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From: Marek Szyprowski <m.szyprowski@samsung.com>
To: Rob Herring <robh@kernel.org>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
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Subject: Re: [PATCH v2 00/16] PCI: dwc: Another round of clean-ups
Date: Fri, 6 Nov 2020 10:17:06 +0100	[thread overview]
Message-ID: <7eb813b3-41cc-a88c-0261-ba31995aaeb4@samsung.com> (raw)
In-Reply-To: <20201105211159.1814485-1-robh@kernel.org>

Hi Rob,

On 05.11.2020 22:11, Rob Herring wrote:
> Here's another batch of DWC PCI host refactoring. This series primarily
> moves more of the MSI, link up, and resource handling to the core
> code. Beyond a couple of minor fixes, new in this version is runtime
> detection of iATU regions instead of using DT properties.

iATU detection seems to work fine with 
https://lore.kernel.org/linux-samsung-soc/20201029134017.27400-1-m.szyprowski@samsung.com/ 
on top of your patchset on Samsung Exynos5433 SoC:

exynos-pcie 15700000.pcie: host bridge /soc@0/pcie@15700000 ranges:
exynos-pcie 15700000.pcie:       IO 0x000c001000..0x000c010fff -> 
0x0000000000
exynos-pcie 15700000.pcie:      MEM 0x000c011000..0x000ffffffe -> 
0x000c011000
exynos-pcie 15700000.pcie: iATU unroll: disabled
exynos-pcie 15700000.pcie: Detected iATU regions: 3 outbound, 5 inbound
exynos-pcie 15700000.pcie: Link up
exynos-pcie 15700000.pcie: PCI host bridge to bus 0000:00

Fell free to add my:

Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>

> No doubt I've probably broken something. Please test. I've run this thru
> kernelci and checked boards with DWC PCI which currently is just
> Layerscape boards (hint: add boards and/or enable PCI). A git branch is
> here[1].
>
> This is dependent on "PCI: dwc: Restore ATU memory resource setup to use
> last entry" which will be in v5.10-rc3.
>
> Rob
>
> [1] git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git pci-more-dwc-cleanup
>
> Rob Herring (16):
>    PCI: dwc: Support multiple ATU memory regions
>    PCI: dwc/intel-gw: Move ATU offset out of driver match data
>    PCI: dwc: Move "dbi", "dbi2", and "addr_space" resource setup into
>      common code
>    PCI: dwc/intel-gw: Remove some unneeded function wrappers
>    PCI: dwc: Ensure all outbound ATU windows are reset
>    PCI: dwc/dra7xx: Use the common MSI irq_chip
>    PCI: dwc: Drop the .set_num_vectors() host op
>    PCI: dwc: Move MSI interrupt setup into DWC common code
>    PCI: dwc: Rework MSI initialization
>    PCI: dwc: Move link handling into common code
>    PCI: dwc: Move dw_pcie_msi_init() into core
>    PCI: dwc: Move dw_pcie_setup_rc() to DWC common code
>    PCI: dwc: Remove unnecessary wrappers around dw_pcie_host_init()
>    Revert "PCI: dwc/keystone: Drop duplicated 'num-viewport'"
>    PCI: dwc: Move inbound and outbound windows to common struct
>    PCI: dwc: Detect number of iATU windows
>
>   drivers/pci/controller/dwc/pci-dra7xx.c       | 141 +-----------------
>   drivers/pci/controller/dwc/pci-exynos.c       |  50 ++-----
>   drivers/pci/controller/dwc/pci-imx6.c         |  39 +----
>   drivers/pci/controller/dwc/pci-keystone.c     |  79 ++--------
>   .../pci/controller/dwc/pci-layerscape-ep.c    |  37 +----
>   drivers/pci/controller/dwc/pci-layerscape.c   |  67 +--------
>   drivers/pci/controller/dwc/pci-meson.c        |  53 ++-----
>   drivers/pci/controller/dwc/pcie-al.c          |  29 +---
>   drivers/pci/controller/dwc/pcie-armada8k.c    |  37 ++---
>   drivers/pci/controller/dwc/pcie-artpec6.c     |  76 +---------
>   .../pci/controller/dwc/pcie-designware-ep.c   |  58 +++----
>   .../pci/controller/dwc/pcie-designware-host.c | 139 ++++++++++-------
>   .../pci/controller/dwc/pcie-designware-plat.c |  70 +--------
>   drivers/pci/controller/dwc/pcie-designware.c  |  93 +++++++++++-
>   drivers/pci/controller/dwc/pcie-designware.h  |  24 +--
>   drivers/pci/controller/dwc/pcie-histb.c       |  37 ++---
>   drivers/pci/controller/dwc/pcie-intel-gw.c    |  67 ++-------
>   drivers/pci/controller/dwc/pcie-kirin.c       |  62 +-------
>   drivers/pci/controller/dwc/pcie-qcom.c        |  38 +----
>   drivers/pci/controller/dwc/pcie-spear13xx.c   |  62 +++-----
>   drivers/pci/controller/dwc/pcie-tegra194.c    |  41 +----
>   drivers/pci/controller/dwc/pcie-uniphier-ep.c |  38 +----
>   drivers/pci/controller/dwc/pcie-uniphier.c    |  51 +------
>   23 files changed, 356 insertions(+), 1032 deletions(-)
>
> --
> 2.25.1
>
Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland


