From: suravee.suthikulpanit@amd•com (Suthikulpanit, Suravee)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH V3 0/4] PCI: ACPI: Setting up DMA coherency for PCI device from _CCA attribute
Date: Wed, 9 Sep 2015 19:16:49 +0700 [thread overview]
Message-ID: <55F02331.2060001@amd.com> (raw)
In-Reply-To: <1440597279-11802-1-git-send-email-Suravee.Suthikulpanit@amd.com>
Hi All,
Are there any other concerns about this patch series?
Thanks,
Suravee
On 8/26/2015 8:54 PM, Suravee Suthikulpanit wrote:
> This patch adds support to setup DMA coherency for PCI device using
> the ACPI _CCA attribute. According to the ACPI spec, the _CCA attribute
> is required for ARM64. Therefore, this patch is a pre-req for ACPI PCI
> support for ARM64 which is currently in development.
>
> Also, this should not affect other architectures that does not define
> CONFIG_ACPI_CCA_REQUIRED, since the default value is coherent.
>
> I have included the following patch from Jeremy before cleaning up
> the acpi_check_dma() function (in patch 2).
>
> http://www.spinics.net/lists/linux-usb/msg128582.html)
>
> Changes from V2: (https://lkml.org/lkml/2015/8/25/549)
> * Return -ENOSUPP instead of -1 (per Rafael's suggestion)
> * Add WARN() when fail to setup DMA for PCI device when booting
> ACPI (per Arnd's suggestion)
> * Added Acked-by from Rob.
> * Minor clean up
>
> Changes from V1: (https://lkml.org/lkml/2015/8/13/182)
> * Include patch 1 from Jeremy to enable support for _CCA=0
> * Clean up acpi_check_dma() per Bjorn suggestions
> * Split the original V1 patch into two patches (patch 3 and 4)
>
>
> Jeremy Linton (1):
> Honor ACPI _CCA attribute setting
>
> Suravee Suthikulpanit (3):
> ACPI/scan: Clean up acpi_check_dma
> PCI: OF: Move of_pci_dma_configure() to pci_dma_configure()
> PCI: ACPI: Add support for PCI device DMA coherency
>
> drivers/acpi/acpi_platform.c | 7 ++++++-
> drivers/acpi/glue.c | 6 +++---
> drivers/acpi/scan.c | 39 +++++++++++++++++++++++++++++++++++++++
> drivers/base/property.c | 10 +++++++---
> drivers/of/of_pci.c | 20 --------------------
> drivers/pci/probe.c | 35 +++++++++++++++++++++++++++++++++--
> include/acpi/acpi_bus.h | 35 ++---------------------------------
> include/linux/acpi.h | 4 ++--
> include/linux/of_pci.h | 3 ---
> 9 files changed, 92 insertions(+), 67 deletions(-)
>
next prev parent reply other threads:[~2015-09-09 12:16 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-26 13:54 [PATCH V3 0/4] PCI: ACPI: Setting up DMA coherency for PCI device from _CCA attribute Suravee Suthikulpanit
2015-08-26 13:54 ` [PATCH V3 1/4] Honor ACPI _CCA attribute setting Suravee Suthikulpanit
2015-08-26 13:54 ` [PATCH V3 2/4] ACPI/scan: Clean up acpi_check_dma Suravee Suthikulpanit
2015-09-14 16:34 ` Bjorn Helgaas
2015-10-13 15:52 ` Suravee Suthikulpanit
2015-10-13 23:53 ` Suravee Suthikulanit
2015-10-20 2:17 ` Bjorn Helgaas
2015-10-20 12:53 ` Suravee Suthikulpanit
2015-08-26 13:54 ` [PATCH V3 3/4] PCI: OF: Move of_pci_dma_configure() to pci_dma_configure() Suravee Suthikulpanit
2015-08-26 13:54 ` [PATCH V3 4/4] PCI: ACPI: Add support for PCI device DMA coherency Suravee Suthikulpanit
2015-09-09 12:16 ` Suthikulpanit, Suravee [this message]
2015-09-09 20:38 ` [PATCH V3 0/4] PCI: ACPI: Setting up DMA coherency for PCI device from _CCA attribute Rafael J. Wysocki
2015-09-10 2:48 ` Suthikulpanit, Suravee
2015-10-12 19:51 ` Suravee Suthikulpanit
2015-10-12 20:27 ` Rafael J. Wysocki
2015-10-12 20:02 ` Suravee Suthikulpanit
2015-09-10 9:15 ` Hanjun Guo
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