diff options
| -rw-r--r-- | arch/arm/plat-omap/include/plat/iommu.h | 3 | ||||
| -rw-r--r-- | drivers/iommu/omap-iommu.c | 59 |
2 files changed, 0 insertions, 62 deletions
diff --git a/arch/arm/plat-omap/include/plat/iommu.h b/arch/arm/plat-omap/include/plat/iommu.h index 4e9c05c2fdc..9ae1e279864 100644 --- a/arch/arm/plat-omap/include/plat/iommu.h +++ b/arch/arm/plat-omap/include/plat/iommu.h @@ -153,12 +153,9 @@ struct iommu_platform_data { extern u32 iommu_arch_version(void); extern void iotlb_cr_to_e(struct cr_regs *cr, struct iotlb_entry *e); -extern void iommu_set_twl(struct iommu *obj, bool on); -extern void flush_iotlb_range(struct iommu *obj, u32 start, u32 end); extern int iopgtable_store_entry(struct iommu *obj, struct iotlb_entry *e); -extern int iommu_set_da_range(struct iommu *obj, u32 start, u32 end); extern int iommu_set_isr(const char *name, int (*isr)(struct iommu *obj, u32 da, u32 iommu_errs, void *priv), diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c index 966093a2fcf..d0f28e73be6 100644 --- a/drivers/iommu/omap-iommu.c +++ b/drivers/iommu/omap-iommu.c @@ -363,26 +363,6 @@ static void flush_iotlb_page(struct iommu *obj, u32 da) } /** - * flush_iotlb_range - Clear an iommu tlb entries - * @obj: target iommu - * @start: iommu device virtual address(start) - * @end: iommu device virtual address(end) - * - * Clear an iommu tlb entry which includes 'da' address. - **/ -void flush_iotlb_range(struct iommu *obj, u32 start, u32 end) -{ - u32 da = start; - - while (da < end) { - flush_iotlb_page(obj, da); - /* FIXME: Optimize for multiple page size */ - da += IOPTE_SIZE; - } -} -EXPORT_SYMBOL_GPL(flush_iotlb_range); - -/** * flush_iotlb_all - Clear all iommu tlb entries * @obj: target iommu **/ @@ -401,23 +381,6 @@ static void flush_iotlb_all(struct iommu *obj) clk_disable(obj->clk); } -/** - * iommu_set_twl - enable/disable table walking logic - * @obj: target iommu - * @on: enable/disable - * - * Function used to enable/disable TWL. If one wants to work - * exclusively with locked TLB entries and receive notifications - * for TLB miss then call this function to disable TWL. - */ -void iommu_set_twl(struct iommu *obj, bool on) -{ - clk_enable(obj->clk); - arch_iommu->set_twl(obj, on); - clk_disable(obj->clk); -} -EXPORT_SYMBOL_GPL(iommu_set_twl); - #if defined(CONFIG_OMAP_IOMMU_DEBUG_MODULE) ssize_t iommu_dump_ctx(struct iommu *obj, char *buf, ssize_t bytes) @@ -854,28 +817,6 @@ static int device_match_by_alias(struct device *dev, void *data) } /** - * iommu_set_da_range - Set a valid device address range - * @obj: target iommu - * @start Start of valid range - * @end End of valid range - **/ -int iommu_set_da_range(struct iommu *obj, u32 start, u32 end) -{ - - if (!obj) - return -EFAULT; - - if (end < start || !PAGE_ALIGN(start | end)) - return -EINVAL; - - obj->da_start = start; - obj->da_end = end; - - return 0; -} -EXPORT_SYMBOL_GPL(iommu_set_da_range); - -/** * omap_find_iommu_device() - find an omap iommu device by name * @name: name of the iommu device * |