  parent reply	other threads:[~2020-11-06  9:17 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20201105211208eucas1p29087cdd73805e670aff9f3a43f644e05@eucas1p2.samsung.com>
2020-11-05 21:11 ` [PATCH v2 00/16] PCI: dwc: Another round of clean-ups Rob Herring
2020-11-05 21:11   ` [PATCH v2 01/16] PCI: dwc: Support multiple ATU memory regions Rob Herring
2020-11-05 21:11   ` [PATCH v2 02/16] PCI: dwc/intel-gw: Move ATU offset out of driver match data Rob Herring
2020-11-05 21:11   ` [PATCH v2 03/16] PCI: dwc: Move "dbi", "dbi2", and "addr_space" resource setup into common code Rob Herring
2020-11-05 21:11   ` [PATCH v2 04/16] PCI: dwc/intel-gw: Remove some unneeded function wrappers Rob Herring
2020-11-05 21:11   ` [PATCH v2 05/16] PCI: dwc: Ensure all outbound ATU windows are reset Rob Herring
2020-11-05 21:11   ` [PATCH v2 06/16] PCI: dwc/dra7xx: Use the common MSI irq_chip Rob Herring
2020-11-05 21:11   ` [PATCH v2 07/16] PCI: dwc: Drop the .set_num_vectors() host op Rob Herring
2020-11-05 21:11   ` [PATCH v2 08/16] PCI: dwc: Move MSI interrupt setup into DWC common code Rob Herring
2020-11-05 21:11   ` [PATCH v2 09/16] PCI: dwc: Rework MSI initialization Rob Herring
2020-11-09  2:53     ` Jisheng Zhang
2020-11-05 21:11   ` [PATCH v2 10/16] PCI: dwc: Move link handling into common code Rob Herring
2020-11-05 21:11   ` [PATCH v2 11/16] PCI: dwc: Move dw_pcie_msi_init() into core Rob Herring
2020-11-05 21:11   ` [PATCH v2 12/16] PCI: dwc: Move dw_pcie_setup_rc() to DWC common code Rob Herring
2020-11-05 21:11   ` [PATCH v2 13/16] PCI: dwc: Remove unnecessary wrappers around dw_pcie_host_init() Rob Herring
2020-11-05 21:11   ` [PATCH v2 14/16] Revert "PCI: dwc/keystone: Drop duplicated 'num-viewport'" Rob Herring
2020-11-05 21:11   ` [PATCH v2 15/16] PCI: dwc: Move inbound and outbound windows to common struct Rob Herring
2020-11-05 21:11   ` [PATCH v2 16/16] PCI: dwc: Detect number of iATU windows Rob Herring
2020-11-06  9:17   ` Marek Szyprowski [this message]
2020-11-19 11:01   ` [PATCH v2 00/16] PCI: dwc: Another round of clean-ups Lorenzo Pieralisi

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