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authorDan Williams <dan.j.williams@intel.com>2009-03-25 19:13:25 +0300
committerDan Williams <dan.j.williams@intel.com>2009-03-25 19:13:25 +0300
commit06164f3194e01ea4c76941ac60f541d656c8975f (patch)
tree0a5edc96e053ce0cf90139b48bc2ca7c7c130186 /include/linux/async_tx.h
parent54aee6a5f560d0e1bf3f39987c6ebe06daeb0ce1 (diff)
downloadlinux-06164f3194e01ea4c76941ac60f541d656c8975f.tar.xz
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.h9
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.