On Sat, Jul 31, 2021 at 4:15 AM Andy Shevchenko <andriy.shevche...@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.shevche...@linux.intel.com> > --- > arch/x86/cpu/tangier/acpi.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) >
Reviewed-by: Bin Meng <bmeng...@gmail.com>