Hi,
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Built in RN5T618 PMIC reboot issue. No atomic I2C transfer handler. The same on 5.0.0-build 3 and and on the latest monthly 5.1.0:
root@colibri-imx7:~# [ 29.518686] reboot: Restarting system [ 29.522466] ------------[ cut here ]------------ [ 29.527182] WARNING: CPU: 0 PID: 1 at drivers/i2c/i2c-core.h:40 i2c_transfer+0xfc/0x108 [ 29.535320] No atomic I2C transfer handler for 'i2c-0' [ 29.540543] Modules linked in: rfcomm bnep btusb btintel imx_sdma virt_dma mcp251x snd_soc_sgtl5000 can_dev secvio bluetooth libcomposite configfs [ 29.553913] CPU: 0 PID: 1 Comm: systemd-shutdow Not tainted 5.4.47-5.0.0+git.9e7307657fc1 #1 [ 29.562489] Hardware name: Freescale i.MX7 Dual (Device Tree) [ 29.568350] [<8010e09c>] (unwind_backtrace) from [<8010af48>] (show_stack+0x10/0x14) [ 29.576232] [<8010af48>] (show_stack) from [<80901f64>] (dump_stack+0x90/0xa4) [ 29.583585] [<80901f64>] (dump_stack) from [<80123e40>] (__warn+0xbc/0xd8) [ 29.590582] [<80123e40>] (__warn) from [<80123ee0>] (warn_slowpath_fmt+0x84/0x94) [ 29.598197] [<80123ee0>] (warn_slowpath_fmt) from [<8063ded4>] (i2c_transfer+0xfc/0x108) [ 29.606430] [<8063ded4>] (i2c_transfer) from [<80584cfc>] (regmap_i2c_read+0x4c/0x68) [ 29.614399] [<80584cfc>] (regmap_i2c_read) from [<80580fd4>] (_regmap_raw_read+0xec/0x150) [ 29.622809] [<80580fd4>] (_regmap_raw_read) from [<80581070>] (_regmap_bus_read+0x38/0x60) [ 29.631218] [<80581070>] (_regmap_bus_read) from [<8058022c>] (_regmap_read+0x60/0xb8) [ 29.639273] [<8058022c>] (_regmap_read) from [<80580620>] (_regmap_update_bits+0x8c/0xc4) [ 29.647594] [<80580620>] (_regmap_update_bits) from [<80581570>] (regmap_update_bits_base+0x4c/0x70) [ 29.695765] [<80581570>] (regmap_update_bits_base) from [<8058bec8>] (rn5t618_trigger_poweroff_sequence+0x5c/0x64) [ 29.747773] [<8058bec8>] (rn5t618_trigger_poweroff_sequence) from [<8058bedc>] (rn5t618_restart+0xc/0x2c) [ 29.797551] [<8058bedc>] (rn5t618_restart) from [<801424d4>] (notifier_call_chain+0x48/0x84) [ 29.846282] [<801424d4>] (notifier_call_chain) from [<8014254c>] (atomic_notifier_call_chain+0x1c/0x24) [ 29.896233] [<8014254c>] (atomic_notifier_call_chain) from [<80109aa0>] (machine_restart+0x78/0x7c) [ 29.946145] [<80109aa0>] (machine_restart) from [<80143d44>] (__do_sys_reboot+0xf8/0x1bc) [ 29.995220] [<80143d44>] (__do_sys_reboot) from [<80101000>] (ret_fast_syscall+0x0/0x54) [ 30.044494] Exception stack(0x8c05ffa8 to 0x8c05fff0) [ 30.070013] ffa0: 00478bc0 00000000 fee1dead 28121969 01234567 01234567 [ 30.118705] ffc0: 00478bc0 00000000 00000000 00000058 00000003 00000000 00000000 004785fc [ 30.167128] ffe0: 00000058 7ed4cc6c 76d15e35 76c9abe6 [ 30.192059] ---[ end trace 90a6992ed82142da ]---
The same issue due to missing atomic I2C handler on 5.1.0.
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Small issue with DT:
[ 0.001524] arch_timer: multiple nodes in dt, skipping
Looks like timer is defined twice in the root of DT / and in /soc . One time in imx7s.dtsi, and the 2nd time in imx7d.dtsi, which includes imx7s.dtsi.