From: Rob Herring <robh@kernel.org>
To: "zhichang.yuan" <yuanzhichang@hisilicon.com>
Cc: catalin.marinas@arm.com, will.deacon@arm.com,
frowand.list@gmail.com, bhelgaas@google.com, rafael@kernel.org,
mark.rutland@arm.com, brian.starkey@arm.com, olof@lixom.net,
arnd@arndb.de, linux-arm-kernel@lists.infradead.org,
lorenzo.pieralisi@arm.com, benh@kernel.crashing.org,
linux-kernel@vger.kernel.org, linuxarm@huawei.com,
devicetree@vger.kernel.org, linux-pci@vger.kernel.org,
linux-serial@vger.kernel.org, minyard@acm.org,
liviu.dudau@arm.com, zourongrong@gmail.com,
john.garry@huawei.com, gabriele.paoloni@huawei.com,
zhichang.yuan02@gmail.com, kantyzc@163.com, xuwei5@hisilicon.com
Subject: Re: [PATCH V6 4/5] LPC: Support the device-tree LPC host on Hip06/Hip07
Date: Fri, 27 Jan 2017 16:12:26 -0600 [thread overview]
Message-ID: <20170127221226.wlii3fv7tm4to7ie@rob-hp-laptop> (raw)
In-Reply-To: <1485241525-201782-5-git-send-email-yuanzhichang@hisilicon.com>
On Tue, Jan 24, 2017 at 03:05:24PM +0800, zhichang.yuan wrote:
> The low-pin-count(LPC) interface of Hip06/Hip07 accesses the peripherals in
> I/O port addresses. This patch implements the LPC host controller driver which
> perform the I/O operations on the underlying hardware.
> We don't want to touch those existing peripherals' driver, such as ipmi-bt. So
> this driver applies the indirect-IO introduced in the previous patch after
> registering an indirect-IO node to the indirect-IO devices list which will be
> searched in the I/O accessors.
> As the I/O translations for LPC children depend on the host I/O registration,
> we should ensure the host I/O registration is finished before all the LPC
> children scanning. That is why an arch_init() hook was added in this patch.
>
> Signed-off-by: zhichang.yuan <yuanzhichang@hisilicon.com>
> Signed-off-by: Gabriele Paoloni <gabriele.paoloni@huawei.com>
> ---
> .../arm/hisilicon/hisilicon-low-pin-count.txt | 33 ++
> MAINTAINERS | 9 +
> arch/arm64/boot/dts/hisilicon/hip06-d03.dts | 4 +
> arch/arm64/boot/dts/hisilicon/hip06.dtsi | 14 +
Acked-by: Rob Herring <robh@kernel.org>
> drivers/bus/Kconfig | 8 +
> drivers/bus/Makefile | 1 +
> drivers/bus/hisi_lpc.c | 599 +++++++++++++++++++++
> 7 files changed, 668 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/arm/hisilicon/hisilicon-low-pin-count.txt
> create mode 100644 drivers/bus/hisi_lpc.c
next prev parent reply other threads:[~2017-01-27 22:17 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-24 7:05 [PATCH V6 0/5] LPC: legacy ISA I/O support zhichang.yuan
2017-01-24 7:05 ` [PATCH V6 1/5] LIB: Indirect ISA/LPC port IO introduced zhichang.yuan
2017-01-30 17:12 ` Alexander Graf
2017-01-31 13:32 ` John Garry
2017-01-31 19:37 ` Alexander Graf
2017-02-01 12:29 ` Gabriele Paoloni
2017-02-13 14:17 ` zhichang.yuan
2017-02-14 13:17 ` Alexander Graf
2017-02-13 14:05 ` zhichang.yuan
2017-02-14 13:15 ` Alexander Graf
2017-01-31 0:09 ` Bjorn Helgaas
2017-01-31 13:34 ` John Garry
2017-01-24 7:05 ` [PATCH V6 2/5] PCI: Adapt pci_register_io_range() for indirect-IO and PCI I/O translation zhichang.yuan
2017-01-31 0:10 ` Bjorn Helgaas
2017-01-31 13:39 ` John Garry
2017-01-31 0:15 ` Bjorn Helgaas
2017-02-04 12:59 ` John Garry
2017-02-02 17:36 ` John Garry
2017-02-02 23:00 ` Rafael J. Wysocki
2017-01-24 7:05 ` [PATCH V6 3/5] OF: Add missing I/O range exception for indirect-IO devices zhichang.yuan
2017-01-27 22:03 ` Rob Herring
2017-01-30 8:57 ` John Garry
2017-01-30 10:08 ` Arnd Bergmann
2017-01-24 7:05 ` [PATCH V6 4/5] LPC: Support the device-tree LPC host on Hip06/Hip07 zhichang.yuan
2017-01-27 22:12 ` Rob Herring [this message]
2017-01-30 20:08 ` Alexander Graf
2017-01-31 10:07 ` John Garry
2017-01-31 11:03 ` Alexander Graf
2017-01-31 11:49 ` John Garry
2017-01-31 11:51 ` Gabriele Paoloni
2017-02-13 14:39 ` zhichang.yuan
2017-02-14 13:29 ` Alexander Graf
2017-02-15 11:35 ` zhichang.yuan
2017-02-15 11:53 ` Alexander Graf
2017-02-16 8:59 ` zhichang.yuan
2017-01-24 7:05 ` [PATCH V5 5/5] LPC: Add the ACPI LPC support zhichang.yuan
2017-02-04 13:20 ` John Garry
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