Re: Nokia N900 - audio TPA6130A2 problems

Pali Rohár
2015-08-01T10:18:54Z

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On Saturday 25 July 2015 15:17:13 Lars-Peter Clausen wrote:
> On 07/25/2015 12:28 PM, Pali Rohár wrote:
> > Hello,
> >
> > sometimes after rebooting Nokia N900 initializing alsa audio fails.
> > Here output from dmesg log when it happen:
> >
> > [ 6.925140] tpa6130a2 2-0060: Write failed
> > [ 6.929534] tpa6130a2 2-0060: Failed to initialize chip
> > [ 6.935272] tpa6130a2: probe of 2-0060 failed with error -121
> > [ 7.624237] rx51-audio n900-audio: Failed to add TPA6130A2
> > controls [ 7.635101] rx51-audio n900-audio: ASoC: failed to
> > init TLV320AIC34: -19 [ 7.645874] rx51-audio n900-audio: ASoC:
> > failed to instantiate card -19 [ 7.665740] rx51-audio
> > n900-audio: snd_soc_register_card failed (-19) [ 8.063049] ALSA
> > device list:
> > [ 8.070343] No soundcards found.
> >
> > Any idea what to do?
>
> Looks like the chip is not responding. Try to add a small delay after
> powerup to give the device to be fully ready, something like the
> following:
>
> --- a/sound/soc/codecs/tpa6130a2.c
> +++ b/sound/soc/codecs/tpa6130a2.c
> @@ -152,6 +152,8 @@ static int tpa6130a2_power(u8 power)
> if (data->power_gpio >= 0)
> gpio_set_value(data->power_gpio, 1);
>
> + msleep(5);
> +
> data->power_state = 1;
> ret = tpa6130a2_initialize();
> if (ret < 0) {

Hello, your patch did not helped. Problem is still there...

Now I found another problem:
[ 28.102233] omap_i2c 48072000.i2c: controller timed out

Anyway, if you are interested here is full dmesg log:

[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Linux version 4.2.0-rc2+ (pali@Pali-Latitude) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #368
PREEMPT Sat Aug 1 12:07:46 CEST 2015
[ 0.000000] CPU: ARMv7 Processor [411fc083] revision 3 (ARMv7), cr=10c5387d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT nonaliasing instruction cache
[ 0.000000] Machine model: Nokia N900
[ 0.000000] Memory policy: Data cache writeback
[ 0.000000] On node 0 totalpages: 65280
[ 0.000000] free_area_init_node: node 0, pgdat c069a40c, node_mem_map cfcf9000
[ 0.000000] Normal zone: 512 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 65280 pages, LIFO batch:15
[ 0.000000] CPU: All CPU(s) started in SVC mode.
[ 0.000000] OMAP3430/3530 ES3.1 (l2cache iva sgx neon isp )
[ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
[ 0.000000] pcpu-alloc: [0] 0
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 64768
[ 0.000000] Kernel command line: rootdelay root=/dev/ram0 log_buf_len=20M
[ 0.000000] log_buf_len: 33554432 bytes
[ 0.000000] early log buf free: 64332(98%)
[ 0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
[ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
[ 0.000000] Memory: 203424K/261120K available (4443K kernel code, 308K rwdata, 1720K rodata, 264K init, 266K bss,
57696K reserved, 0K cma-reserved, 0K highmem)
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
[ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
[ 0.000000] vmalloc : 0xd0800000 - 0xff000000 ( 744 MB)
[ 0.000000] lowmem : 0xc0000000 - 0xd0000000 ( 256 MB)
[ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
[ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
[ 0.000000] .text : 0xc0008000 - 0xc060d0c8 (6165 kB)
[ 0.000000] .init : 0xc060e000 - 0xc0650000 ( 264 kB)
[ 0.000000] .data : 0xc0650000 - 0xc069d3dc ( 309 kB)
[ 0.000000] .bss : 0xc069d3dc - 0xc06dfc4c ( 267 kB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] Preemptible hierarchical RCU implementation.
