diff --git a/drivers/dma/acpi-dma.c b/drivers/dma/acpi-dma.c index 16d0daa058a5..eed6bda01790 100644 --- a/drivers/dma/acpi-dma.c +++ b/drivers/dma/acpi-dma.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -72,7 +73,9 @@ static int acpi_dma_parse_resource_group(const struct acpi_csrt_group *grp, si = (const struct acpi_csrt_shared_info *)&grp[1]; /* Match device by MMIO and IRQ */ - if (si->mmio_base_low != mem || si->gsi_interrupt != irq) + if (si->mmio_base_low != lower_32_bits(mem) || + si->mmio_base_high != upper_32_bits(mem) || + si->gsi_interrupt != irq) return 0; dev_dbg(&adev->dev, "matches with %.4s%04X (rev %u)\n",