diff options
| author | Vivek Gautam <gautam.vivek@samsung.com> | 2013-04-24 02:50:13 +0000 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2013-05-06 02:16:37 +0200 |
| commit | 4f4eab4d14b181c3a9447c75fd2b41b9d0d761e4 (patch) | |
| tree | 9d909117695b3a2084674c72285a04e8382c3579 /include/common.h | |
| parent | 55f4b57542de9f4bee8dc0b7ca70686bd20e2aa4 (diff) | |
| download | u-boot-imx-4f4eab4d14b181c3a9447c75fd2b41b9d0d761e4.zip u-boot-imx-4f4eab4d14b181c3a9447c75fd2b41b9d0d761e4.tar.gz u-boot-imx-4f4eab4d14b181c3a9447c75fd2b41b9d0d761e4.tar.bz2 | |
usb: common: Use a global definition for 'min3'
We can use a common global method for calculating minimum of
3 numbers. Put the same in 'common header' and let 'ehci'
use it.
Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Acked-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'include/common.h')
| -rw-r--r-- | include/common.h | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/include/common.h b/include/common.h index 8a1f3e4..40e4b07 100644 --- a/include/common.h +++ b/include/common.h @@ -199,18 +199,35 @@ typedef void (interrupt_handler_t)(void *); * General Purpose Utilities */ #define min(X, Y) \ - ({ typeof (X) __x = (X); \ - typeof (Y) __y = (Y); \ + ({ typeof(X) __x = (X); \ + typeof(Y) __y = (Y); \ (__x < __y) ? __x : __y; }) #define max(X, Y) \ - ({ typeof (X) __x = (X); \ - typeof (Y) __y = (Y); \ + ({ typeof(X) __x = (X); \ + typeof(Y) __y = (Y); \ (__x > __y) ? __x : __y; }) #define MIN(x, y) min(x, y) #define MAX(x, y) max(x, y) +#define min3(X, Y, Z) \ + ({ typeof(X) __x = (X); \ + typeof(Y) __y = (Y); \ + typeof(Z) __z = (Z); \ + __x < __y ? (__x < __z ? __x : __z) : \ + (__y < __z ? __y : __z); }) + +#define max3(X, Y, Z) \ + ({ typeof(X) __x = (X); \ + typeof(Y) __y = (Y); \ + typeof(Z) __z = (Z); \ + __x > __y ? (__x > __z ? __x : __z) : \ + (__y > __z ? __y : __z); }) + +#define MIN3(x, y, z) min3(x, y, z) +#define MAX3(x, y, z) max3(x, y, z) + /* * Return the absolute value of a number. * |