linux-kernel - [PATCH v8 0/2 RESEND] add the Amlogic Meson PCIe controller driver

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Message-ID: <1545120286-129258-1-git-send-email-hanjie.lin@amlogic.com>
Date:   Tue, 18 Dec 2018 16:04:44 +0800
From:   Hanjie Lin <hanjie.lin@...ogic.com>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>
CC:     Hanjie Lin <hanjie.lin@...ogic.com>,
        Kevin Hilman <khilman@...libre.com>,
        Carlo Caione <carlo@...one.org>,
        Jerome Brunet <jbrunet@...libre.com>,
        Rob Herring <robh@...nel.org>,
        Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
        Shawn Lin <shawn.lin@...k-chips.com>,
        Philippe Ombredanne <pombredanne@...b.com>,
        Cyrille Pitchen <cyrille.pitchen@...e-electrons.com>,
        <linux-kernel@...r.kernel.org>, <linux-pci@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-amlogic@...ts.infradead.org>,
        Yixun Lan <yixun.lan@...ogic.com>,
        Liang Yang <liang.yang@...ogic.com>,
        Jianxin Pan <jianxin.pan@...ogic.com>,
        Qiufang Dai <qiufang.dai@...ogic.com>,
        Jian Hu <jian.hu@...ogic.com>, <devicetree@...r.kernel.org>
Subject: [PATCH v8 0/2 RESEND] add the Amlogic Meson PCIe controller driver

The Amlogic Meson PCIe host controller is based on the Synopsys DesignWare
PCI core. This patchset add the driver and dt-bindings of the controller.

Changes since v7: [6]
 - include files in alphabetical order
 - get rid of unused MACROs and variables
 - optimize meson_pcie_link_up() while loop
 - correct cover-letter version

Changes since v6: [5]
 - fix bad usage of ERR_PTR(ENXIO)
 - fix meson_pcie_rd_own_conf() when read PCI_CLASS_DEVICE reg 

Changes since v5: [4]
 - update MAINTAINER file in alphabetical order
 - remove meaningless comment
 - use ERR_PTR function instead of (void *) cast
 - use is_power_of_2(size) instead of size & (size - 1)
 - add comment for PCI_CLASS_REVISION register operation
 
Changes since v4: [3]
 - fix kbuild test robot and compile warnings

Changes since v3: [2]
 - modify subject format
 - update Kconfig
 - update MAINTAINER file
 - add comment and error handle for meson_pcie_get_mem_shared()
 - drop useless initialization code
 - add comment for meson_size_to_payload()
 - optimize meson_pcie_establish_link() return code
 - optimize meson_pcie_enable_interrupts() redundant function
 - drop device_attch related code
 - drop dw_pcie_ops read_dbi and write_dbi function
 - add error handle for meson_add_pcie_port() when probe

Changes since v2: [1]
 - abandon phy driver, move reset to the controller
 - use devm_add_action_or_reset() to use clock res
 - format correcting

Changes since v1: [0]
 - use gpio lib instead open code
 - move 'apb' and 'port' reset from phy driver
 - format correcting

[0] : https://lkml.kernel.org/r/1534227522-186798-1-git-send-email-hanjie.lin@amlogic.com
[1] : https://lkml.kernel.org/r/1535096165-45827-1-git-send-email-hanjie.lin@amlogic.com
[2] : https://lkml.kernel.org/r/1537509820-52040-1-git-send-email-hanjie.lin@amlogic.com 
[3] : https://lkml.kernel.org/r/1538999834-156423-3-git-send-email-hanjie.lin@amlogic.com
[4] : https://lkml.kernel.org/r/1539049990-30810-1-git-send-email-hanjie.lin@amlogic.com
[5] : https://lkml.kernel.org/r/1542876836-191355-1-git-send-email-hanjie.lin@amlogic.com
[6] : https://lkml.kernel.org/r/1544097760-85834-1-git-send-email-hanjie.lin@amlogic.com

Yue Wang (2):
  dt-bindings: PCI: meson: add DT bindings for Amlogic Meson PCIe
    controller
  PCI: amlogic: Add the Amlogic Meson PCIe controller driver

 .../devicetree/bindings/pci/amlogic,meson-pcie.txt |  70 +++
 MAINTAINERS                                        |   7 +
 drivers/pci/controller/dwc/Kconfig                 |  10 +
 drivers/pci/controller/dwc/Makefile                |   1 +
 drivers/pci/controller/dwc/pci-meson.c             | 595 +++++++++++++++++++++
 5 files changed, 683 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pci/amlogic,meson-pcie.txt
 create mode 100644 drivers/pci/controller/dwc/pci-meson.c

-- 
2.7.4