From mboxrd@z Thu Jan 1 00:00:00 1970 From: Magnus Damm Subject: [PATCH v5 04/07] iommu/ipmmu-vmsa: Break out domain allocation code Date: Tue, 20 Sep 2016 22:44:36 +0900 Message-ID: <20160920134436.25470.94761.sendpatchset@little-apple> References: <20160920134355.25470.93701.sendpatchset@little-apple> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20160920134355.25470.93701.sendpatchset@little-apple> 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: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Cc: laurent.pinchart+renesas-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org, geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org, Magnus Damm , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-renesas-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, horms+renesas-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org List-Id: iommu@lists.linux-foundation.org From: Magnus Damm Break out the domain allocation code into a separate function. This is preparation for future code sharing. Signed-off-by: Magnus Damm --- Changes since V4: - None Changes since V3: - None Changes since V2: - Included this new patch as-is from the following series: [PATCH 00/04] iommu/ipmmu-vmsa: IPMMU CONFIG_IOMMU_DMA update drivers/iommu/ipmmu-vmsa.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) --- 0008/drivers/iommu/ipmmu-vmsa.c +++ work/drivers/iommu/ipmmu-vmsa.c 2016-09-20 21:56:59.220607110 +0900 @@ -507,13 +507,10 @@ static irqreturn_t ipmmu_irq(int irq, vo * IOMMU Operations */ -static struct iommu_domain *ipmmu_domain_alloc(unsigned type) +static struct iommu_domain *__ipmmu_domain_alloc(unsigned type) { struct ipmmu_vmsa_domain *domain; - if (type != IOMMU_DOMAIN_UNMANAGED) - return NULL; - domain = kzalloc(sizeof(*domain), GFP_KERNEL); if (!domain) return NULL; @@ -523,6 +520,14 @@ static struct iommu_domain *ipmmu_domain return &domain->io_domain; } +static struct iommu_domain *ipmmu_domain_alloc(unsigned type) +{ + if (type != IOMMU_DOMAIN_UNMANAGED) + return NULL; + + return __ipmmu_domain_alloc(type); +} + static void ipmmu_domain_free(struct iommu_domain *io_domain) { struct ipmmu_vmsa_domain *domain = to_vmsa_domain(io_domain);