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-rw-r--r--drivers/counter/counter-core.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/counter/counter-core.c b/drivers/counter/counter-core.c
index 09c77afb33..3f24481fc0 100644
--- a/drivers/counter/counter-core.c
+++ b/drivers/counter/counter-core.c
@@ -31,10 +31,11 @@ struct counter_device_allochelper {
struct counter_device counter;
/*
- * This is cache line aligned to ensure private data behaves like if it
- * were kmalloced separately.
+ * This ensures private data behaves like if it were kmalloced
+ * separately. Also ensures the minimum alignment for safe DMA
+ * operations (which may or may not mean cache alignment).
*/
- unsigned long privdata[] ____cacheline_aligned;
+ unsigned long privdata[] __aligned(ARCH_DMA_MINALIGN);
};
static void counter_device_release(struct device *dev)