From mboxrd@z Thu Jan 1 00:00:00 1970 From: Will Deacon Subject: Re: [PATCH v8 05/16] drivers: iommu: arm-smmu: convert struct device of_node to fwnode usage Date: Fri, 18 Nov 2016 14:49:53 +0000 Message-ID: <20161118144953.GR13470@arm.com> References: <20161116152936.22955-1-lorenzo.pieralisi@arm.com> <20161116152936.22955-6-lorenzo.pieralisi@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20161116152936.22955-6-lorenzo.pieralisi-5wv7dgnIgG8@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Lorenzo Pieralisi Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Marc Zyngier , Tomasz Nowicki , "Rafael J. Wysocki" , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Sinan Kaya , iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Jon Masters , Dennis Chen , Prem Mallappa List-Id: iommu@lists.linux-foundation.org On Wed, Nov 16, 2016 at 03:29:25PM +0000, Lorenzo Pieralisi wrote: > Current ARM SMMU 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 > Reviewed-by: Robin Murphy > Reviewed-by: Tomasz Nowicki > Tested-by: Hanjun Guo > Tested-by: Tomasz Nowicki > Cc: Will Deacon > Cc: Hanjun Guo > Cc: Robin Murphy > --- > drivers/iommu/arm-smmu.c | 11 ++++++----- > 1 file changed, 6 insertions(+), 5 deletions(-) Acked-by: Will Deacon Will