[ 0.000000] Build-time adjustment of leaf fanout to 32.
[ 0.000000] NR_IRQS:16 nr_irqs:16 16
[ 0.000000] IRQ: Found an INTC at 0xfa200000 (revision 4.0) with 96 interrupts
[ 0.000000] Clocking rate (Crystal/Core/MPU): 19.2/332/500 MHz
[ 0.000000] OMAP clockevent source: timer1 at 32768 Hz
[ 0.000000] clocksource: 32k_counter: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 58327039986419 ns
[ 0.000000] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65535999984741ns
[ 0.000000] OMAP clocksource: 32k_counter at 32768 Hz
[ 0.000305] Console: colour dummy device 80x30
[ 0.001586] console [tty0] enabled
[ 0.001647] Calibrating delay loop... 496.43 BogoMIPS (lpj=2482176)
[ 0.048828] pid_max: default: 32768 minimum: 301
[ 0.048980] Security Framework initialized
[ 0.049102] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.049163] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.050354] Initializing cgroup subsys blkio
[ 0.050445] Initializing cgroup subsys freezer
[ 0.050567] CPU: Testing write buffer coherency: ok
[ 0.051239] Setting up static identity map for 0x80008200 - 0x80008258
[ 0.054779] devtmpfs: initialized
[ 0.101928] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 1
[ 0.123107] omap_hwmod: mcbsp2_sidetone using broken dt data from mcbsp
[ 0.123840] omap_hwmod: mcbsp3_sidetone using broken dt data from mcbsp
[ 0.173553] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.174530] pinctrl core: initialized pinctrl subsystem
[ 0.176361] NET: Registered protocol family 16
[ 0.177978] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.208465] cpuidle: using governor ladder
[ 0.238403] cpuidle: using governor menu
[ 0.239074] Reprogramming SDRC clock to 332000000 Hz
[ 0.245819] OMAP GPIO hardware version 2.5
[ 0.252288] irq: no irq domain found for /ocp/l4@48000000/scm@2000/pinmux@30 !
[ 0.252990] irq: no irq domain found for /ocp/l4@48000000/scm@2000/pinmux@30 !
[ 0.267974] omap-gpmc 6e000000.gpmc: could not find pctldev for node
/ocp/l4@48000000/scm@2000/pinmux@30/pinmux_gpmc_pins, deferring probe
[ 0.272857] RX-51: Enabling ARM errata 430973 workaround
[ 0.274658] RX-51: Registring OMAP3 HWRNG device
[ 0.278564] hw-breakpoint: debug architecture 0x4 unsupported.
[ 0.280212] Reserving DMA channels 0 and 1 for HS ROM code
[ 0.280273] OMAP DMA hardware revision 4.0
[ 0.330078] omap-dma-engine 48056000.dma-controller: OMAP DMA engine driver
[ 0.335510] omap-iommu 480bd400.mmu: 480bd400.mmu registered
[ 0.336303] usbcore: registered new interface driver usbfs
[ 0.336486] usbcore: registered new interface driver hub
[ 0.336730] usbcore: registered new device driver usb
[ 0.337860] omap_i2c 48070000.i2c: could not find pctldev for node
/ocp/l4@48000000/scm@2000/pinmux@30/pinmux_i2c1_pins, deferring probe
[ 0.338012] omap_i2c 48072000.i2c: could not find pctldev for node
/ocp/l4@48000000/scm@2000/pinmux@30/pinmux_i2c2_pins, deferring probe
[ 0.338226] omap_i2c 48060000.i2c: could not find pctldev for node
/ocp/l4@48000000/scm@2000/pinmux@30/pinmux_i2c3_pins, deferring probe
[ 0.339782] omap-mailbox 48094000.mailbox: omap mailbox rev 0x40
[ 0.340423] Advanced Linux Sound Architecture Driver Initialized.
