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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:57 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:57 +0000
commitdc50eab76b709d68175a358d6e23a5a3890764d3 (patch)
treec754d0390db060af0213ff994f0ac310e4cfd6e9 /drivers/cache
parentAdding debian version 6.6.15-2. (diff)
downloadlinux-dc50eab76b709d68175a358d6e23a5a3890764d3.tar.xz
linux-dc50eab76b709d68175a358d6e23a5a3890764d3.zip
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/cache')
-rw-r--r--drivers/cache/ax45mp_cache.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/cache/ax45mp_cache.c b/drivers/cache/ax45mp_cache.c
index 57186c58dc..1d7dd3d2c1 100644
--- a/drivers/cache/ax45mp_cache.c
+++ b/drivers/cache/ax45mp_cache.c
@@ -129,8 +129,12 @@ static void ax45mp_dma_cache_wback(phys_addr_t paddr, size_t size)
unsigned long line_size;
unsigned long flags;
+ if (unlikely(start == end))
+ return;
+
line_size = ax45mp_priv.ax45mp_cache_line_size;
start = start & (~(line_size - 1));
+ end = ((end + line_size - 1) & (~(line_size - 1)));
local_irq_save(flags);
ax45mp_cpu_dcache_wb_range(start, end);
local_irq_restore(flags);