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[1/1] media: ipu6: Drop unused ipu6_dma_get_sgtable()

Message ID 20250225094532.40678-1-sakari.ailus@linux.intel.com
State New
Headers show
Series [1/1] media: ipu6: Drop unused ipu6_dma_get_sgtable() | expand

Commit Message

Sakari Ailus Feb. 25, 2025, 9:45 a.m. UTC 
ipu6_dma_get_sgtable() is now unused. Drop it.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
 drivers/media/pci/intel/ipu6/ipu6-dma.c | 33 -------------------------
 drivers/media/pci/intel/ipu6/ipu6-dma.h |  3 ---
 2 files changed, 36 deletions(-)
diff mbox series

Patch

diff --git a/drivers/media/pci/intel/ipu6/ipu6-dma.c b/drivers/media/pci/intel/ipu6/ipu6-dma.c
index 44e24da33907..052e396a28af 100644
--- a/drivers/media/pci/intel/ipu6/ipu6-dma.c
+++ b/drivers/media/pci/intel/ipu6/ipu6-dma.c
@@ -455,36 +455,3 @@  void ipu6_dma_unmap_sgtable(struct ipu6_bus_device *sys, struct sg_table *sgt,
 	ipu6_dma_unmap_sg(sys, sgt->sgl, sgt->nents, dir, attrs);
 }
 EXPORT_SYMBOL_NS_GPL(ipu6_dma_unmap_sgtable, "INTEL_IPU6");
-
-/*
- * Create scatter-list for the already allocated DMA buffer
- */
-int ipu6_dma_get_sgtable(struct ipu6_bus_device *sys, struct sg_table *sgt,
-			 void *cpu_addr, dma_addr_t handle, size_t size,
-			 unsigned long attrs)
-{
-	struct device *dev = &sys->auxdev.dev;
-	struct ipu6_mmu *mmu = sys->mmu;
-	struct vm_info *info;
-	int n_pages;
-	int ret = 0;
-
-	info = get_vm_info(mmu, handle);
-	if (!info)
-		return -EFAULT;
-
-	if (!info->vaddr)
-		return -EFAULT;
-
-	if (WARN_ON(!info->pages))
-		return -ENOMEM;
-
-	n_pages = PFN_UP(size);
-
-	ret = sg_alloc_table_from_pages(sgt, info->pages, n_pages, 0, size,
-					GFP_KERNEL);
-	if (ret)
-		dev_warn(dev, "get sgt table failed\n");
-
-	return ret;
-}
diff --git a/drivers/media/pci/intel/ipu6/ipu6-dma.h b/drivers/media/pci/intel/ipu6/ipu6-dma.h
index b51244add9e6..2882850d9366 100644
--- a/drivers/media/pci/intel/ipu6/ipu6-dma.h
+++ b/drivers/media/pci/intel/ipu6/ipu6-dma.h
@@ -43,7 +43,4 @@  int ipu6_dma_map_sgtable(struct ipu6_bus_device *sys, struct sg_table *sgt,
 			 enum dma_data_direction dir, unsigned long attrs);
 void ipu6_dma_unmap_sgtable(struct ipu6_bus_device *sys, struct sg_table *sgt,
 			    enum dma_data_direction dir, unsigned long attrs);
-int ipu6_dma_get_sgtable(struct ipu6_bus_device *sys, struct sg_table *sgt,
-			 void *cpu_addr, dma_addr_t handle, size_t size,
-			 unsigned long attrs);
 #endif /* IPU6_DMA_H */