after some updates, i2c fails to start,
recovering to original binaries didn’t help
I’ve tried releases 7,8 and 9
it looks like dtb was broken
- where is it stored ?
- how to download only dtb?
maybe the problem is somwhere else…
root@swi-mdm9x28:~# dmesg |grep i2c
[ 0.367220] swimcu_i2c_init: start
[ 0.369950] i2c-msm-v2 78b8000.i2c: probing driver i2c-msm-v2
[ 0.370188] i2c-msm-v2 78b8000.i2c: msm_bus_scale_register_client(mstr-id:86):0 (not a problem)
[ 0.371635] swimcu_i2c_probe: start 1
[ 0.372197] i2c-msm-v2 78b8000.i2c: NACK: slave not responding, ensure its powered: msgs(n:1 cur:0 tx) bc(r
x:0 tx:2) mode:FIFO slv_addr:0x3a MSTR_STS:0x081343c8 OPER:0x00000090
[ 0.424975] wm8944_i2c_probe
[ 0.940024] i2c-core: driver [tabla-i2c-core] using legacy suspend method
[ 0.940035] i2c-core: driver [tabla-i2c-core] using legacy resume method
[ 0.940347] i2c-core: driver [wcd9xxx-i2c-core] using legacy suspend method
[ 0.940358] i2c-core: driver [wcd9xxx-i2c-core] using legacy resume method
[ 0.940497] i2c-core: driver [tasha-i2c-core] using legacy suspend method
[ 0.940507] i2c-core: driver [tasha-i2c-core] using legacy resume method
[ 1.038998] i2c /dev entries driver
[ 10.451000] i2c-msm-v2 78b8000.i2c: msm_bus_scale_register_client(mstr-id:86):0xa (ok)
[ 10.458225] i2c-msm-v2 78b8000.i2c: NACK: slave not responding, ensure its powered: msgs(n:1 cur:0 tx) bc(r
x:0 tx:2) mode:FIFO slv_addr:0x3a MSTR_STS:0x001363c8 OPER:0x00000090
[ 22.630766] i2c-msm-v2 78b8000.i2c: NACK: slave not responding, ensure its powered: msgs(n:1 cur:0 tx) bc(r
x:0 tx:2) mode:FIFO slv_addr:0x3a MSTR_STS:0x001363c8 OPER:0x00000090
[ 27.711794] i2c-msm-v2 78b8000.i2c: NACK: slave not responding, ensure its powered: msgs(n:1 cur:0 tx) bc(r
x:0 tx:2) mode:FIFO slv_addr:0x3a MSTR_STS:0x0d1343c8 OPER:0x00000090
[ 418.899390] i2c-msm-v2 78b8000.i2c: NACK: slave not responding, ensure its powered: msgs(n:1 cur:0 tx) bc(r
x:0 tx:2) mode:FIFO slv_addr:0x3a MSTR_STS:0x0c1300c8 OPER:0x00000090
root@swi-mdm9x28:~# dmesg |grep DT
[ 1.041271] unable to find DT imem DLOAD mode node
[ 1.045327] unable to find DT imem EDLOAD mode node
[ 1.050292] unable to find DT imem dload-type node
[ 21.831343] msm-dai-stub-dev soc:qcom,msm-dai-stub:qcom,msm-dai-stub-dtmf-tx: ASoC: no sink widget found fo
r STUB_DTMF_TX
[ 21.898038] msm-dai-stub-dev soc:qcom,msm-dai-stub:qcom,msm-dai-stub-dtmf-tx: ASoC: Failed to add route DTM
F TX -> direct -> STUB_DTMF_TX
root@swi-mdm9x28:~# dmesg |grep of_
[ 0.230014] __of_mpm_init(): MPM driver mapping exists
[ 0.364218] of_get_named_gpiod_flags: parsed ‘wake-n-gpio’ property of node ‘/soc/sierra_gpio_wake_n[0]’ -
