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net: wireless: rockchip_wlan: bcmdhd: build SDIO and PCIe as two modules - #529

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net: wireless: rockchip_wlan: bcmdhd: build SDIO and PCIe as two modules#529
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net: wireless: rockchip_wlan: bcmdhd: build SDIO and PCIe as two modules

BCMDHD_SDIO and BCMDHD_PCIE were mutually exclusive members of a Kconfig
choice, so a single kernel could only ever serve one kind of Broadcom
wireless board. That is not policy but a property of the driver: dhd_sdio.c
and dhd_pcie.c both define the same abstract bus API declared in dhd_bus.h
(dhd_bus_register(), dhd_bus_init(), dhd_prot_attach() and 56 more), each
defines its own incompatible struct dhd_bus, and the bus is picked by -D
flags that reach into every shared file. PCIE_FULL_DONGLE alone changes the
dhd_pub_t layout and the TX path in dhd_linux.c.

So one module cannot serve both buses without rewriting the bus layer. Two
modules can, and no board carries both a PCIe and an SDIO Broadcom part, so
that is enough to let one kernel and one .config cover both.

Compile the shared sources once per bus into a per-bus object directory.
Each directory pins CONFIG_BCMDHD_{SDIO,PCIE,USB} locally, includes the
existing bcmdhd Makefile to derive its own flag and object set, and supplies
a pattern rule that builds ../bcmdhd/%.c into its own %.o so the two flag
sets cannot collide. bcmdhd/ itself is no longer built directly, and only
needs BCMDHD_ROOT made overridable so the include path still resolves.

When both back-ends are selected, turn on the vendor's existing
CONFIG_BCMDHD_MULTIPLE_DRIVER, which names the modules dhdsdio.ko and
dhdpcie.ko and gives each a distinct log prefix and sysfs name. A config
that selects one bus is left completely alone: it still produces bcmdhd.ko
with BUS_TYPE="" and no BCMDHD_MDRIVER, and can still be built in.

Building both requires modules, since two copies of those 59 symbols cannot
be linked into vmlinux, so cap AP6XXX at m in that case. BCMDHD_SDIO keeps
the choice's old default via "default y if !BCMDHD_PCIE", so configs that
selected neither, such as rockchip_linux_defconfig, still get SDIO.

Verified by cross-building arm64 with rockchip_linux_defconfig: the dual-bus
config yields dhdsdio.ko and dhdpcie.ko with no flag bleed between them and
no exported symbols in either, so both can be loaded at once; the PCI and
SDIO module aliases land in the right module for udev. rk3576_aibox,
rk3588_linux, rk3588_ipc_linux and rk3588_edge all resolve and build exactly
as before. Not yet tested on hardware.

Assisted-by: Claude Opus 5 noreply@anthropic.com

BCMDHD_SDIO and BCMDHD_PCIE were mutually exclusive members of a Kconfig
choice, so a single kernel could only ever serve one kind of Broadcom
wireless board. That is not policy but a property of the driver: dhd_sdio.c
and dhd_pcie.c both define the same abstract bus API declared in dhd_bus.h
(dhd_bus_register(), dhd_bus_init(), dhd_prot_attach() and 56 more), each
defines its own incompatible struct dhd_bus, and the bus is picked by -D
flags that reach into every shared file. PCIE_FULL_DONGLE alone changes the
dhd_pub_t layout and the TX path in dhd_linux.c.

So one module cannot serve both buses without rewriting the bus layer. Two
modules can, and no board carries both a PCIe and an SDIO Broadcom part, so
that is enough to let one kernel and one .config cover both.

Compile the shared sources once per bus into a per-bus object directory.
Each directory pins CONFIG_BCMDHD_{SDIO,PCIE,USB} locally, includes the
existing bcmdhd Makefile to derive its own flag and object set, and supplies
a pattern rule that builds ../bcmdhd/%.c into its own %.o so the two flag
sets cannot collide. bcmdhd/ itself is no longer built directly, and only
needs BCMDHD_ROOT made overridable so the include path still resolves.

When both back-ends are selected, turn on the vendor's existing
CONFIG_BCMDHD_MULTIPLE_DRIVER, which names the modules dhdsdio.ko and
dhdpcie.ko and gives each a distinct log prefix and sysfs name. A config
that selects one bus is left completely alone: it still produces bcmdhd.ko
with BUS_TYPE="" and no BCMDHD_MDRIVER, and can still be built in.

