diff options
Diffstat (limited to 'drivers/counter')
| -rw-r--r-- | drivers/counter/counter-core.c | 7 |
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) |