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| author | Dan Williams <dan.j.williams@intel.com> | 2009-03-25 09:13:25 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2009-03-25 09:13:25 -0700 |
| commit | 06164f3194e01ea4c76941ac60f541d656c8975f (patch) | |
| tree | 0a5edc96e053ce0cf90139b48bc2ca7c7c130186 /include/linux/async_tx.h | |
| parent | 54aee6a5f560d0e1bf3f39987c6ebe06daeb0ce1 (diff) | |
| download | lwn-06164f3194e01ea4c76941ac60f541d656c8975f.tar.gz lwn-06164f3194e01ea4c76941ac60f541d656c8975f.zip | |
async_tx: provide __async_inline for HAS_DMA=n archs
To allow an async_tx routine to be compiled away on HAS_DMA=n arch it
needs to be declared __always_inline otherwise the compiler may emit
code and cause a link error.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'include/linux/async_tx.h')
| -rw-r--r-- | include/linux/async_tx.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/async_tx.h b/include/linux/async_tx.h index 45f6297821bd..5fc2ef8d97fa 100644 --- a/include/linux/async_tx.h +++ b/include/linux/async_tx.h @@ -21,6 +21,15 @@ #include <linux/spinlock.h> #include <linux/interrupt.h> +/* on architectures without dma-mapping capabilities we need to ensure + * that the asynchronous path compiles away + */ +#ifdef CONFIG_HAS_DMA +#define __async_inline +#else +#define __async_inline __always_inline +#endif + /** * dma_chan_ref - object used to manage dma channels received from the * dmaengine core. |