Building both requires modules, since two copies of those 59 symbols cannot
be linked into vmlinux, so cap AP6XXX at m in that case. BCMDHD_SDIO keeps
the choice's old default via "default y if !BCMDHD_PCIE", so configs that
selected neither, such as rockchip_linux_defconfig, still get SDIO.

Verified by cross-building arm64 with rockchip_linux_defconfig: the dual-bus
config yields dhdsdio.ko and dhdpcie.ko with no flag bleed between them and
no exported symbols in either, so both can be loaded at once; the PCI and
SDIO module aliases land in the right module for udev. rk3576_aibox,
rk3588_linux, rk3588_ipc_linux and rk3588_edge all resolve and build exactly
as before. Not yet tested on hardware.

Assisted-by: Claude Opus 5 <noreply@anthropic.com>
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@rpardini

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Claude lies:

Verified by cross-building arm64 with rockchip_linux_defconfig: the dual-bus
config yields dhdsdio.ko and dhdpcie.ko with no flag bleed between them and
no exported symbols in either, so both can be loaded at once; the PCI and
SDIO module aliases land in the right module for udev. rk3576_aibox,
rk3588_linux, rk3588_ipc_linux and rk3588_edge all resolve and build exactly
as before. Not yet tested on hardware.

No, it never happened (it never built anything).

@EvilOlaf

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It tries its best to make itself look better no matter what lol

@MichaIng

MichaIng commented Aug 25, 2026

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This works well. The two variants are compiled as dedicated drivers as expected:

root@OrangePi5Ultra:~# l /lib/modules/6.1.172-vendor-rk35xx/kernel/drivers/net/wireless/rockchip_wlan/rkwifi/
total 8.0K
drwxr-xr-x 2 root root 4.0K Aug 25 17:48 bcmdhd_pcie
drwxr-xr-x 2 root root 4.0K Aug 25 17:48 bcmdhd_sdio

The SDIO and PCIe subsystems do their thing to detect the device and load the correct variant. The driver is very verbose, but for now that is a good thing:

