From 495023e4e49e4b7dee35928800bf0317276576c1 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Mon, 2 Nov 2020 11:54:22 +0100 Subject: [PATCH] of: Drop superfluous ULL suffix for ~0 There is no need to specify a "ULL" suffix for "all bits set": "~0" is sufficient, and works regardless of type. In fact adding the suffix makes the code more fragile. Fixes: 48ab6d5d1f09 ("dma-mapping: fix 32-bit overflow with CONFIG_ARM_LPAE=n") Suggested-by: Linus Torvalds Signed-off-by: Geert Uytterhoeven Signed-off-by: Linus Torvalds --- drivers/of/device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/of/device.c b/drivers/of/device.c index 3a469c7..aedfaaa 100644 --- a/drivers/of/device.c +++ b/drivers/of/device.c @@ -112,7 +112,7 @@ int of_dma_configure_id(struct device *dev, struct device_node *np, u64 dma_end = 0; /* Determine the overall bounds of all DMA regions */ - for (dma_start = ~0ULL; r->size; r++) { + for (dma_start = ~0; r->size; r++) { /* Take lower and upper limits */ if (r->dma_start < dma_start) dma_start = r->dma_start; -- 2.7.4