int ath11k_ahb_probe(struct platf
}
userpd_id = ath11k_get_userpd_id(dev);
+ if (ath11k_skip_target_probe(userpd_id, of_id))
+ goto end;
+
ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
if (ret) {
dev_err(&pdev->dev, "failed to set 32-bit consistent dma\n");
@@ -942,8 +961,8 @@ err_hal_srng_deinit:
err_core_free:
ath11k_core_free(ab);
+end:
platform_set_drvdata(pdev, NULL);
-
return ret;
}
@@ -952,6 +971,9 @@ static int ath11k_ahb_remove(struct plat
struct ath11k_base *ab = platform_get_drvdata(pdev);
unsigned long left;
+ if (!ab)
+ return 0;
+
if (test_bit(ATH11K_FLAG_QMI_FAIL, &ab->dev_flags)) {
ath11k_ahb_power_down(ab);
ath11k_debugfs_soc_destroy(ab);
--- a/drivers/net/wireless/ath/ath11k/ahb.h
+++ b/drivers/net/wireless/ath/ath11k/ahb.h
@@ -8,6 +8,8 @@
#include "core.h"
#define ATH11K_AHB_RECOVERY_TIMEOUT (3 * HZ)
+#define SKIP_QCN6122_0 0x2
+#define SKIP_QCN6122_1 0x4
struct ath11k_base;
struct ath11k_ahb {
--- a/drivers/net/wireless/ath/ath11k/core.c
+++ b/drivers/net/wireless/ath/ath11k/core.c
@@ -46,6 +46,12 @@ unsigned int ath11k_ftm_mode;
module_param_named(ftm_mode, ath11k_ftm_mode, uint, 0644);
MODULE_PARM_DESC(ftm_mode, "Boots up in factory test mode");
+module_param_named(skip_radio_bmap, ath11k_skip_radio, uint, 0644);
+MODULE_PARM_DESC(skip_radio_bmap, "Bitmap to skip device probe");
+unsigned int ath11k_skip_radio;
+EXPORT_SYMBOL(ath11k_skip_radio);
+
+
struct ath11k_base *ath11k_soc;
static const struct ath11k_hw_params ath11k_hw_params[] = {
--- a/drivers/net/wireless/ath/ath11k/core.h
+++ b/drivers/net/wireless/ath/ath11k/core.h
@@ -28,6 +28,8 @@
#include "rx_desc.h"
#include "nss.h"
+extern unsigned int ath11k_skip_radio;
+
#define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK)
#define ATH11K_TX_MGMT_NUM_PENDING_MAX 512