dmesg output
root@OrangePi5Ultra:~# dmesg | grep -Ei 'sdio|mmc2|dhd'
[    6.053770] mmc_host mmc2: card is non-removable.
[    6.270235] mmc_host mmc2: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0)
[    6.397557] mmc_host mmc2: Bus speed (slot 0) = 150000000Hz (slot req 150000000Hz, actual 150000000HZ div = 0)
[    6.669826] mmc2: new ultra high speed SDR104 SDIO card at address 0001
[    8.284652] [dhd-sdio] _dhd_module_init: in Dongle Host Driver, version 101.10.591.52.27 (20240409-1)(20240411-2)(d83d8d7)
               drivers/net/wireless/rockchip_wlan/rkwifi/bcmdhd_sdio/../bcmdhd compiled on Aug 18 2026 at 15:52:04
[    8.284682] [dhd] STATIC-MSG) dhd_static_buf_init : 101.10.361.36 (wlan=r892223-20231107-1)
[    8.284743] [dhd] STATIC-MSG) dhd_init_wlan_mem : prealloc ok for index 0: 1102848(1077K)
[    8.284776] [dhd-sdio] dhd_wlan_init_gpio: WL_HOST_WAKE=-1, oob_irq=154, oob_irq_flags=0x4
[    8.284779] [dhd-sdio] dhd_wlan_init_gpio: WL_REG_ON=-1
[    8.284781] [dhd-sdio] dhd_wifi_platform_load: Enter
[    8.284783] [dhd-sdio] Power-up adapter 'DHD generic adapter'
[    8.284874] [dhd-sdio] dummy_probe: func->num=0x1;
[    8.284877] [dhd-sdio] dummy_probe: class=0xff; vendor=0x6cb; device=0xaabf
[    8.284937] [dhd-sdio] dummy_probe: func->num=0x2;
[    8.284939] [dhd-sdio] dummy_probe: class=0xff; vendor=0x6cb; device=0xaabf
[    8.284978] [dhd-sdio] dummy_probe: func->num=0x3;
[    8.284980] [dhd-sdio] dummy_probe: class=0xff; vendor=0x6cb; device=0xaabf
[    8.284994] [dhd-sdio] wifi_platform_set_power = 1, delay: 200 msec
[    8.284997] [dhd-sdio] ======== PULL WL_REG_ON(-1) HIGH! ========
[    8.597124] [dhd-sdio] wifi_platform_set_power = 1, sleep done: 200 msec
[    8.597153] [dhd-sdio] wifi_platform_bus_enumerate device present 1
[    8.597164] [dhd-sdio] ======== Card detection to detect SDIO card! ========
[    8.613615] [dhd-sdio] bcmsdh_register: register client driver
[    8.614110] [dhd-sdio] bcmsdh_sdmmc_probe: Enter num=1
[    8.614363] [dhd-sdio] bcmsdh_sdmmc_probe: Enter num=2
[    8.614376] [dhd-sdio] bus num (host idx)=2, slot num (rca)=1, caps=0x4008010d
[    8.614389] [dhd-sdio] found adapter info 'DHD generic adapter'
[    8.614403] [dhd] STATIC-MSG) dhd_wlan_mem_prealloc : section 3, size 139264
[    8.614477] [dhd-sdio] succeed to alloc static buf
[    8.614485] [dhd] STATIC-MSG) dhd_wlan_mem_prealloc : section 4, size 0
[    8.614822] [dhd-sdio] sdioh_attach: set sd_f2_blocksize 256
[    8.615123] [dhd-sdio] sdioh_attach: sd clock rate = 150000000
[    8.615812] [dhd-sdio] dhdsdio_probe : no mutex held
[    8.615824] [dhd-sdio] dhdsdio_probe : set mutex lock
[    8.616002] [dhd-sdio] F1 signature read @0x18000000=0x1040aabf
[    8.623586] [dhd-sdio] F1 signature OK, socitype:0x1 chip:0xaabf rev:0x0 pkg:0x4
[    8.624884] [dhd-sdio] DHD: dongle ram size is set to 1310720(orig 1310720) at 0x170000
[    8.624957] [dhd] STATIC-MSG) dhd_wlan_mem_prealloc : section 7, size 42288
[    8.625004] [dhd-sdio] dhd_conf_set_chiprev : devid=0xaabf, chip=0xaabf, chiprev=0
[    8.625081] [dhd] STATIC-MSG) dhd_wlan_mem_prealloc : section 0, size 10320
[    8.625134] [dhd-sdio] dhd_ioctl_entry_local invalid parameter net 0000000000000000 dev_priv 0000000020daeb61
[    8.625145] [dhd-sdio] CFG80211-ERROR) wl_is_fils_supported : FILS NOT supported, err -22
[    8.625704] [dhd] STATIC-MSG) dhd_wlan_mem_prealloc : section 5, size 65536
