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Subject[PATCH 2/3] mtd: onenand: samsung: Fix printing format for size_t on 64-bit
Print size_t as %zu to fix -Wformat warnings when compiling on 64-bit
platform (e.g. with COMPILE_TEST):

drivers/mtd/nand/onenand/samsung_mtd.c: In function ‘s5pc110_read_bufferram’:
drivers/mtd/nand/onenand/samsung_mtd.c:661:16: warning:
format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘size_t {aka long unsigned int}’ [-Wformat=]
dev_err(dev, "Couldn't map a %d byte buffer for DMA\n", count);

Signed-off-by: Krzysztof Kozlowski <>
drivers/mtd/nand/onenand/samsung_mtd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/onenand/samsung_mtd.c b/drivers/mtd/nand/onenand/samsung_mtd.c
index 70501d031db6..4a78c0aed6dd 100644
--- a/drivers/mtd/nand/onenand/samsung_mtd.c
+++ b/drivers/mtd/nand/onenand/samsung_mtd.c
@@ -658,7 +658,7 @@ static int s5pc110_read_bufferram(struct mtd_info *mtd, int area,
dma_dst = dma_map_single(dev, buf, count, DMA_FROM_DEVICE);
if (dma_mapping_error(dev, dma_dst)) {
- dev_err(dev, "Couldn't map a %d byte buffer for DMA\n", count);
+ dev_err(dev, "Couldn't map a %zu byte buffer for DMA\n", count);
goto normal;
err = s5pc110_dma_ops(dma_dst, dma_src,
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