status (0)
[ 0.365562] of_get_named_gpiod_flags: can’t parse ‘gpio’ property of node ‘/soc/sdcard_ext_vreg[0]’
[ 0.366060] of_get_named_gpiod_flags: can’t parse ‘gpio’ property of node ‘/soc/rome_vreg[0]’
[ 0.366509] of_get_named_gpiod_flags: can’t parse ‘gpio’ property of node ‘/soc/emac_lan_vreg[0]’
[ 0.367594] of_get_named_gpiod_flags: parsed ‘qcom,gpio-connect’ property of node ‘/soc/wcd9xxx-irq[0]’ - s
tatus (0)
[ 0.649100] of_get_named_gpiod_flags: parsed ‘qcom,gpio-proxy-unvote’ property of node ‘/soc/qcom,mss@40800
00[0]’ - status (-517)
[ 0.650942] of_get_named_gpiod_flags: can’t parse ‘qcom,tx-gpio’ property of node ‘/soc/uart@78b0000[0]’
[ 0.650971] of_get_named_gpiod_flags: can’t parse ‘qcom,rx-gpio’ property of node ‘/soc/uart@78b0000[0]’
[ 0.650990] of_get_named_gpiod_flags: can’t parse ‘qcom,cts-gpio’ property of node ‘/soc/uart@78b0000[0]’
[ 0.651010] of_get_named_gpiod_flags: can’t parse ‘qcom,rfr-gpio’ property of node ‘/soc/uart@78b0000[0]’
[ 0.939731] of_get_named_gpiod_flags: parsed ‘sfpr-gpio’ property of node ‘/soc/sierra_safe_pwr_remove[0]’
- status (0)
[ 0.989711] of_get_named_gpiod_flags: can’t parse ‘qcom,gpio-clk’ property of node ‘/soc/spi@78b6000[0]’
[ 0.989729] of_get_named_gpiod_flags: can’t parse ‘qcom,gpio-miso’ property of node ‘/soc/spi@78b6000[0]’
[ 0.989741] of_get_named_gpiod_flags: can’t parse ‘qcom,gpio-mosi’ property of node ‘/soc/spi@78b6000[0]’
[ 0.989752] of_get_named_gpiod_flags: can’t parse ‘qcom,gpio-cs0’ property of node ‘/soc/spi@78b6000[0]’
[ 0.989763] of_get_named_gpiod_flags: can’t parse ‘qcom,gpio-cs1’ property of node ‘/soc/spi@78b6000[0]’
[ 0.989774] of_get_named_gpiod_flags: can’t parse ‘qcom,gpio-cs2’ property of node ‘/soc/spi@78b6000[0]’
[ 0.989785] of_get_named_gpiod_flags: can’t parse ‘qcom,gpio-cs3’ property of node ‘/soc/spi@78b6000[0]’
[ 0.994792] of_get_named_gpiod_flags: can’t parse ‘qcom,hub-reset-gpio’ property of node ‘/soc/usb@78d9000[
0]’
[ 0.994806] of_get_named_gpiod_flags: can’t parse ‘qcom,usbeth-reset-gpio’ property of node ‘/soc/usb@78d90
00[0]’
[ 0.994819] of_get_named_gpiod_flags: can’t parse ‘qcom,sw-sel-gpio’ property of node ‘/soc/usb@78d9000[0]’
[ 0.994871] of_get_named_gpiod_flags: parsed ‘qcom,usbid-gpio’ property of node ‘/soc/usb@78d9000[0]’ - sta
tus (0)
[ 0.994892] of_get_named_gpiod_flags: can’t parse ‘qcom,hsusb-otg-vddmin-gpio’ property of node ‘/soc/usb@7
8d9000[0]’
[ 0.999911] of_get_named_gpiod_flags: can’t parse ‘hsic,strobe-gpio’ property of node ‘/soc/hsic_host@7c000
00[0]’
[ 0.999927] of_get_named_gpiod_flags: can’t parse ‘hsic,data-gpio’ property of node ‘/soc/hsic_host@7c00000
