rtc-twl.c (4ba24fef3eb3b142197135223b90ced2f319cd53) rtc-twl.c (a737e835e5769ef22897179ed7f82b1fc50bfa58)
1/*
2 * rtc-twl.c -- TWL Real Time Clock interface
3 *
4 * Copyright (C) 2007 MontaVista Software, Inc
5 * Author: Alexandre Rusev <source@mvista.com>
6 *
7 * Based on original TI driver twl4030-rtc.c
8 * Copyright (C) 2006 Texas Instruments, Inc.

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13 * Copyright (C) 2006 David Brownell
14 *
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License
17 * as published by the Free Software Foundation; either version
18 * 2 of the License, or (at your option) any later version.
19 */
20
1/*
2 * rtc-twl.c -- TWL Real Time Clock interface
3 *
4 * Copyright (C) 2007 MontaVista Software, Inc
5 * Author: Alexandre Rusev <source@mvista.com>
6 *
7 * Based on original TI driver twl4030-rtc.c
8 * Copyright (C) 2006 Texas Instruments, Inc.

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13 * Copyright (C) 2006 David Brownell
14 *
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License
17 * as published by the Free Software Foundation; either version
18 * 2 of the License, or (at your option) any later version.
19 */
20
21#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
22
21#include <linux/kernel.h>
22#include <linux/errno.h>
23#include <linux/init.h>
24#include <linux/module.h>
25#include <linux/types.h>
26#include <linux/rtc.h>
27#include <linux/bcd.h>
28#include <linux/platform_device.h>

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140 * Supports 1 byte read from TWL RTC register.
141 */
142static int twl_rtc_read_u8(u8 *data, u8 reg)
143{
144 int ret;
145
146 ret = twl_i2c_read_u8(TWL_MODULE_RTC, data, (rtc_reg_map[reg]));
147 if (ret < 0)
23#include <linux/kernel.h>
24#include <linux/errno.h>
25#include <linux/init.h>
26#include <linux/module.h>
27#include <linux/types.h>
28#include <linux/rtc.h>
29#include <linux/bcd.h>
30#include <linux/platform_device.h>

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142 * Supports 1 byte read from TWL RTC register.
143 */
144static int twl_rtc_read_u8(u8 *data, u8 reg)
145{
146 int ret;
147
148 ret = twl_i2c_read_u8(TWL_MODULE_RTC, data, (rtc_reg_map[reg]));
149 if (ret < 0)
148 pr_err("twl_rtc: Could not read TWL"
149 "register %X - error %d\n", reg, ret);
150 pr_err("Could not read TWL register %X - error %d\n", reg, ret);
150 return ret;
151}
152
153/*
154 * Supports 1 byte write to TWL RTC registers.
155 */
156static int twl_rtc_write_u8(u8 data, u8 reg)
157{
158 int ret;
159
160 ret = twl_i2c_write_u8(TWL_MODULE_RTC, data, (rtc_reg_map[reg]));
161 if (ret < 0)
151 return ret;
152}
153
154/*
155 * Supports 1 byte write to TWL RTC registers.
156 */
157static int twl_rtc_write_u8(u8 data, u8 reg)
158{
159 int ret;
160
161 ret = twl_i2c_write_u8(TWL_MODULE_RTC, data, (rtc_reg_map[reg]));
162 if (ret < 0)
162 pr_err("twl_rtc: Could not write TWL"
163 "register %X - error %d\n", reg, ret);
163 pr_err("Could not write TWL register %X - error %d\n",
164 reg, ret);
164 return ret;
165}
166
167/*
168 * Cache the value for timer/alarm interrupts register; this is
169 * only changed by callers holding rtc ops lock (or resume).
170 */
171static unsigned char rtc_irq_bits;

--- 449 unchanged lines hidden --- 		165 return ret;
166}
167
168/*
169 * Cache the value for timer/alarm interrupts register; this is
170 * only changed by callers holding rtc ops lock (or resume).
171 */
172static unsigned char rtc_irq_bits;

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