linux-kernel - [PATCH v8 00/14] iommu/rockchip: Use OF

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Message-Id: <20180323073814.5802-1-jeffy.chen@rock-chips.com>
Date:   Fri, 23 Mar 2018 15:38:00 +0800
From:   Jeffy Chen <jeffy.chen@...k-chips.com>
To:     linux-kernel@...r.kernel.org
Cc:     jcliang@...omium.org, robin.murphy@....com, xxm@...k-chips.com,
        tfiga@...omium.org, Jeffy Chen <jeffy.chen@...k-chips.com>,
        Romain Perier <romain.perier@...labora.com>,
        Yakir Yang <kuankuan.y@...il.com>,
        Arnd Bergmann <arnd@...db.de>, Liang Chen <cl@...k-chips.com>,
        Rob Herring <robh+dt@...nel.org>,
        Shawn Lin <shawn.lin@...k-chips.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Joerg Roedel <joro@...tes.org>,
        David Wu <david.wu@...k-chips.com>,
        Finley Xiao <finley.xiao@...k-chips.com>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Jacob Chen <jacob-chen@...wrt.com>,
        Kever Yang <kever.yang@...k-chips.com>,
        Brian Norris <briannorris@...omium.org>,
        linux-rockchip@...ts.infradead.org,
        Rocky Hao <rocky.hao@...k-chips.com>,
        Will Deacon <will.deacon@....com>,
        Nickey Yang <nickey.yang@...k-chips.com>,
        devicetree@...r.kernel.org, Mark Yao <markyao0591@...il.com>,
        Russell King <linux@...linux.org.uk>,
        linux-arm-kernel@...ts.infradead.org,
        Sugar Zhang <sugar.zhang@...k-chips.com>,
        iommu@...ts.linux-foundation.org, Caesar Wang <wxt@...k-chips.com>,
        Mark Rutland <mark.rutland@....com>
Subject: [PATCH v8 00/14] iommu/rockchip: Use OF_IOMMU


This series fixes some issues in rockchip iommu driver, and add of_iommu
support in it.

Changes in v8:
Rebase on newest for-next.
Don't introduce the additional return.
Rename startup()/shutdown() to enable()/disable().
Do runtime PM suspend in .shutdown().
Modify pm_runtime_get_if_in_use()/pm_runtime_put() as Tomasz suggested.

Changes in v7:
Use iommu_group_ref_get to avoid ref leak

Changes in v6:
Add clk names, and modify all iommu nodes in all existing rockchip dts
Fix dt-binding as Robin suggested.
Use aclk and iface clk as Rob and Robin suggested, and split binding
patch.

Changes in v5:
Use out labels to save the duplication between the error and success paths.
Use RK_MMU_POLL_PERIOD_US instead of 100.
Remove clk names.
Use clk_bulk APIs.
Avoid race about pm_runtime_get_if_in_use() and pm_runtime_enabled().

Changes in v4:
Rewrite commit message.

Changes in v3:
Also remove remove() and module_exit() as Tomasz suggested.
Loop platform_get_irq() as Robin suggested.
Add struct rk_iommudata.
Squash iommu/rockchip: Use iommu_group_get_for_dev() for add_device
Only call startup() and shutdown() when iommu attached.
Remove pm_mutex.
Check runtime PM disabled.
Check pm_runtime in rk_iommu_irq().
Remove rk_iommudata->domain.

Changes in v2:
Move irq request to probe(in patch[0])
Move bus_set_iommu() to rk_iommu_probe().

Jeffy Chen (10):
  iommu/rockchip: Prohibit unbind and remove
  iommu/rockchip: Fix error handling in probe
  iommu/rockchip: Request irqs in rk_iommu_probe()
  ARM: dts: rockchip: add clocks in iommu nodes
  dt-bindings: iommu/rockchip: Add clock property
  iommu/rockchip: Use IOMMU device for dma mapping operations
  iommu/rockchip: Use OF_IOMMU to attach devices automatically
  iommu/rockchip: Fix error handling in init
  iommu/rockchip: Add runtime PM support
  iommu/rockchip: Support sharing IOMMU between masters

Tomasz Figa (4):
  iommu/rockchip: Fix error handling in attach
  iommu/rockchip: Use iopoll helpers to wait for hardware
  iommu/rockchip: Fix TLB flush of secondary IOMMUs
  iommu/rockchip: Control clocks needed to access the IOMMU

 .../devicetree/bindings/iommu/rockchip,iommu.txt   |   7 +
 arch/arm/boot/dts/rk3036.dtsi                      |   2 +
 arch/arm/boot/dts/rk322x.dtsi                      |   8 +
 arch/arm/boot/dts/rk3288.dtsi                      |  12 +
 arch/arm64/boot/dts/rockchip/rk3328.dtsi           |  10 +
 arch/arm64/boot/dts/rockchip/rk3368.dtsi           |  10 +
 arch/arm64/boot/dts/rockchip/rk3399.dtsi           |  14 +-
 drivers/iommu/rockchip-iommu.c                     | 600 +++++++++++----------
 8 files changed, 363 insertions(+), 300 deletions(-)

-- 
2.11.0