summaryrefslogtreecommitdiffstats
path: root/arch/loongarch/kernel/dma.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:52 +0000
commit3afb00d3f86d3d924f88b56fa8285d4e9db85852 (patch)
tree95a985d3019522cea546b7d8df621369bc44fc6c /arch/loongarch/kernel/dma.c
parentAdding debian version 6.9.12-1. (diff)
downloadlinux-3afb00d3f86d3d924f88b56fa8285d4e9db85852.tar.xz
linux-3afb00d3f86d3d924f88b56fa8285d4e9db85852.zip
Merging upstream version 6.10.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/loongarch/kernel/dma.c')
-rw-r--r--arch/loongarch/kernel/dma.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/arch/loongarch/kernel/dma.c b/arch/loongarch/kernel/dma.c
index 7a9c6a9dd2..429555fb4e 100644
--- a/arch/loongarch/kernel/dma.c
+++ b/arch/loongarch/kernel/dma.c
@@ -8,17 +8,12 @@
void acpi_arch_dma_setup(struct device *dev)
{
int ret;
- u64 mask, end = 0;
+ u64 mask, end;
const struct bus_dma_region *map = NULL;
ret = acpi_dma_get_range(dev, &map);
if (!ret && map) {
- const struct bus_dma_region *r = map;
-
- for (end = 0; r->size; r++) {
- if (r->dma_start + r->size - 1 > end)
- end = r->dma_start + r->size - 1;
- }
+ end = dma_range_map_max(map);
mask = DMA_BIT_MASK(ilog2(end) + 1);
dev->bus_dma_limit = end;