[PATCH v8 06/16] drivers: iommu: arm-smmu-v3: convert struct device of_node to fwnode usage

Will Deacon will.deacon at arm.com
Fri Nov 18 06:50:41 PST 2016


On Wed, Nov 16, 2016 at 03:29:26PM +0000, Lorenzo Pieralisi wrote:
> Current ARM SMMU v3 driver rely on the struct device.of_node pointer for
> device look-up and iommu_ops retrieval.
> 
> In preparation for ACPI probing enablement, convert the driver to use
> the struct device.fwnode member for device and iommu_ops look-up so that
> the driver infrastructure can be used also on systems that do not
> associate an of_node pointer to a struct device (eg ACPI), making the
> device look-up and iommu_ops retrieval firmware agnostic.
> 
> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi at arm.com>
> Reviewed-by: Robin Murphy <robin.murphy at arm.com>
> Reviewed-by: Tomasz Nowicki <tn at semihalf.com>
> Tested-by: Hanjun Guo <hanjun.guo at linaro.org>
> Tested-by: Tomasz Nowicki <tn at semihalf.com>
> Cc: Will Deacon <will.deacon at arm.com>
> Cc: Hanjun Guo <hanjun.guo at linaro.org>
> Cc: Robin Murphy <robin.murphy at arm.com>
> ---
>  drivers/iommu/arm-smmu-v3.c | 12 +++++++-----
>  1 file changed, 7 insertions(+), 5 deletions(-)

Acked-by: Will Deacon <will.deacon at arm.com>

Will



More information about the linux-arm-kernel mailing list