On Wednesday, September 09, 2015 07:16:49 PM Suthikulpanit, Suravee wrote: > Hi All, > > Are there any other concerns about this patch series? I have none, but then it sort of missed the merge window. I can easily queue it up for the next one unless it is super-urgent, but in that case I need to know why that's the case. > 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(-) > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-acpi" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
