linux-kernel - Re: v6.8.0-rc6: mei_ace_probe / mei_vsc_probe: do not call blocking ops when !TASK

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Date: Thu, 29 Feb 2024 08:21:42 +0100
From: Dominik Brodowski <linux@...inikbrodowski.net>
To: Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc: tomas.winkler@...el.com, mchehab@...nel.org, wentong.wu@...el.com,
	hverkuil-cisco@...all.nl, linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: v6.8.0-rc6: mei_ace_probe / mei_vsc_probe: do not call blocking
 ops when !TASK_RUNNING

Hi Sakari,

many thanks, this patch helps. Another issue persists, though:


$ dmesg | cut -c16- | grep -E "(mei|vsc)"
mei_me 0000:00:16.0: enabling device (0000 -> 0002)
mei_hdcp 0000:00:16.0-b638ab7e-94e2-4ea2-a552-d1c54b627f04: bound 0000:00:02.0 (ops i915_hdcp_ops)
mei_pxp 0000:00:16.0-fbf6fcf1-96cf-4e2e-a6a6-1bab8cbe36b1: bound 0000:00:02.0 (ops i915_pxp_tee_component_ops)
intel_vsc intel_vsc: silicon stepping version is 0:2
mei intel_vsc-92335fcf-3203-4472-af93-7b4453ac29da: deferred probe pending: (reason unknown)
mei intel_vsc-5db76cf6-0a68-4ed6-9b78-0361635e2447: deferred probe pending: (reason unknown)


During suspend entry (s2idle), the following messages are emitted:

ACPI Warning: \_SB.PC00.SPI1.SPFD.CVFD.SID: Insufficient arguments - Caller passed 0, method requires 1 (20230628/nsarguments-232)
intel_vsc intel_vsc: silicon stepping version is 0:2
PM: Some devices failed to suspend, or early wake event detected
ACPI Warning: \_SB.PC00.SPI1.SPFD.CVFD.SID: Insufficient arguments - Caller passed 0, method requires 1 (20230628/nsarguments-232)
intel_vsc intel_vsc: silicon stepping version is 0:2
vsc-tp spi-INTC1094:00: wakeup firmware failed ret: -110
vsc-tp spi-INTC1094:00: wakeup firmware failed ret: -110
intel_vsc intel_vsc: wait fw ready failed: -110
intel_vsc intel_vsc: hw_start failed ret = -110 fw status = 
intel_vsc intel_vsc: unexpected reset: dev_state = RESETTING fw status = 
ACPI Warning: \_SB.PC00.SPI1.SPFD.CVFD.SID: Insufficient arguments - Caller passed 0, method requires 1 (20230628/nsarguments-232)
intel_vsc intel_vsc: silicon stepping version is 0:2


Any ideas?

Thanks,
	Dominik