[ 0.341979] clocksource: Switched to clocksource 32k_counter
[ 0.383239] NET: Registered protocol family 2
[ 0.384521] TCP established hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.384643] TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.384735] TCP: Hash tables configured (established 2048 bind 2048)
[ 0.384948] UDP hash table entries: 256 (order: 0, 4096 bytes)
[ 0.385009] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[ 0.385314] NET: Registered protocol family 1
[ 0.385864] Trying to unpack rootfs image as initramfs...
[ 0.386383] rootfs image is not initramfs (junk in compressed archive); looks like an initrd
[ 0.518432] Freeing initrd memory: 15240K (ce900000 - cf7e2000)
[ 0.519073] hw perfevents: Failed to parse /pmu/interrupt-affinity[0]
[ 0.519226] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 counters available
[ 0.523986] futex hash table entries: 256 (order: -1, 3072 bytes)
[ 0.541168] VFS: Disk quotas dquot_6.6.0
[ 0.541687] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.544769] io scheduler noop registered
[ 0.545288] io scheduler cfq registered (default)
[ 0.546813] pinctrl-single 48002030.pinmux: 284 pins at pa fa002030 size 568
[ 0.547302] pinctrl-single 48002a00.pinmux: 46 pins at pa fa002a00 size 92
[ 0.548004] pinctrl-single 480025d8.pinmux: 18 pins at pa fa0025d8 size 36
[ 0.550445] 48050000.dss supply vdda_video not found, using dummy regulator
[ 0.550781] OMAP DSS rev 2.0
[ 0.551452] omapdss_dss 48050000.dss: bound 48050400.dispc (ops dispc_component_ops)
[ 0.551910] omapdss_dss 48050000.dss: bound 48050c00.encoder (ops venc_component_ops)
[ 0.553375] omapfb omapfb: no displays
[ 0.553588] omapfb omapfb: failed to setup omapfb
[ 0.554199] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[ 0.557464] 4806c000.serial: ttyO1 at MMIO 0x4806c000 (irq = 89, base_baud = 3000000) is a OMAP UART1
[ 0.558685] 49020000.serial: ttyO2 at MMIO 0x49020000 (irq = 90, base_baud = 3000000) is a OMAP UART2
[ 0.560394] omap3_rom_rng: initializing
[ 0.586517] brd: module loaded
[ 0.596771] loop: module loaded
[ 0.598266] mtdoops: mtd device (mtddev=name/number) must be supplied
[ 0.611114] acx565akm spi1.2: omapfb: acx565akm rev ad LCD detected
[ 0.615112] HS USB OTG: no transceiver configured
[ 0.615203] musb-hdrc musb-hdrc.0.auto: musb_init_controller failed with status -517
[ 0.616577] i2c /dev entries driver
[ 0.618164] omap_hsmmc 4809c000.mmc: unable to get vmmc regulator -517
[ 0.643157] omap_hsmmc 480b4000.mmc: unable to get vmmc regulator -517
[ 0.675903] rx51-audio n900-audio: could not get speaker enable gpio
[ 0.676788] Initializing XFRM netlink socket
[ 0.676940] NET: Registered protocol family 17
[ 0.677062] NET: Registered protocol family 15
[ 0.677185] NET: Registered protocol family 35
[ 0.677429] Key type dns_resolver registered
[ 0.677734] omap2_set_init_voltage: unable to find boot up OPP for vdd_mpu_iva
[ 0.677825] omap2_set_init_voltage: unable to set vdd_mpu_iva
[ 0.677886] omap2_set_init_voltage: unable to find boot up OPP for vdd_core
[ 0.677947] omap2_set_init_voltage: unable to set vdd_core
[ 0.682861] ThumbEE CPU extension supported.
