linux/drivers/clk/spear/clk.c
Viresh Kumar 10d8935f46 Viresh has moved
viresh.kumar@st.com email-id doesn't exist anymore as I have left the
company.  Replace ST's id with viresh.linux@gmail.com.

It also updates .mailmap file to fix address for 'git shortlog'

Signed-off-by: Viresh Kumar <viresh.linux@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-06-20 14:39:36 -07:00

37 lines
841 B
C

/*
* Copyright (C) 2012 ST Microelectronics
* Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*
* SPEAr clk - Common routines
*/
#include <linux/clk-provider.h>
#include <linux/types.h>
#include "clk.h"
long clk_round_rate_index(struct clk_hw *hw, unsigned long drate,
unsigned long parent_rate, clk_calc_rate calc_rate, u8 rtbl_cnt,
int *index)
{
unsigned long prev_rate, rate = 0;
for (*index = 0; *index < rtbl_cnt; (*index)++) {
prev_rate = rate;
rate = calc_rate(hw, parent_rate, *index);
if (drate < rate) {
/* previous clock was best */
if (*index) {
rate = prev_rate;
(*index)--;
}
break;
}
}
return rate;
}