diff options
Diffstat (limited to 'arch/blackfin/kernel/setup.c')
-rw-r--r-- | arch/blackfin/kernel/setup.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 934234f43839..d2822010b7ce 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -43,6 +43,7 @@ #include <asm/cacheflush.h> #include <asm/blackfin.h> #include <asm/cplbinit.h> +#include <asm/div64.h> #include <asm/fixed_code.h> #include <asm/early_printk.h> @@ -504,13 +505,17 @@ EXPORT_SYMBOL(get_sclk); unsigned long sclk_to_usecs(unsigned long sclk) { - return (USEC_PER_SEC * (u64)sclk) / get_sclk(); + u64 tmp = USEC_PER_SEC * (u64)sclk; + do_div(tmp, get_sclk()); + return tmp; } EXPORT_SYMBOL(sclk_to_usecs); unsigned long usecs_to_sclk(unsigned long usecs) { - return (get_sclk() * (u64)usecs) / USEC_PER_SEC; + u64 tmp = get_sclk() * (u64)usecs; + do_div(tmp, USEC_PER_SEC); + return tmp; } EXPORT_SYMBOL(usecs_to_sclk); |