When an explicit DMA limit is described by firmware, we need to remember it regardless of how drivers might subsequently update their devices' masks. The new bus_dma_mask field does that. CC: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx> CC: Hanjun Guo <hanjun.guo@xxxxxxxxxx> CC: Sudeep Holla <sudeep.holla@xxxxxxx> Signed-off-by: Robin Murphy <robin.murphy@xxxxxxx> --- drivers/acpi/arm64/iort.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c index 4a66896e2aa3..bc51cff5505e 100644 --- a/drivers/acpi/arm64/iort.c +++ b/drivers/acpi/arm64/iort.c @@ -1014,6 +1014,7 @@ void iort_dma_setup(struct device *dev, u64 *dma_addr, u64 *dma_size) * Limit coherent and dma mask based on size * retrieved from firmware. */ + dev->bus_dma_mask = mask; dev->coherent_dma_mask = mask; *dev->dma_mask = mask; } -- 2.17.1.dirty -- 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