[ 0.682952] SmartReflex Class3 initialized
[ 0.689971] registered taskstats version 1
[ 0.692565] omap-gpmc 6e000000.gpmc: GPMC revision 5.0
[ 0.692657] gpmc_mem_init: disabling cs 0 mapped at 0x0-0x1000000
[ 0.693359] omap2-onenand omap2-onenand: initializing on CS0, phys base 0x01000000, virtual base d0940000, freq 66 MHz
[ 0.693450] OneNAND Manufacturer: Samsung (0xec)
[ 0.693481] Muxed OneNAND 256MB 1.8V 16-bit (0x40)
[ 0.693542] OneNAND version = 0x0121
[ 0.693572] Chip support all block unlock
[ 0.693572] Chip has 2 plane
[ 0.695281] Scanning device for bad blocks
[ 0.795776] 6 ofpart partitions found on MTD device omap2-onenand
[ 0.795837] Creating 6 MTD partitions on "omap2-onenand":
[ 0.795898] 0x000000000000-0x000000020000 : "bootloader"
[ 0.796783] 0x000000020000-0x000000080000 : "config"
[ 0.797637] 0x000000080000-0x0000000c0000 : "log"
[ 0.798370] 0x0000000c0000-0x0000002c0000 : "kernel"
[ 0.799133] 0x0000002c0000-0x0000004c0000 : "initfs"
[ 0.799896] 0x0000004c0000-0x000010000000 : "rootfs"
[ 1.102752] twl 1-0048: PIH (irq 23) chaining IRQs 340..348
[ 1.102966] twl 1-0048: power (irq 345) chaining IRQs 348..355
[ 1.662963] twl4030_gpio twl4030-gpio: gpio (irq 340) chaining IRQs 356..373
[ 1.922668] twl4030_usb 48070000.i2c:twl@48:twl4030-usb: Initialized TWL4030 USB module
[ 1.925415] input: twl4030_pwrbutton as
/devices/platform/68000000.ocp/48070000.i2c/i2c-1/1-0048/48070000.i2c:twl@48:pwrbutton/input/input0
[ 1.927185] input: TWL4030 Keypad as
/devices/platform/68000000.ocp/48070000.i2c/i2c-1/1-0048/48070000.i2c:twl@48:keypad/input/input1
[ 5.942382] omap_i2c 48070000.i2c: bus 1 rev3.3 at 2200 kHz
[ 5.962585] tpa6130a2 2-0060: Write failed
[ 5.962707] tpa6130a2 2-0060: Failed to initialize chip
[ 5.962860] tpa6130a2: probe of 2-0060 failed with error -121
[ 5.963439] omap_i2c 48072000.i2c: bus 2 rev3.3 at 100 kHz
[ 5.965820] omap_i2c 48060000.i2c: bus 3 rev3.3 at 400 kHz
[ 5.992004] Console: switching to colour frame buffer device 100x30
[ 6.072662] omapfb omapfb: using display 'lcd' mode 800x480
[ 6.273071] musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
[ 6.273101] musb-hdrc: MHDRC RTL version 1.400
[ 6.273132] musb-hdrc: setup fifo_mode 4
[ 6.273162] musb-hdrc: 28/31 max ep, 16384/16384 memory
[ 6.574035] rx51-audio n900-audio: Failed to add TPA6130A2 controls
[ 6.580657] rx51-audio n900-audio: ASoC: failed to init TLV320AIC34: -19
[ 6.587554] rx51-audio n900-audio: ASoC: failed to instantiate card -19
[ 6.594146] gpiod_unexport: invalid GPIO
[ 6.600555] rx51-audio n900-audio: snd_soc_register_card failed (-19)
[ 6.623199] hctosys: unable to open rtc device (rtc0)
[ 6.629699] sr_init: No PMIC hook to init smartreflex
[ 6.637237] using random self ethernet address
[ 6.643829] using random host ethernet address
[ 6.650268] Number of LUNs=8
[ 6.657165] smartreflex smartreflex.0: omap_sr_probe: SmartReflex driver initialized
[ 6.664276] Mass Storage Function, version: 2009/09/11
[ 6.671386] LUN: removable file: (no medium)
[ 6.678833] smartreflex smartreflex.1: omap_sr_probe: SmartReflex driver initialized
[ 6.692260] Number of LUNs=2
[ 6.699798] LUN: removable file: (no medium)
[ 6.719238] VCSI: disabling
[ 6.726684] LUN: removable file: (no medium)
[ 6.733795] Number of LUNs=2
[ 6.741546] g_nokia gadget: USB CDC Phonet function
[ 6.748138] g_nokia gadget: using musb-hdrc, OUT ep1out, IN ep1in
[ 6.755035] ALSA device list:
[ 6.761291] No soundcards found.
