diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2020-11-02 11:54:22 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-11-02 09:32:46 -0800 |
| commit | 495023e4e49e4b7dee35928800bf0317276576c1 (patch) | |
| tree | cc5b730d65fb495200cf3c1f6a601e8835956f75 /drivers/of | |
| parent | 3cea11cd5e3b00d91caf0b4730194039b45c5891 (diff) | |
| download | lwn-495023e4e49e4b7dee35928800bf0317276576c1.tar.gz lwn-495023e4e49e4b7dee35928800bf0317276576c1.zip | |
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 <torvalds@linux-foundation.org>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/device.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/of/device.c b/drivers/of/device.c index 3a469c79e6b0..aedfaaafd3e7 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; |