[edk2-devel] [PATCH v1 1/1] DynamicTables: Fix DT PCI interrupt flags parsing

[Sami Mujawar]

Pushed as 039bdb4d3e96..fc4a132c0e9d

Regards,

Sami Mujawar

On 27/04/2022 03:49 pm, Pierre.Gondois at arm.com wrote:
> From: Pierre Gondois <pierre.gondois at arm.com>
>
> Device Tree PCI interrupt flags use the convention described at
> linux/Documentation/devicetree/bindings/interrupt-controller/arm,gic.yaml
>
> The 3rd cell is the flags, encoded as follows:
>    bits[3:0] trigger type and level flags.
>    1 = low-to-high edge triggered
>    2 = high-to-low edge triggered (invalid for SPIs)
>    4 = active high level-sensitive
>    8 = active low level-sensitive (invalid for SPIs).
>
> Fix the incorrect code.
>
> Signed-off-by: Pierre Gondois <Pierre.Gondois at arm.com>
> ---
>   .../Library/Acpi/Arm/AcpiSsdtPcieLibArm/SsdtPcieGenerator.c     | 2 +-
>   DynamicTablesPkg/Library/FdtHwInfoParserLib/FdtUtility.h        | 2 +-
>   2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtPcieLibArm/SsdtPcieGenerator.c b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtPcieLibArm/SsdtPcieGenerator.c
> index a34018151f2d..d5b1c153e98f 100644
> --- a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtPcieLibArm/SsdtPcieGenerator.c
> +++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtPcieLibArm/SsdtPcieGenerator.c
> @@ -449,7 +449,7 @@ GeneratePrt (
>       if ((Index > 0)   &&
>           (IrqMapInfo->IntcInterrupt.Interrupt >= 32)   &&
>           (IrqMapInfo->IntcInterrupt.Interrupt < 1020)  &&
> -        ((IrqMapInfo->IntcInterrupt.Flags & 0x3) != BIT0))
> +        ((IrqMapInfo->IntcInterrupt.Flags & 0x3) != 0))
>       {
>         Status = EFI_INVALID_PARAMETER;
>         ASSERT_EFI_ERROR (Status);
> diff --git a/DynamicTablesPkg/Library/FdtHwInfoParserLib/FdtUtility.h b/DynamicTablesPkg/Library/FdtHwInfoParserLib/FdtUtility.h
> index f2f425632b10..3f5d131d9ae5 100644
> --- a/DynamicTablesPkg/Library/FdtHwInfoParserLib/FdtUtility.h
> +++ b/DynamicTablesPkg/Library/FdtHwInfoParserLib/FdtUtility.h
> @@ -60,7 +60,7 @@
>   #define SPI_OFFSET  (32U)
>   #define DT_PPI_IRQ  (1U)
>   #define DT_SPI_IRQ  (0U)
> -#define DT_IRQ_IS_EDGE_TRIGGERED(x)  ((((x) & (BIT0 | BIT2)) != 0))
> +#define DT_IRQ_IS_EDGE_TRIGGERED(x)  ((((x) & (BIT0 | BIT1)) != 0))
>   #define DT_IRQ_IS_ACTIVE_LOW(x)      ((((x) & (BIT1 | BIT3)) != 0))
>   #define IRQ_TYPE_OFFSET    (0U)
>   #define IRQ_NUMBER_OFFSET  (1U)
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