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| author | Jon Loeliger <jdl@freescale.com> | 2008-06-06 10:48:31 -0500 |
|---|---|---|
| committer | Jon Loeliger <jdl@freescale.com> | 2008-06-06 10:48:31 -0500 |
| commit | 1a247ba7fa5fb09f56892a09a990f03ce564b3e2 (patch) | |
| tree | 9dab0ef013cc6dc7883454808ecf6ba4d7a7a94e /include/common.h | |
| parent | 2c289e320dcfb3760e99cf1d765cb067194a1202 (diff) | |
| parent | 8155efbd7ae9c65564ca98affe94631d612ae088 (diff) | |
| download | u-boot-imx-1a247ba7fa5fb09f56892a09a990f03ce564b3e2.zip u-boot-imx-1a247ba7fa5fb09f56892a09a990f03ce564b3e2.tar.gz u-boot-imx-1a247ba7fa5fb09f56892a09a990f03ce564b3e2.tar.bz2 | |
Merge commit 'wd/master'
Diffstat (limited to 'include/common.h')
| -rw-r--r-- | include/common.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/common.h b/include/common.h index d0f5704..26e1b46 100644 --- a/include/common.h +++ b/include/common.h @@ -176,6 +176,17 @@ typedef void (interrupt_handler_t)(void *); (__x > __y) ? __x : __y; }) +/** + * container_of - cast a member of a structure out to the containing structure + * @ptr: the pointer to the member. + * @type: the type of the container struct this is embedded in. + * @member: the name of the member within the struct. + * + */ +#define container_of(ptr, type, member) ({ \ + const typeof( ((type *)0)->member ) *__mptr = (ptr); \ + (type *)( (char *)__mptr - offsetof(type,member) );}) + /* * Function Prototypes */ |