From cf19fd0cb59f6e91e87f74a5471ea92a751e91d0 Mon Sep 17 00:00:00 2001 From: Robert Marko Date: Thu, 18 May 2023 12:20:15 +0200 Subject: [PATCH] ipq40xx: fix rebooting after 5.15.111 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 --- ...qcom_scm-Clear-download-bit-during-r.patch | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 target/linux/ipq40xx/patches-5.15/910-Revert-firmware-qcom_scm-Clear-download-bit-during-r.patch diff --git a/target/linux/ipq40xx/patches-5.15/910-Revert-firmware-qcom_scm-Clear-download-bit-during-r.patch b/target/linux/ipq40xx/patches-5.15/910-Revert-firmware-qcom_scm-Clear-download-bit-during-r.patch new file mode 100644 index 00000000000..e24895deeca --- /dev/null +++ b/target/linux/ipq40xx/patches-5.15/910-Revert-firmware-qcom_scm-Clear-download-bit-during-r.patch @@ -0,0 +1,27 @@ +From c87df89a82c17411cd6b98e5afaa1203ee9508dc Mon Sep 17 00:00:00 2001 +From: Robert Marko +Date: Thu, 18 May 2023 12:16:02 +0200 +Subject: [PATCH] Revert "firmware: qcom_scm: Clear download bit during reboot" + +This reverts commit a3ea89b5978dbcd0fa55f675c5a1e04611093709. + +It is breaking reboot on IPQ4019 boards, so revert until a proper fix +is found. + +Signed-off-by: Robert Marko +--- + drivers/firmware/qcom_scm.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +--- a/drivers/firmware/qcom_scm.c ++++ b/drivers/firmware/qcom_scm.c +@@ -1352,7 +1352,8 @@ static int qcom_scm_probe(struct platfor + static void qcom_scm_shutdown(struct platform_device *pdev) + { + /* Clean shutdown, disable download mode to allow normal restart */ +- qcom_scm_set_download_mode(false); ++ if (download_mode) ++ qcom_scm_set_download_mode(false); + } + + static const struct of_device_id qcom_scm_dt_match[] = { -- 2.30.2