[ 6.768676] usb0: HOST MAC 52:35:2b:7b:77:0e
[ 6.775085] usb0: MAC 32:e8:ee:88:a4:58
[ 6.782043] RAMDISK: cramfs filesystem found at block 0
[ 6.788543] RAMDISK: Loading 15240KiB [1 disk] into ram disk... /
[ 6.792358] g_nokia gadget: USB CDC Phonet function
[ 6.804992] -
[ 6.822235] g_nokia gadget: using musb-hdrc, OUT ep1out, IN ep1in
[ 6.834808] \
[ 6.852539] g_nokia gadget: N900 (PC-Suite Mode)
[ 6.865417] /
[ 6.872253] g_nokia gadget: g_nokia ready
[ 6.885009] done.
[ 7.333801] VFS: Mounted root (cramfs filesystem) readonly on device 1:0.
[ 7.340911] Freeing unused kernel memory: 264K (c060e000 - c0650000)
[ 7.621368] g_nokia gadget: high-speed config #1: Bus Powered
[ 7.681365] omap_wdt: OMAP Watchdog Timer Rev 0x31: initial timeout 60 sec
[ 13.258148] omap-sham 480c3000.sham: hw accel on OMAP rev 0.9
[ 13.333465] input: TSC2005 touchscreen as
/devices/platform/68000000.ocp/48098000.spi/spi_master/spi1/spi1.0/input/input2
[ 15.720733] input: twl4030:vibrator as
/devices/platform/68000000.ocp/48070000.i2c/i2c-1/1-0048/48070000.i2c:twl@48:audio/input/input3
[ 23.654785] media: Linux media interface: v0.10
[ 25.393402] tsl2563 2-0029: model 7, rev. 0
[ 25.772796] Linux video capture interface: v2.00
[ 28.102233] omap_i2c 48072000.i2c: controller timed out
[ 29.463653] lp5523x 2-0032: lp5523 Programmable led chip found
[ 30.734191] omap_i2c 48072000.i2c: controller timed out waiting for start condition to finish
[ 32.142333] i2c i2c-2: SCL is stuck low, exit recovery
[ 33.162322] i2c i2c-2: SCL is stuck low, exit recovery
[ 34.462249] i2c i2c-2: SCL is stuck low, exit recovery
[ 35.482299] i2c i2c-2: SCL is stuck low, exit recovery
[ 36.862762] omap_ssi 48058000.ssi-controller: ssi controller 0 initialized (1 ports)!
[ 37.113800] smc91x: not found (-19).
