linux-kernel - [PATCH AUTOSEL 6.12 23/37] dma-mapping: Fix warning reported for missing prototype

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Message-Id: <20250429235122.537321-23-sashal@kernel.org>
Date: Tue, 29 Apr 2025 19:51:08 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Balbir Singh <balbirs@...dia.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Christoph Hellwig <hch@....de>,
	kernel test robot <lkp@...el.com>,
	Sasha Levin <sashal@...nel.org>,
	iommu@...ts.linux.dev
Subject: [PATCH AUTOSEL 6.12 23/37] dma-mapping: Fix warning reported for missing prototype

From: Balbir Singh <balbirs@...dia.com>

[ Upstream commit cae5572ec9261f752af834cdaaf5a0ba0afcf256 ]

lkp reported a warning about missing prototype for a recent patch.

The kernel-doc style comments are out of sync, move them to the right
function.

Cc: Marek Szyprowski <m.szyprowski@...sung.com>
Cc: Christoph Hellwig <hch@....de>

Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202504190615.g9fANxHw-lkp@intel.com/

Signed-off-by: Balbir Singh <balbirs@...dia.com>
[mszyprow: reformatted subject]
Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
Link: https://lore.kernel.org/r/20250422114034.3535515-1-balbirs@nvidia.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 kernel/dma/mapping.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c
index f7366083b4d00..74d453ec750a1 100644
--- a/kernel/dma/mapping.c
+++ b/kernel/dma/mapping.c
@@ -897,14 +897,6 @@ int dma_set_coherent_mask(struct device *dev, u64 mask)
 }
 EXPORT_SYMBOL(dma_set_coherent_mask);
 
-/**
- * dma_addressing_limited - return if the device is addressing limited
- * @dev:	device to check
- *
- * Return %true if the devices DMA mask is too small to address all memory in
- * the system, else %false.  Lack of addressing bits is the prime reason for
- * bounce buffering, but might not be the only one.
- */
 static bool __dma_addressing_limited(struct device *dev)
 {
 	const struct dma_map_ops *ops = get_dma_ops(dev);
@@ -918,6 +910,14 @@ static bool __dma_addressing_limited(struct device *dev)
 	return !dma_direct_all_ram_mapped(dev);
 }
 
+/**
+ * dma_addressing_limited - return if the device is addressing limited
+ * @dev:	device to check
+ *
+ * Return %true if the devices DMA mask is too small to address all memory in
+ * the system, else %false.  Lack of addressing bits is the prime reason for
+ * bounce buffering, but might not be the only one.
+ */
 bool dma_addressing_limited(struct device *dev)
 {
 	if (!__dma_addressing_limited(dev))
-- 
2.39.5