From mboxrd@z Thu Jan 1 00:00:00 1970 From: Will Deacon Subject: [PATCH 5/6] iommu/arm-smmu: remove redundant calculation of gr0 base address Date: Thu, 15 Oct 2015 16:04:23 +0100 Message-ID: <1444921464-14895-6-git-send-email-will.deacon@arm.com> References: <1444921464-14895-1-git-send-email-will.deacon@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1444921464-14895-1-git-send-email-will.deacon-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: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Cc: fabio.estevam-KZfg59tc24xl57MIdRCFDg@public.gmane.org, jroedel-l3A5Bk7waGM@public.gmane.org, marc.zyngier-5wv7dgnIgG8@public.gmane.org, Will Deacon , tchalamarla-M3mlKVOIwJVv6pq1l3V1OdBPR1lH4CV8@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: iommu@lists.linux-foundation.org Since commit 1463fe44fd0f ("iommu/arm-smmu: Don't use VMIDs for stage-1 translations"), we don't need the GR0 base address when initialising a context bank, so remove the useless local variable and its init code. Signed-off-by: Will Deacon --- drivers/iommu/arm-smmu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 9aadf36a0747..7c20a68b5a95 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -709,9 +709,8 @@ static void arm_smmu_init_context_bank(struct arm_smmu_domain *smmu_domain, bool stage1; struct arm_smmu_cfg *cfg = &smmu_domain->cfg; struct arm_smmu_device *smmu = smmu_domain->smmu; - void __iomem *cb_base, *gr0_base, *gr1_base; + void __iomem *cb_base, *gr1_base; - gr0_base = ARM_SMMU_GR0(smmu); gr1_base = ARM_SMMU_GR1(smmu); stage1 = cfg->cbar != CBAR_TYPE_S2_TRANS; cb_base = ARM_SMMU_CB_BASE(smmu) + ARM_SMMU_CB(smmu, cfg->cbndx); -- 2.1.4 From mboxrd@z Thu Jan 1 00:00:00 1970 From: will.deacon@arm.com (Will Deacon) Date: Thu, 15 Oct 2015 16:04:23 +0100 Subject: [PATCH 5/6] iommu/arm-smmu: remove redundant calculation of gr0 base address In-Reply-To: <1444921464-14895-1-git-send-email-will.deacon@arm.com> References: <1444921464-14895-1-git-send-email-will.deacon@arm.com> Message-ID: <1444921464-14895-6-git-send-email-will.deacon@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Since commit 1463fe44fd0f ("iommu/arm-smmu: Don't use VMIDs for stage-1 translations"), we don't need the GR0 base address when initialising a context bank, so remove the useless local variable and its init code. Signed-off-by: Will Deacon --- drivers/iommu/arm-smmu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 9aadf36a0747..7c20a68b5a95 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -709,9 +709,8 @@ static void arm_smmu_init_context_bank(struct arm_smmu_domain *smmu_domain, bool stage1; struct arm_smmu_cfg *cfg = &smmu_domain->cfg; struct arm_smmu_device *smmu = smmu_domain->smmu; - void __iomem *cb_base, *gr0_base, *gr1_base; + void __iomem *cb_base, *gr1_base; - gr0_base = ARM_SMMU_GR0(smmu); gr1_base = ARM_SMMU_GR1(smmu); stage1 = cfg->cbar != CBAR_TYPE_S2_TRANS; cb_base = ARM_SMMU_CB_BASE(smmu) + ARM_SMMU_CB(smmu, cfg->cbndx); -- 2.1.4