diff options
Diffstat (limited to 'drivers/staging/csr/csr_time.h')
-rw-r--r-- | drivers/staging/csr/csr_time.h | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/drivers/staging/csr/csr_time.h b/drivers/staging/csr/csr_time.h deleted file mode 100644 index fc29e8e5e478..000000000000 --- a/drivers/staging/csr/csr_time.h +++ /dev/null @@ -1,76 +0,0 @@ -#ifndef CSR_TIME_H__ -#define CSR_TIME_H__ -/***************************************************************************** - -(c) Cambridge Silicon Radio Limited 2010 -All rights reserved and confidential information of CSR - -Refer to LICENSE.txt included with this source for details -on the license terms. - -*****************************************************************************/ - -#include <linux/types.h> - -/******************************************************************************* - -NAME - CsrTimeGet - -DESCRIPTION - Returns the current system time in a low and a high part. The low part - is expressed in microseconds. The high part is incremented when the low - part wraps to provide an extended range. - - The caller may provide a NULL pointer as the high parameter. - In this case the function just returns the low part and ignores the - high parameter. - - Although the time is expressed in microseconds the actual resolution is - platform dependent and can be less. It is recommended that the - resolution is at least 10 milliseconds. - -PARAMETERS - high - Pointer to variable that will receive the high part of the - current system time. Passing NULL is valid. - -RETURNS - Low part of current system time in microseconds. - -*******************************************************************************/ -u32 CsrTimeGet(u32 *high); - - -/*------------------------------------------------------------------*/ -/* CsrTime Macros */ -/*------------------------------------------------------------------*/ - -/*----------------------------------------------------------------------------* - * NAME - * CsrTimeAdd - * - * DESCRIPTION - * Add two time values. Adding the numbers can overflow the range of a - * CsrTime, so the user must be cautious. - * - * RETURNS - * CsrTime - the sum of "t1" and "t2". - * - *----------------------------------------------------------------------------*/ -#define CsrTimeAdd(t1, t2) ((t1) + (t2)) - -/*----------------------------------------------------------------------------* - * NAME - * CsrTimeSub - * - * DESCRIPTION - * Subtract two time values. Subtracting the numbers can provoke an - * underflow, so the user must be cautious. - * - * RETURNS - * CsrTime - "t1" - "t2". - * - *----------------------------------------------------------------------------*/ -#define CsrTimeSub(t1, t2) ((s32) (t1) - (s32) (t2)) - -#endif |