We need to ensure that the IOMMUs in the system have a chance to perform some basic initialisation before we start adding masters to them.
This patch adds a call to of_iommu_init before of_platform_populate. Signed-off-by: Will Deacon <[email protected]> --- arch/arm/kernel/setup.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 84db893dedc2..38a0203523af 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -18,6 +18,7 @@ #include <linux/bootmem.h> #include <linux/seq_file.h> #include <linux/screen_info.h> +#include <linux/of_iommu.h> #include <linux/of_platform.h> #include <linux/init.h> #include <linux/kexec.h> @@ -803,9 +804,11 @@ static int __init customize_machine(void) if (machine_desc->init_machine) machine_desc->init_machine(); #ifdef CONFIG_OF - else + else { + of_iommu_init(); of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + } #endif return 0; } -- 2.1.0 _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
