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SubjectRe: [PATCH v3 0/3] pinctrl: msm interrupt and muxing fixes
Hello Stephen,

I'm getting this warning on dragonboard 820c (msm8996) when booting linux-next:

[ 3.211575] WARNING: CPU: 1 PID: 1 at drivers/pinctrl/qcom/pinctrl-msm.c:164 msm_pinmux_set_mux+0xc8/0x150
[ 3.212127] l28: ramp_delay not set
[ 3.215146] Modules linked in:
[ 3.215168] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G W 4.19.0-rc2-next-2018904-00004-gd8c6804d9e9b #54
[ 3.215175] Hardware name: Qualcomm Technologies, Inc. DB820c (DT)
[ 3.215184] pstate: 60400005 (nZCv daif +PAN -UAO)
[ 3.215197] pc : msm_pinmux_set_mux+0xc8/0x150
[ 3.215206] lr : msm_pinmux_set_mux+0x30/0x150
[ 3.215213] sp : ffff00000803b880
[ 3.224815] l28: 925 mV
[ 3.228149] x29: ffff00000803b880 x28: ffff00000978a22c
[ 3.228172] x27: ffff000009f22000 x26: ffff000009640764
[ 3.228193] x25: 0000000000000000
[ 3.241956] x24: ffff8000d93f5f18
[ 3.241971] x23: ffff8000d93fec18 x22: 0000000000000000
[ 3.241992] x21: ffff000009100d10 x20: 000000000000003c
[ 3.252891] x19: 000000000000000a x18: ffffffffffffffff
[ 3.252913] x17: 00000000000017c7 x16: ffff000009fdaac0
[ 3.252935] x15: ffff000009cbe1c8
[ 3.257467] l29: supplied by regulator-dummy
[ 3.261743] x14: ffff8000d85fea14
[ 3.261757] x13: ffff8000d85fea13 x12: ffff8000d9f488b0
[ 3.261778] x11: 0000000005f5e0ff x10: 0000000000000040
[ 3.267734] x9 : ffff8000d91bae18 x8 : ffff8000d981efe8
[ 3.267755] x7 : ffff8000d981f128 x6 : 000000000000000a
[ 3.267776] x5 : 0000000000000040
[ 3.273347] l29: Bringing 0uV into 2800000-2800000uV
[ 3.278323] x4 : ffffffffffffffff
[ 3.278338] x3 : 000000000000000a x2 : 00000000ffffffc6
[ 3.278359] x1 : ffff000009d3eec8 x0 : 00000000000000f3
[ 3.282026] l29: ramp_delay not set
[ 3.292566] Call trace:
[ 3.292581] msm_pinmux_set_mux+0xc8/0x150
[ 3.292590] msm_pinmux_request_gpio+0x5c/0x68
[ 3.292599] pin_request+0x154/0x2c0
[ 3.292608] pinmux_request_gpio+0x60/0xa0
[ 3.296080] l29: 2800 mV
[ 3.301503] pinctrl_gpio_request+0x148/0x1d8
[ 3.301514] gpiochip_generic_request+0x2c/0x38
[ 3.301523] gpiod_request_commit+0xc4/0x1a0
[ 3.301532] gpiod_request+0x6c/0x110
[ 3.301544] gpiod_get_index+0x134/0x360
[ 3.322166] devm_gpiod_get_index+0x64/0xc0
[ 3.322174] devm_gpiod_get_optional+0x38/0x58
[ 3.322185] qcom_pcie_probe+0xa4/0x230
[ 3.322197] platform_drv_probe+0x58/0xa8
[ 3.322207] really_probe+0x280/0x3d8
[ 3.322215] driver_probe_device+0x60/0x148
[ 3.322224] __driver_attach+0x144/0x148
[ 3.322233] bus_for_each_dev+0x84/0xd8
[ 3.322241] driver_attach+0x30/0x40
[ 3.322250] bus_add_driver+0x234/0x2a8
[ 3.322258] driver_register+0x64/0x110
[ 3.322267] __platform_driver_register+0x54/0x60
[ 3.322279] qcom_pcie_driver_init+0x20/0x28
[ 3.322290] do_one_initcall+0x94/0x3f8
[ 3.322301] kernel_init_freeable+0x47c/0x528
[ 3.322315] kernel_init+0x18/0x110
[ 3.322323] ret_from_fork+0x10/0x1c


If I revert patch 2/3 and 3/3 in this series, the warning goes away.


Kind regards,
Niklas

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