Not sure if this went out earlier. So I am resending.
On 5/22/15 16:56, Rafael J. Wysocki wrote:
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c >index 39c485b..b9657af 100644 >--- a/drivers/acpi/glue.c >+++ b/drivers/acpi/glue.c >@@ -13,6 +13,7 @@ > #include <linux/slab.h> > #include <linux/rwsem.h> > #include <linux/acpi.h> >+#include <linux/dma-mapping.h> > > #include "internal.h" > >@@ -167,6 +168,7 @@ int acpi_bind_one(struct device *dev, struct acpi_device *acpi_dev) > struct list_head *physnode_list; > unsigned int node_id; > int retval = -EINVAL; >+ bool coherent; > > if (has_acpi_companion(dev)) { > if (acpi_dev) { >@@ -223,6 +225,9 @@ int acpi_bind_one(struct device *dev, struct acpi_device *acpi_dev) > if (!has_acpi_companion(dev)) > ACPI_COMPANION_SET(dev, acpi_dev); > >+ if (acpi_check_dma(acpi_dev, &coherent)) >+ arch_setup_dma_ops(dev, 0, 0, NULL, coherent); >+Well, so is this going to work for PCI too after all?
No, as Bjorn suggested, PCI changes for setting DMA coherent from _CCA (patch 3/6 in V4) will be submitted separately. We are working on cleaning up and up-streaming the PCI ACPI support for ARM64.
Thanks, Suravee -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