[0]’
[ 0.999939] of_get_named_gpiod_flags: can’t parse ‘hsic,resume-gpio’ property of node ‘/soc/hsic_host@7c000
00[0]’
[ 1.032606] of_get_named_gpiod_flags: can’t parse ‘hsic,swi_reset_gpio’ property of node ‘/soc/hsic_host@7c
00000[0]’
[ 1.039961] of_get_named_gpiod_flags: parsed ‘gpios’ property of node ‘/soc/pps[0]’ - status (0)
[ 1.079545] of_get_named_gpiod_flags: can’t parse ‘qcom,gpio-mode-sel’ property of node '/soc/usb_detect[0]
’
[ 1.090966] of_get_named_gpiod_flags: can’t parse ‘cd-gpios’ property of node ‘/soc/sdhci@07864900[0]’
[ 1.168887] of_get_named_gpiod_flags: parsed ‘qcom,gpio-proxy-unvote’ property of node ‘/soc/qcom,mss@40800
00[0]’ - status (0)
[ 1.169640] of_get_named_gpiod_flags: parsed ‘qcom,gpio-err-fatal’ property of node ‘/soc/qcom,mss@4080000[
0]’ - status (0)
[ 1.169660] of_get_named_gpiod_flags: parsed ‘qcom,gpio-err-ready’ property of node ‘/soc/qcom,mss@4080000[
0]’ - status (0)
[ 1.169676] of_get_named_gpiod_flags: parsed ‘qcom,gpio-stop-ack’ property of node ‘/soc/qcom,mss@4080000[0
]’ - status (0)
[ 1.169692] of_get_named_gpiod_flags: parsed ‘qcom,gpio-force-stop’ property of node ‘/soc/qcom,mss@4080000
[0]’ - status (0)
[ 1.169710] of_get_named_gpiod_flags: parsed ‘qcom,gpio-shutdown-ack’ property of node ‘/soc/qcom,mss@40800
00[0]’ - status (0)
[ 1.184632] of_get_named_gpiod_flags: parsed ‘gpios’ property of node ‘/soc/qcom,smp2pgpio_test_smp2p_15_in
[0]’ - status (0)
[ 1.184707] of_get_named_gpiod_flags: parsed ‘gpios’ property of node ‘/soc/qcom,smp2pgpio_test_smp2p_15_ou
t[0]’ - status (0)
[ 1.184767] of_get_named_gpiod_flags: parsed ‘gpios’ property of node ‘/soc/qcom,smp2pgpio_test_smp2p_1_in[
0]’ - status (0)
[ 1.184828] of_get_named_gpiod_flags: parsed ‘gpios’ property of node ‘/soc/qcom,smp2pgpio_test_smp2p_1_out
[0]’ - status (0)
root@swi-mdm9x28:~#
root@swi-mdm9x28:~# cm info
Device: WP7607-1
IMEI: 359780080100138
IMEISV: 4
FSN: VP737670061102
Firmware Version: SWI9X07Y_02.16.02.00 000000 jenkins 20 418.899390] i2c-msm-v2 78b8000.i2c: NACK: slave
not responding, ensure its powered: msgs(n:1 cur:0 tx) bc(rx:0 tx:2) mode:FIFO slv_addr:0x3a MSTR_STS:0x0c130
0c8 OPER:0x00000090
04/19 19:59:02
Bootloader Version: SWI9X07Y_02.16.02.00 000000 jenkins 2018/04/19 19:59:02
MCU Version: 002.009
PRI Part Number (PN): 9907364
PRI Revision: 001.000
Carrier PRI Name: GENERIC
Carrier PRI Revision: 002.032_000
SKU: 1103529
Last Reset Cause: Reset, User Requested
Resets Count: Expected: 9 Unexpected: 0
root@swi-mdm9x28:~# legato version
18.03.0_b463e04cf08fb8d8f1ea5ee00d7894c0