Kernel 5.15.111 includes backport of commit
("firmware: qcom_scm: Clear download bit during reboot") which is causing
reboot on ipq40xx to stop working, more precisely the board will hang after
reboot is called with:
root@OpenWrt:/# reboot
root@OpenWrt:/# [ 76.473541] device lan1 left promiscuous mode
[ 76.474204] br-lan: port 1(lan1) entered disabled state
[ 76.527975] device lan2 left promiscuous mode
[ 76.530301] br-lan: port 2(lan2) entered disabled state
[ 76.579376] device lan3 left promiscuous mode
[ 76.581698] br-lan: port 3(lan3) entered disabled state
[ 76.638434] device lan4 left promiscuous mode
[ 76.638777] br-lan: port 4(lan4) entered disabled state
[ 76.978489] qca8k-ipq4019
c000000.switch wan: Link is Down
[ 76.978883] device eth0 left promiscuous mode
[ 76.987077] ipqess-edma
c080000.ethernet eth0: Link is Down
[
Format: Log Type - Time(microsec) - Message - Optional Info
Log Type: B - Since Boot(Power On Reset), D - Delta, S - Statistic
S - QC_IMAGE_VERSION_STRING=BOOT.BF.3.1.1-00123
S - IMAGE_VARIANT_STRING=DAABANAZA
S - OEM_IMAGE_VERSION_STRING=CRM
S - Boot Config, 0x00000021
S - Reset status Config, 0x00000010
S - Core 0 Frequency, 0 MHz
B - 261 - PBL, Start
B - 1339 - bootable_media_detect_entry, Start
B - 1679 - bootable_media_detect_success, Start
B - 1693 - elf_loader_entry, Start
B - 5076 - auth_hash_seg_entry, Start
B - 7223 - auth_hash_seg_exit, Start
B - 578349 - elf_segs_hash_verify_entry, Start
B - 696356 - PBL, End
B - 696380 - SBL1, Start
B - 787236 - pm_device_init, Start
D - 7 - pm_device_init, Delta
B - 788701 - boot_flash_init, Start
D - 52782 - boot_flash_init, Delta
B - 845625 - boot_config_data_table_init, Start
D - 3836 - boot_config_data_table_init, Delta - (419 Bytes)
B - 852841 - clock_init, Start
D - 7566 - clock_init, Delta
B - 864883 - CDT version:2,Platform ID:9,Major ID:0,Minor ID:0,Subtype:64
B - 868413 - sbl1_ddr_set_params, Start
B - 873402 - cpr_init, Start
D - 2 - cpr_init, Delta
B - 877842 - Pre_DDR_clock_init, Start
D - 4 - Pre_DDR_clock_init, Delta
D - 13234 - sbl1_ddr_set_params, Delta
B - 891155 - pm_driver_init, Start
D - 2 - pm_driver_init, Delta
B - 909105 - Image Load, Start
B -
1030210 - Boot error ocuured!. Error code: 303d
So, until a proper fix is found, lets revert the culprit patch to have
reboot working again.
Fixes: 228e0e10398b ("kernel: bump 5.15 to 5.15.111")
Signed-off-by: Robert Marko <robimarko@gmail.com>