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path: root/drivers/staging/csr/csr_time.c
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Diffstat (limited to 'drivers/staging/csr/csr_time.c')
-rw-r--r--drivers/staging/csr/csr_time.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/staging/csr/csr_time.c b/drivers/staging/csr/csr_time.c
new file mode 100644
index 00000000..01179e46
--- /dev/null
+++ b/drivers/staging/csr/csr_time.c
@@ -0,0 +1,33 @@
+/*****************************************************************************
+
+ (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/kernel.h>
+#include <linux/time.h>
+#include <linux/module.h>
+
+#include "csr_time.h"
+
+u32 CsrTimeGet(u32 *high)
+{
+ struct timespec ts;
+ u64 time;
+ u32 low;
+
+ ts = current_kernel_time();
+ time = (u64) ts.tv_sec * 1000000 + ts.tv_nsec / 1000;
+
+ if (high != NULL)
+ *high = (u32) ((time >> 32) & 0xFFFFFFFF);
+
+ low = (u32) (time & 0xFFFFFFFF);
+
+ return low;
+}
+EXPORT_SYMBOL_GPL(CsrTimeGet);