[    8.626195] [dhd-sdio] CFG80211-ERROR) wl_is_fils_supported : FILS NOT supported, err -19
[    8.626328] [dhd] STATIC-MSG) dhd_wlan_mem_prealloc : section 19, size 65688
[    8.626605] [dhd-sdio] dhd_attach(): thread:dhd_watchdog_thread:1f0 started
[    8.626878] [dhd-sdio] dhd_attach(): thread:dhd_dpc:1f1 started
[    8.626913] [dhd-sdio] dhd_dpc_thread: set dhd_dpc_prio 98
[    8.627314] [dhd-sdio] dhd_attach(): thread:dhd_rxf:1f2 started
[    8.627333] [dhd-sdio] dhd_deferred_work_init: work queue initialized
[    8.627342] [dhd-sdio] dhd_tcpack_suppress_set: TCP ACK Suppress mode 0 -> mode 2
[    8.627349] [dhd-sdio] dhd_tcpack_suppress_set: TCPACK_INFO_MAXNUM=40, TCPDATA_INFO_MAXNUM=40
[    8.627440] [dhd-sdio] sdioh_cis_read: func_cis_ptr[0]=0x10ac
[    8.631935] [dhd] STATIC-MSG) dhd_wlan_mem_prealloc : section 1, size 10300
[    8.631964] [dhd] STATIC-MSG) dhd_wlan_mem_prealloc : section 2, size 65536
[    8.632011] [dhd-sdio] dhdsdio_probe_init: making DHD_BUS_DOWN
[    8.632125] [dhd-sdio] Dongle Host Driver, version 101.10.591.52.27 (20240409-1)(20240411-2)(d83d8d7)
               drivers/net/wireless/rockchip_wlan/rkwifi/bcmdhd_sdio/../bcmdhd compiled on Aug 18 2026 at 15:52:04
[    8.632805] [dhd-sdio] Register interface [wlan0]  MAC: c0:f5:35:ed:fd:c5
[    8.632955] [dhd-sdio] [wlan0] wl_android_wifi_off :  g_wifi_on=1 force_off=1
[    8.632965] [dhd-sdio] dhd_bus_devreset: == Power OFF ==
[    8.633077] [dhd-sdio] dhd_bus_stop: making DHD_BUS_DOWN
[    8.633099] [dhd-sdio] bcmsdh_oob_intr_unregister: Enter
[    8.633105] [dhd-sdio] bcmsdh_oob_intr_unregister: irq is not registered
[    8.633115] [dhd-sdio] dhd_bus_devreset: making dhdpub up FALSE
[    8.633120] [dhd-sdio] dhd_txglom_enable: enable 0
[    8.633126] [dhd-sdio] dhd_bus_devreset: making DHD_BUS_DOWN
[    8.633148] [dhd-sdio] wifi_platform_set_power = 0, delay: 10 msec
[    8.633156] [dhd-sdio] ======== PULL WL_REG_ON(-1) LOW! ========
[    8.745983] [dhd-sdio] CFG80211-ERROR) wl_cfg80211_netdev_notifier_call : wrong cfg ptr (000000002575301a)
[    8.746582] [dhd-sdio] CFG80211-ERROR) wl_cfg80211_netdev_notifier_call : wrong cfg ptr (000000002575301a)
[    8.748165] [dhd-sdio] wifi_platform_set_power = 0, sleep done: 10 msec
[    8.748188] [dhd-sdio] [wlan0] wl_android_wifi_off : out
[    8.748205] [dhd-sdio] wl_android_post_init: 0
[    8.748215] [dhd-sdio] dhdsdio_probe : mutex is released.
[    8.748409] bcmsdh_sdmmc: probe of mmc2:0001:3 failed with error -110
[    8.748514] [dhd-sdio] _dhd_module_init: Exit err=0
[    8.755692] btsdio: probe of mmc2:0001:3 failed with error -110
[    9.354513] [dhd-sdio] dhd_pri_open : no mutex held
[    9.354528] [dhd-sdio] dhd_pri_open : set mutex lock
[    9.354533] [dhd-sdio] [wlan0] dhd_open : Enter
[    9.354536] [dhd-sdio] Dongle Host Driver, version 101.10.591.52.27 (20240409-1)(20240411-2)(d83d8d7)
               drivers/net/wireless/rockchip_wlan/rkwifi/bcmdhd_sdio/../bcmdhd compiled on Aug 18 2026 at 15:52:04
[    9.354547] [dhd-sdio] dhd_open: ######### called for ifidx=0 #########
[    9.354559] [dhd-sdio] [wlan0] wl_android_wifi_on : in g_wifi_on=0
[    9.354564] [dhd-sdio] wifi_platform_set_power = 1, delay: 200 msec
[    9.354570] [dhd-sdio] ======== PULL WL_REG_ON(-1) HIGH! ========
[    9.667066] [dhd-sdio] wifi_platform_set_power = 1, sleep done: 200 msec
[    9.667122] [dhd-sdio] sdio_sw_reset: call mmc_hw_reset
