[PATCH v1 1/1] x86: tangier: Fix DMA controller IRQ polarity in CSRT

[Bin Meng]

On Sat, Jul 31, 2021 at 4:15 AM Andy Shevchenko
<andriy.shevchenko at linux.intel.com> wrote:
>
> IRQ polarity in CSRT has the same definition as by ACPI specification
> chapter 19.6.64 "Interrupt (Interrupt Resource Descriptor Macro)", i.e.
> ActiveHigh is 0, and ActiveLow is 1. On Intel Tangier the DMA controller
> IRQ polarity is ActiveHigh.
>
> Note, in DSDT (see southcluster.asl) it's described correctly.
>
> Fixes: 5e99fde34a77 ("x86: tangier: Populate CSRT for shared DMA controller")
> Signed-off-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
> ---
>  arch/x86/cpu/tangier/acpi.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>