linux-kernel - [PATCH] swiotlb: Remove redundant swiotlb

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Date:   Wed, 22 Jun 2022 15:29:52 +0100
From:   Steven Price <steven.price@....com>
To:     Christoph Hellwig <hch@....de>
Cc:     Steven Price <steven.price@....com>,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: [PATCH] swiotlb: Remove redundant swiotlb_force

The variable (and enum) was removed in commit c6af2aa9ffc9 ("swiotlb:
make the swiotlb_init interface more useful") but the declaration was
left in swiotlb.h. Tidy up by removing the declaration as well.

Signed-off-by: Steven Price <steven.price@....com>
---
 include/linux/swiotlb.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 7ed35dd3de6e..b1f5ace37502 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -60,8 +60,6 @@ dma_addr_t swiotlb_map(struct device *dev, phys_addr_t phys,
 		size_t size, enum dma_data_direction dir, unsigned long attrs);
 
 #ifdef CONFIG_SWIOTLB
-extern enum swiotlb_force swiotlb_force;
-
 /**
  * struct io_tlb_mem - IO TLB Memory Pool Descriptor
  *
-- 
2.25.1