linux-kernel - REGRESSION: v5.13-rc1 does not boot because of "of/pci: Add IORESOURCE_MEM_64 to resource flags for 64-bit memory addresses"

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Message-ID: <YMyTUv7Jsd89PGci@m4>
Date:   Fri, 18 Jun 2021 14:36:34 +0200
From:   Domenico Andreoli <domenico.andreoli@...ux.com>
To:     Leonardo Bras <leobras.c@...il.com>
Cc:     Rob Herring <robh@...nel.org>, linux-kernel@...r.kernel.org
Subject: REGRESSION: v5.13-rc1 does not boot because of "of/pci: Add
 IORESOURCE_MEM_64 to resource flags for 64-bit memory addresses"

Hi Leonardo,

Since v5.13-rc1 my NanoPI M4 (arm64 with pcie-attached nvme) does not boot any more.

I could bisect it down to your commit 9d57e61bf72336e13e4cd3c31e93ab26266296a8, just
reverting it from v5.13-rc6 makes the boot happen again.

The .dts file I use is arch/arm64/boot/dts/rockchip/rk3399-nanopi-m4v2.dts.

This is the output of lspci -vv:

00:00.0 PCI bridge: Fuzhou Rockchip Electronics Co., Ltd RK3399 PCI Express Root Port (prog-if 00 [Normal decode])
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 90
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
	I/O behind bridge: 00000000-00000fff [size=4K]
	Memory behind bridge: fa000000-fa0fffff [size=1M]
	Prefetchable memory behind bridge: 00000000-000fffff [size=1M]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

01:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981/PM983 (prog-if 02 [NVM Express])
	Subsystem: Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981/PM983
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 89
	NUMA node: 0
	Region 0: Memory at fa000000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: nvme
	Kernel modules: nvme

Is there anything I can do to help you understanding why this is happening?

I apologize for not having bisected it earlier.

Kind regards,
Domenico

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