[ 37.132263] i2c i2c-2: SCL is stuck low, exit recovery
[ 38.962341] i2c i2c-2: SCL is stuck low, exit recovery
[ 39.122406] twl_rtc 48070000.i2c:twl@48:rtc: Enabling TWL-RTC
[ 39.233428] twl_rtc 48070000.i2c:twl@48:rtc: rtc core: registered 48070000.i2c:twl@48 as rtc0
[ 39.972198] i2c i2c-2: SCL is stuck low, exit recovery
[ 40.992309] i2c i2c-2: SCL is stuck low, exit recovery
[ 42.050415] i2c i2c-2: SCL is stuck low, exit recovery
[ 43.062316] i2c i2c-2: SCL is stuck low, exit recovery
[ 44.072235] i2c i2c-2: SCL is stuck low, exit recovery
[ 44.072265] si4713 2-0063: Error while sending command 0x01
[ 45.092224] i2c i2c-2: SCL is stuck low, exit recovery
[ 45.092254] si4713 2-0063: Error while sending command 0x10
[ 45.092285] si4713 2-0063: Failed to probe device information.
[ 45.092620] si4713: probe of 2-0063 failed with error -16
[ 45.094757] bq27x00-battery 2-0055: support ver. 1.2.0 enabled
[ 45.364929] Bluetooth: Core ver 2.20
[ 45.365356] NET: Registered protocol family 31
[ 45.365356] Bluetooth: HCI device and connection manager initialized
[ 45.365386] Bluetooth: HCI socket layer initialized
[ 45.365417] Bluetooth: L2CAP socket layer initialized
[ 45.365478] Bluetooth: SCO socket layer initialized
[ 46.102386] i2c i2c-2: SCL is stuck low, exit recovery
[ 47.122344] i2c i2c-2: SCL is stuck low, exit recovery
[ 48.212310] i2c i2c-2: SCL is stuck low, exit recovery
[ 48.342651] lis3lv02d: 8 bits sensor found
[ 48.473175] input: ST LIS3LV02DL Accelerometer as /devices/platform/lis3lv02d/input/input4
[ 49.402313] i2c i2c-2: SCL is stuck low, exit recovery
[ 50.422302] i2c i2c-2: SCL is stuck low, exit recovery
[ 51.442291] i2c i2c-2: SCL is stuck low, exit recovery
[ 52.462219] i2c i2c-2: SCL is stuck low, exit recovery
[ 53.668853] i2c i2c-2: SCL is stuck low, exit recovery
[ 54.682312] i2c i2c-2: SCL is stuck low, exit recovery
[ 54.882263] random: nonblocking pool is initialized
[ 55.692291] i2c i2c-2: SCL is stuck low, exit recovery
[ 56.220550] isp1704_charger isp1704: init gpio 67
[ 56.342437] isp1704_charger isp1704: registered with product id isp1707
[ 56.702209] i2c i2c-2: SCL is stuck low, exit recovery
[ 57.674682] g_nokia gadget: high-speed config #1: Bus Powered
[ 57.823730] i2c i2c-2: SCL is stuck low, exit recovery
[ 59.412292] i2c i2c-2: SCL is stuck low, exit recovery
[ 59.412322] bq2415x-charger 2-006b: failed to set default values: -16
[ 89.415588] cfg80211: Calling CRDA to update world regulatory domain
[ 93.862243] cfg80211: Calling CRDA to update world regulatory domain
[ 97.128662] cfg80211: Calling CRDA to update world regulatory domain
[ 100.392242] cfg80211: Calling CRDA to update world regulatory domain
[ 104.742370] cfg80211: Calling CRDA to update world regulatory domain
[ 105.832824] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
[ 105.873840] wl1251: loaded
[ 107.223327] wl1251: initialized
[ 108.932312] cfg80211: Calling CRDA to update world regulatory domain
[ 113.012298] cfg80211: Calling CRDA to update world regulatory domain
[ 117.022308] cfg80211: Calling CRDA to update world regulatory domain
[ 120.962310] cfg80211: Calling CRDA to update world regulatory domain
[ 124.192291] cfg80211: Calling CRDA to update world regulatory domain
[ 127.362243] cfg80211: Calling CRDA to update world regulatory domain
[ 131.712249] cfg80211: Exceeded CRDA call max attempts. Not calling CRDA

--
Pali Rohár
pali.rohar@gmail.com

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