This patch removes useless spinlocks and other unused members from struct exynos_iommu_owner. There is no point is protecting this structure by spinlock because content of this structure doesn't change and other structures have their own spinlocks. Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> --- drivers/iommu/exynos-iommu.c | 11 ----------- 1 file changed, 11 deletions(-) diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c index ec3c882..ed8c518 100644 --- a/drivers/iommu/exynos-iommu.c +++ b/drivers/iommu/exynos-iommu.c @@ -190,9 +190,6 @@ struct exynos_iommu_owner { struct list_head client; /* entry of exynos_iommu_domain.clients */ struct device *dev; struct device *sysmmu; - struct iommu_domain *domain; - void *vmm_data; /* IO virtual memory manager's data */ - spinlock_t lock; /* Lock to preserve consistency of System MMU */ }; struct exynos_iommu_domain { @@ -478,16 +475,12 @@ static int __exynos_sysmmu_enable(struct device *dev, phys_addr_t pgtable, BUG_ON(!has_sysmmu(dev)); - spin_lock_irqsave(&owner->lock, flags); - data = dev_get_drvdata(owner->sysmmu); ret = __sysmmu_enable(data, pgtable, domain); if (ret >= 0) data->master = dev; - spin_unlock_irqrestore(&owner->lock, flags); - return ret; } @@ -500,16 +493,12 @@ static bool exynos_sysmmu_disable(struct device *dev) BUG_ON(!has_sysmmu(dev)); - spin_lock_irqsave(&owner->lock, flags); - data = dev_get_drvdata(owner->sysmmu); disabled = __sysmmu_disable(data); if (disabled) data->master = NULL; - spin_unlock_irqrestore(&owner->lock, flags); - return disabled; } -- 1.9.2 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html