From: JeffyChen <jeffy.chen@rock-chips.com>
To: Randy Li <randy.li@rock-chips.com>,
Robin Murphy <robin.murphy@arm.com>,
linux-kernel@vger.kernel.org, tfiga@chromium.org
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, xxm@rock-chips.com,
Joerg Roedel <joro@8bytes.org>,
jcliang@chromium.org, linux-rockchip@lists.infradead.org,
iommu@lists.linux-foundation.org,
Rob Herring <robh+dt@kernel.org>,
linux-arm-kernel@lists.infradead.org,
Heiko Stuebner <heiko@sntech.de>
Subject: Re: [PATCH v4 08/13] iommu/rockchip: Control clocks needed to access the IOMMU
Date: Mon, 22 Jan 2018 10:15:01 +0800 [thread overview]
Message-ID: <5A654925.9020203@rock-chips.com> (raw)
In-Reply-To: <1f4b3c0d-1414-0012-a072-f4a11f432c21@rock-chips.com>
Hi Randy,
On 01/22/2018 09:18 AM, Randy Li wrote:
>>
> Also the power domain driver could manage the clocks as well, I would
> suggest to use pm_runtime_*.
actually the clocks required by pm domain may not be the same as what we
want to control here, there might be some clocks only be needed when
accessing mmu registers.
but i'm not very sure about that, will confirm it with Simon Xue.
next prev parent reply other threads:[~2018-01-22 2:15 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-18 11:52 [PATCH v4 00/13] iommu/rockchip: Use OF_IOMMU Jeffy Chen
2018-01-18 11:52 ` [PATCH v4 01/13] iommu/rockchip: Prohibit unbind and remove Jeffy Chen
2018-01-18 11:52 ` [PATCH v4 02/13] iommu/rockchip: Fix error handling in probe Jeffy Chen
2018-01-18 11:52 ` [PATCH v4 03/13] iommu/rockchip: Request irqs in rk_iommu_probe() Jeffy Chen
2018-01-18 11:52 ` [PATCH v4 04/13] iommu/rockchip: Fix error handling in attach Jeffy Chen
2018-01-18 13:23 ` Robin Murphy
2018-01-18 14:22 ` JeffyChen
2018-01-18 11:52 ` [PATCH v4 05/13] iommu/rockchip: Use iopoll helpers to wait for hardware Jeffy Chen
2018-01-18 13:09 ` Robin Murphy
2018-01-18 14:11 ` JeffyChen
2018-01-18 11:52 ` [PATCH v4 06/13] iommu/rockchip: Fix TLB flush of secondary IOMMUs Jeffy Chen
2018-01-18 11:52 ` [PATCH v4 07/13] ARM: dts: rockchip: add clocks in vop iommu nodes Jeffy Chen
2018-01-19 3:23 ` Tomasz Figa
2018-01-19 4:55 ` JeffyChen
2018-01-19 5:12 ` Tomasz Figa
2018-01-18 11:52 ` [PATCH v4 08/13] iommu/rockchip: Control clocks needed to access the IOMMU Jeffy Chen
2018-01-18 12:27 ` Robin Murphy
2018-01-18 14:25 ` JeffyChen
2018-01-22 1:18 ` Randy Li
2018-01-22 2:15 ` JeffyChen [this message]
2018-01-22 4:09 ` JeffyChen
2018-01-24 9:51 ` Tomasz Figa
2018-01-25 9:42 ` Randy Li
2018-01-25 10:24 ` JeffyChen
2018-02-23 10:36 ` JeffyChen
2018-01-18 11:52 ` [PATCH v4 09/13] iommu/rockchip: Use IOMMU device for dma mapping operations Jeffy Chen
2018-01-18 12:35 ` Robin Murphy
2018-01-18 11:52 ` [PATCH v4 10/13] iommu/rockchip: Use OF_IOMMU to attach devices automatically Jeffy Chen
2018-01-18 12:46 ` Robin Murphy
2018-01-18 11:52 ` [PATCH v4 11/13] iommu/rockchip: Fix error handling in init Jeffy Chen
2018-01-18 12:47 ` Robin Murphy
2018-01-18 11:52 ` [PATCH v4 12/13] iommu/rockchip: Add runtime PM support Jeffy Chen
2018-01-19 4:01 ` Tomasz Figa
2018-01-18 11:52 ` [PATCH v4 13/13] iommu/rockchip: Support sharing IOMMU between masters Jeffy Chen
2018-01-18 12:49 ` Robin Murphy
2018-01-18 12:44 ` [PATCH v4 00/13] iommu/rockchip: Use OF_IOMMU Joerg Roedel
2018-01-18 14:07 ` JeffyChen
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