[    9.887178] mmc_host mmc2: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0)
[   10.023690] mmc_host mmc2: Bus speed (slot 0) = 150000000Hz (slot req 150000000Hz, actual 150000000HZ div = 0)
[   10.160600] [dhd-sdio] sdioh_start: set sd_f2_blocksize 256
[   10.160968] [dhd-sdio] dhd_bus_devreset: == Power ON ==
[   10.161132] [dhd-sdio] F1 signature read @0x18000000=0x1040aabf
[   10.167060] [dhd-sdio] F1 signature OK, socitype:0x1 chip:0xaabf rev:0x0 pkg:0x4
[   10.168230] [dhd-sdio] DHD: dongle ram size is set to 1310720(orig 1310720) at 0x170000
[   10.168352] [dhd-sdio] dhd_bus_devreset: making DHD_BUS_DOWN
[   10.168423] [dhd-sdio] dhdsdio_probe_init: making DHD_BUS_DOWN
[   10.168659] [dhd-sdio] dhd_conf_set_path_params : Final fw_path=/lib/firmware/ap6275p/fw_syn43711a0_sdio.bin
[   10.168685] [dhd-sdio] dhd_conf_set_path_params : Final nv_path=/lib/firmware/ap6275p/nvram_ap6611s.txt
[   10.168706] [dhd-sdio] dhd_conf_set_path_params : Final clm_path=/lib/firmware/ap6275p/clm_syn43711a0.blob
[   10.168727] [dhd-sdio] dhd_conf_set_path_params : Final conf_path=/lib/firmware/ap6275p/config_syn43711a0.txt
[   10.173678] [dhd-sdio] dhd_get_download_buffer: Open image file failed /lib/firmware/ap6275p/config_syn43711a0.txt
[   10.173714] [dhd-sdio] dhd_conf_read_config : Ignore config file /lib/firmware/ap6275p/config_syn43711a0.txt
[   10.174592] [dhd-sdio] dhd_os_open_image1: /lib/firmware/ap6275p/fw_syn43711a0_sdio.bin (752242 bytes) open success
[   10.175282] [dhd-sdio] dhd_os_open_image1: /lib/firmware/ap6275p/fw_syn43711a0_sdio.bin (752242 bytes) open success
[   10.175318] [dhd-sdio] dhdsdio_download_code_file Using SINGLE image (size 752242)
[   10.301126] [dhd-sdio] dhd_os_open_image1: /lib/firmware/ap6275p/nvram_ap6611s.txt (6871 bytes) open success
[   10.301698] [dhd-sdio] # AP6611S_NVRAM_V0.1_20231016
[   10.302624] [dhd-sdio] dhdsdio_write_vars: Download, Upload and compare of NVRAM succeeded.
[   10.387273] [dhd-sdio] dhd_bus_init: enable 0x06, ready 0x06 (waited 0us)
[   10.387412] [dhd-sdio] bcmsdh_oob_intr_register: HW_OOB irq=154 flags=0x4
[   10.388643] [dhd-sdio] dhd_dpc_thread: set dhd_dpc_prio 98
[   10.391989] [dhd-sdio] wlc_ver_major 12, wlc_ver_minor 2
[   10.392014] [dhd-sdio] dhd_tcpack_suppress_set: TCP ACK Suppress mode 2 -> mode 1
[   10.392027] [dhd-sdio] dhd_tcpack_suppress_set: TCPACK_INFO_MAXNUM=40, TCPDATA_INFO_MAXNUM=40
[   10.394848] [dhd-sdio] dhd_legacy_preinit_ioctls: use firmware generated mac_address c0:f5:35:ed:fd:c5
[   10.394913] [dhd-sdio] dhd_os_open_image1: /lib/firmware/ap6275p/clm_syn43711a0.blob (20121 bytes) open success
[   10.396240] [dhd-sdio] dhd_check_current_clm_data: ----- This FW is not included CLM data -----
[   10.431656] [dhd-sdio] dhd_apply_default_clm: CLM download succeeded
[   10.433961] [dhd-sdio] dhd_check_current_clm_data: ----- This FW is included CLM data -----
[   10.439838] [dhd-sdio] Firmware up: op_mode=0x0005, MAC=c0:f5:35:ed:fd:c5
[   10.449635] [dhd-sdio] dhd_legacy_preinit_ioctls: event_log_max_sets: 26 ret: 0
[   10.452376] [dhd-sdio] arp_enable:1 arp_ol:0
[   10.457627] [dhd-sdio]   Driver: 101.10.591.52.27 (20240409-1)(20240411-2)
               [dhd-sdio]   Firmware: wl0: Oct 12 2023 23:28:29 version 18.42.23 (g32f7eb26) FWID 01-c6370cb4
               [dhd-sdio]   CLM: syna43711a0.master (2023-08-22 06:06:08)
[   10.457891] [dhd-sdio] dhd_txglom_enable: enable 1
