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Filename Latest commit message Latest commit date
Hanjun Guo f907c515ff irqchip/mbigen: Add ACPI support 
With the preparation of platform msi support and interrupt producer
in commit d44fa3d460 ("ACPI: Add support for ResourceSource/IRQ
domain mapping"), we can add mbigen ACPI support now.

Now that the major framework changes are ready, we just need to add
the ACPI probe code which creates the irqdomain for devices connecting
to it.

In order to create the irqdomain, we need to know the number of hw
irqs as input which is provided by mbigen. In DT case, we are using
"num-pins" property to describe it, and we will take advantage of
that too using _DSD in ACPI as there is no standard way of describe
it in ACPI way, also according to the _DSD rule described in
Documentation/acpi/DSD-properties-rules.txt, it doesn't break
the rules.

The DSDT is represented as below:

For mbigen,
  Device(MBI0) {
          Name(_HID, "HISI0152")
          Name(_UID, Zero)
          Name(_CRS, ResourceTemplate() {
                  Memory32Fixed(ReadWrite, 0xa0080000, 0x10000)
          })

         Name(_DSD, Package () {
                 ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
                 Package () {
                         Package () {"num-pins", 378}
                 }
        })
 }

For devices,
 Device(SAS0) {
         Name(_HID, "HISIxxxx")
         Name(_UID, Zero)
         Name(_CRS, ResourceTemplate() {
                 Memory32Fixed(ReadWrite, 0xb0030000, 0x10000)
		 Interrupt(ResourceConsumer,..., "\_SB.MBI0") {12, ...}
         })
 }

So for the devices connected to the mbigen, as we clearly say that
it refers to a specific interrupt controller (mbigen), we can get
the virq from mbigen's irqdomain once it's created successfully.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: MaJun <majun258@huawei.com>
Cc: Al Stone <ahs3@redhat.com>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2017-04-07 10:52:20 +01:00
arch irqchip/faraday: Replace moxa with ftintc010 2017-04-07 10:36:30 +01:00
block blk-mq: don't complete un-started request in timeout handler 2017-03-22 08:03:35 -06:00
certs
crypto net: Work around lockdep limitation in sockets that use sockets 2017-03-09 18:23:27 -08:00
Documentation dt-bindings: mtk-sysirq: Add multiple bases support for Mediatek sysirq 2017-04-07 10:51:48 +01:00
drivers irqchip/mbigen: Add ACPI support 2017-04-07 10:52:20 +01:00
firmware
fs driver core fix for 4.11-rc4 2017-03-26 11:05:42 -07:00
include Char/Misc driver fixes for 4.11-rc4 2017-03-26 11:15:54 -07:00
init Change get_random_{int,log} to use the CRNG used by /dev/urandom and 2017-03-11 09:08:47 -08:00
ipc
kernel Merge branch 'stable-4.11' of git://git.infradead.org/users/pcmoore/audit 2017-03-25 15:13:55 -07:00
lib mm: convert generic code to 5-level paging 2017-03-09 11:48:47 -08:00
mm mm, swap: Remove WARN_ON_ONCE() in free_swap_slot() 2017-03-21 14:13:19 -07:00
net A fix for a writeback deadlock caused by a GFP_KERNEL allocation on the 2017-03-24 14:35:39 -07:00
samples
scripts Merge branch 'akpm' (patches from Andrew) 2017-03-10 08:34:42 -08:00
security
sound ALSA: hda - Adding a group of pin definition to fix headset problem 2017-03-23 09:39:55 +01:00
tools Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-03-23 11:29:49 -07:00
usr
virt KVM: arm/arm64: VGIC: Fix command handling while ITS being disabled 2017-03-07 15:44:08 +00:00
.cocciconfig
.get_maintainer.ignore
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COPYING
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Kbuild
Kconfig
MAINTAINERS enic: update enic maintainers 2017-03-22 12:48:55 -07:00
Makefile Linux 4.11-rc4 2017-03-26 14:15:16 -07:00
README

README 

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.