Commit 09a4a79d authored by Claire Chang's avatar Claire Chang Committed by Konrad Rzeszutek Wilk
Browse files

swiotlb: fix implicit debugfs declarations 



Factor out the debugfs bits from rmem_swiotlb_device_init() into a separate
rmem_swiotlb_debugfs_init() to fix the implicit debugfs declarations.

Fixes: 461021875c50 ("swiotlb: Add restricted DMA pool initialization")
Reported-by: default avatarkernel test robot <lkp@intel.com>
Signed-off-by: default avatarClaire Chang <tientzu@chromium.org>
Signed-off-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
parent fec9b625

kernel/dma/swiotlb.c

+16 −5
Original line number Diff line number Diff line
@@ -712,6 +712,21 @@ late_initcall(swiotlb_create_default_debugfs); 
#endif



#ifdef CONFIG_DMA_RESTRICTED_POOL



#ifdef CONFIG_DEBUG_FS

static void rmem_swiotlb_debugfs_init(struct reserved_mem *rmem)

{

	struct io_tlb_mem *mem = rmem->priv;



	mem->debugfs = debugfs_create_dir(rmem->name, debugfs_dir);

	swiotlb_create_debugfs_files(mem);

}

#else

static void rmem_swiotlb_debugfs_init(struct reserved_mem *rmem)

{

}

#endif



struct page *swiotlb_alloc(struct device *dev, size_t size)

{

	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
@@ -766,11 +781,7 @@ static int rmem_swiotlb_device_init(struct reserved_mem *rmem, 


		rmem->priv = mem;



		if (IS_ENABLED(CONFIG_DEBUG_FS)) {

			mem->debugfs =

				debugfs_create_dir(rmem->name, debugfs_dir);

			swiotlb_create_debugfs_files(mem);

		}

		rmem_swiotlb_debugfs_init(rmem);

	}



	dev->dma_io_tlb_mem = mem;