[   10.457901] [dhd-sdio] dhd_conf_set_txglom_params : txglom_mode=copy
[   10.457906] [dhd-sdio] dhd_conf_set_txglom_params : txglomsize=36, deferred_tx_len=0
[   10.457912] [dhd-sdio] dhd_conf_set_txglom_params : txinrx_thres=128, dhd_txminmax=-1
[   10.457923] [dhd-sdio] dhd_conf_set_txglom_params : tx_max_offset=0, txctl_tmo_fix=300
[   10.457934] [dhd-sdio] dhd_conf_get_disable_proptx : fw_proptx=1, disable_proptx=-1
[   10.463665] [dhd-sdio] dhd_wlfc_hostreorder_init(): successful bdcv2 tlv signaling, 64
[   10.496580] [dhd-sdio] dhd_ecounter_autoconfig Ecounter autoconfig in FW not supported
[   10.498190] [dhd-sdio] failed to start ecounters
[   10.498199] [dhd-sdio] dhd_ecounter_configure Ecounters start failed
[   10.498470] [dhd-sdio] dhd_legacy_preinit_ioctls: d3_hostwake_delay IOVAR not present, proceed
[   10.498739] [dhd-sdio] dhd_bus_check_srmemsize : srmem_size no need to change.
[   10.564106] [dhd-sdio] CFG80211-ERROR) wl_cfg80211_event : Event handler is not created (WLC_E_ALLOW_CREDIT_BORROW)
[   10.565684] [dhd-sdio] dhd_conf_same_country : country code = US/0 is already configured
[   10.569281] [dhd-sdio] [wlan0] wl_android_wifi_on : Success
[   10.577918] [dhd-sdio] CFG80211-ERROR) __wl_update_wiphybands : error reading txbf_bfe_cap (-23)
[   10.578471] [dhd-sdio] CFG80211-ERROR) __wl_update_wiphybands : error reading txbf_bfr_cap (-23)
[   10.674173] [dhd-sdio] [wlan0] wl_cfg80211_up : Roam channel cache enabled
[   10.676048] [dhd-sdio] [wlan0] dhd_open : Exit ret=0
[   10.676059] [dhd-sdio] [wlan0] dhd_pri_open : tx queue started
[   10.676065] [dhd-sdio] dhd_pri_open : mutex is released.
[   10.746822] [dhd-sdio] CFG80211-ERROR) wl_cfg80211_reg_notifier : Set country code DE from User
[   10.749060] [dhd-sdio] dhd_conf_set_country : set country DE, revision 0
[   10.756452] [dhd-sdio] dhd_conf_set_country : Country code: DE (DE/0)
[   10.764724] [dhd-sdio] CFG80211-ERROR) __wl_update_wiphybands : error reading txbf_bfe_cap (-23)
[   10.765289] [dhd-sdio] CFG80211-ERROR) __wl_update_wiphybands : error reading txbf_bfr_cap (-23)
[   10.784365] [dhd-sdio] wldev_set_country: set country for DE as DE rev 0
[   10.797767] [dhd-sdio] P2P interface registered
[   10.839216] [dhd-sdio] P2P interface started
[   10.843673] [dhd-sdio] CFG80211-ERROR) wl_cfg80211_reg_notifier : Set country code DE from User
[   10.844341] [dhd-sdio] dhd_conf_same_country : country code = DE/0 is already configured
[   15.922246] [dhd-sdio] [wlan0] wl_conn_debug_info : Connecting with 24:99:00:c6:9a:0f ssid "pumbaundpumbina", len (15), channel=5g-36(chan_cnt=1), sec=wpa2/psk/mfpn/aes, rssi=-53
[   15.984458] [dhd-sdio] [wlan0] wl_iw_event : Link UP with 24:99:00:c6:9a:0f
[   15.984479] [dhd-sdio] [wlan0] wl_ext_iapsta_link : [S] Link UP with 24:99:00:c6:9a:0f
[   15.988722] [dhd-sdio] [wlan0] wl_bss_connect_done : Report connect result - connection succeeded
[   16.005774] [dhd-sdio] [wlan0] wl_add_keyext : key index (0) for 24:99:00:c6:9a:0f
[   16.015711] [dhd-sdio] [wlan0] wl_cfg80211_set_suspend_bcn_li_dtim : bcn_li_dtim:0 lpas:0 bcn_to_dly:0
[   44.701924] [dhd-sdio] CFG80211-ERROR) wl_cfg80211_netdev_notifier_call : wrong cfg ptr (000000002575301a)
[   47.435540] [dhd-sdio] CFG80211-ERROR) wl_cfg80211_netdev_notifier_call : wrong cfg ptr (00000000a8250dd1)
[   47.439255] [dhd-sdio] CFG80211-ERROR) wl_cfg80211_netdev_notifier_call : wrong cfg ptr (00000000a8250dd1)

I am btw currently working on an attempt to get support for the AP6611S into the brcmfmac mainline driver. Patching the driver + SDIO subsystem: MichaIng/build@63d955d
And a device tree overlay for now, which I tested alone at first, but the driver did not recognize the chip.

dtso
/dts-v1/;
/plugin/;

&{/} {
        sdio_pwrseq: sdio-pwrseq {
                compatible = "mmc-pwrseq-simple";
                clocks = <&hym8563>;
                clock-names = "ext_clock";
                pinctrl-names = "default";
                pinctrl-0 = <&wifi_enable_h>;
                /*
                * On the module itself this is one of these (depending
                * on the actual card populated):
                * - SDIO_RESET_L_WL_REG_ON
                * - PDN (power down when low)
                */
                post-power-on-delay-ms = <200>;
                //reset-gpios = <&gpio2 RK_PC5 GPIO_ACTIVE_LOW>;
                reset-gpios = <&gpio2 21 1>;
                status = "okay";
        };

//      wireless_wlan: wireless-wlan {
//              compatible = "android,bcmdhd_wlan";
//              reg = <1>;
//              wifi_chip_type = "ap6611";
//              pinctrl-names = "default";
//              pinctrl-0 = <&wifi_host_wake_irq>;
//              wl_reg_on-gpios = <&gpio2 RK_PC5 GPIO_ACTIVE_HIGH>;
//              wl_host_wake-gpios = <&gpio0 RK_PB0 GPIO_ACTIVE_HIGH>;
//              interrupt-parent = <&gpio0>;
//              interrupts = <RK_PB0 IRQ_TYPE_LEVEL_HIGH>;
//              interrupt-names = "host-wake";
//              status = "okay";
//      };
};

&pinctrl {
        wireless-wlan {
                wifi_enable_h: wifi-enable-h {
                        //rockchip,pins = <2 RK_PC5 RK_FUNC_GPIO &pcfg_pull_none>;
                        rockchip,pins = <2 21 0 &pcfg_pull_none>;
                };

//              wifi_host_wake_irq: wifi-host-wake-irq {
//                      rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_down>;
//              };
        };
};

&{/rfkill} {
        status = "disabled";
};

&sdio {
        bus-width = <4>;
        cap-sdio-irq;
        cap-sd-highspeed;
        keep-power-in-suspend;
        disable-wp;
        sd-uhs-sdr104;
        pwrseq-1.8v;
        max-frequency = <150000000>;
        mmc-pwrseq = <&sdio_pwrseq>;
        non-removable;
        no-mmc;
        no-sd;
        pinctrl-names = "default";
        pinctrl-0 = <&sdiom0_pins>;
        status = "okay";
};

&sdiom0_pins {
        rockchip,pins =
                /* sdio_clk_m0 */
                //<2 RK_PB3 2 &pcfg_pull_none>,
                <2 11 2 &pcfg_pull_none>,
                /* sdio_cmd_m0 */
                //<2 RK_PB2 2 &pcfg_pull_up>,
                <2 10 2 &pcfg_pull_up>,
                /* sdio_d0_m0 */
                //<2 RK_PA6 2 &pcfg_pull_up>,
                <2 6 2 &pcfg_pull_up>,
                /* sdio_d1_m0 */
                //<2 RK_PA7 2 &pcfg_pull_up>,
                <2 7 2 &pcfg_pull_up>,
                /* sdio_d2_m0 */
                //<2 RK_PB0 2 &pcfg_pull_up>,
                <2 8 2 &pcfg_pull_up>,
                /* sdio_d3_m0 */
                //<2 RK_PB1 2 &pcfg_pull_up>;
                <2 9 2 &pcfg_pull_up>;
};

Let's see how far I get. Would be great to run Orange Pi 5 Max and Ultra with mainline kernel, without the need to carry this bcmdhd vendor driver via DKMS or as in-tree patch (which would be my alternative if brcmfmac support fails).

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