mirror of https://gitee.com/openkylin/linux.git
mfd: Rename twl4030_ routines in rtc-twl.c
This patch renames all twl4030_ functions to twl_ so that RTC driver can be shared between Triton and Phoenix. Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Nayak Rajendra <rnayak@ti.com> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Balaji T K
Samuel Ortiz
parent
fc7b92fca4
commit
ef3b7d0d3e
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@ -561,7 +561,7 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features)
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* Eventually, Linux might become more aware of such
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* HW security concerns, and "least privilege".
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*/
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child = add_child(3, "twl4030_rtc",
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child = add_child(3, "twl_rtc",
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NULL, 0,
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true, pdata->irq_base + RTC_INTR_OFFSET, 0);
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if (IS_ERR(child))
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@ -1,5 +1,5 @@
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/*
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* rtc-twl4030.c -- TWL4030 Real Time Clock interface
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* rtc-twl.c -- TWL Real Time Clock interface
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*
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* Copyright (C) 2007 MontaVista Software, Inc
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* Author: Alexandre Rusev <source@mvista.com>
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@ -86,29 +86,29 @@
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/*----------------------------------------------------------------------*/
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/*
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* Supports 1 byte read from TWL4030 RTC register.
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* Supports 1 byte read from TWL RTC register.
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*/
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static int twl4030_rtc_read_u8(u8 *data, u8 reg)
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static int twl_rtc_read_u8(u8 *data, u8 reg)
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{
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int ret;
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ret = twl_i2c_read_u8(TWL4030_MODULE_RTC, data, reg);
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ret = twl_i2c_read_u8(TWL_MODULE_RTC, data, reg);
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if (ret < 0)
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pr_err("twl4030_rtc: Could not read TWL4030"
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pr_err("twl_rtc: Could not read TWL"
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"register %X - error %d\n", reg, ret);
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return ret;
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}
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/*
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* Supports 1 byte write to TWL4030 RTC registers.
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* Supports 1 byte write to TWL RTC registers.
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*/
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static int twl4030_rtc_write_u8(u8 data, u8 reg)
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static int twl_rtc_write_u8(u8 data, u8 reg)
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{
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int ret;
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ret = twl_i2c_write_u8(TWL4030_MODULE_RTC, data, reg);
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ret = twl_i2c_write_u8(TWL_MODULE_RTC, data, reg);
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if (ret < 0)
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pr_err("twl4030_rtc: Could not write TWL4030"
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pr_err("twl_rtc: Could not write TWL"
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"register %X - error %d\n", reg, ret);
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return ret;
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}
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@ -129,7 +129,7 @@ static int set_rtc_irq_bit(unsigned char bit)
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val = rtc_irq_bits | bit;
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val &= ~BIT_RTC_INTERRUPTS_REG_EVERY_M;
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ret = twl4030_rtc_write_u8(val, REG_RTC_INTERRUPTS_REG);
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ret = twl_rtc_write_u8(val, REG_RTC_INTERRUPTS_REG);
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if (ret == 0)
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rtc_irq_bits = val;
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@ -145,14 +145,14 @@ static int mask_rtc_irq_bit(unsigned char bit)
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int ret;
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val = rtc_irq_bits & ~bit;
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ret = twl4030_rtc_write_u8(val, REG_RTC_INTERRUPTS_REG);
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ret = twl_rtc_write_u8(val, REG_RTC_INTERRUPTS_REG);
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if (ret == 0)
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rtc_irq_bits = val;
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return ret;
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}
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static int twl4030_rtc_alarm_irq_enable(struct device *dev, unsigned enabled)
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static int twl_rtc_alarm_irq_enable(struct device *dev, unsigned enabled)
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{
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int ret;
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@ -164,7 +164,7 @@ static int twl4030_rtc_alarm_irq_enable(struct device *dev, unsigned enabled)
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return ret;
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}
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static int twl4030_rtc_update_irq_enable(struct device *dev, unsigned enabled)
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static int twl_rtc_update_irq_enable(struct device *dev, unsigned enabled)
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{
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int ret;
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@ -177,7 +177,7 @@ static int twl4030_rtc_update_irq_enable(struct device *dev, unsigned enabled)
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}
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/*
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* Gets current TWL4030 RTC time and date parameters.
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* Gets current TWL RTC time and date parameters.
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*
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* The RTC's time/alarm representation is not what gmtime(3) requires
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* Linux to use:
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@ -185,23 +185,23 @@ static int twl4030_rtc_update_irq_enable(struct device *dev, unsigned enabled)
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* - Months are 1..12 vs Linux 0-11
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* - Years are 0..99 vs Linux 1900..N (we assume 21st century)
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*/
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static int twl4030_rtc_read_time(struct device *dev, struct rtc_time *tm)
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static int twl_rtc_read_time(struct device *dev, struct rtc_time *tm)
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{
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unsigned char rtc_data[ALL_TIME_REGS + 1];
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int ret;
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u8 save_control;
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ret = twl4030_rtc_read_u8(&save_control, REG_RTC_CTRL_REG);
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ret = twl_rtc_read_u8(&save_control, REG_RTC_CTRL_REG);
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if (ret < 0)
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return ret;
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save_control |= BIT_RTC_CTRL_REG_GET_TIME_M;
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ret = twl4030_rtc_write_u8(save_control, REG_RTC_CTRL_REG);
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ret = twl_rtc_write_u8(save_control, REG_RTC_CTRL_REG);
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if (ret < 0)
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return ret;
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ret = twl_i2c_read(TWL4030_MODULE_RTC, rtc_data,
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ret = twl_i2c_read(TWL_MODULE_RTC, rtc_data,
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REG_SECONDS_REG, ALL_TIME_REGS);
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if (ret < 0) {
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@ -219,7 +219,7 @@ static int twl4030_rtc_read_time(struct device *dev, struct rtc_time *tm)
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return ret;
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}
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static int twl4030_rtc_set_time(struct device *dev, struct rtc_time *tm)
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static int twl_rtc_set_time(struct device *dev, struct rtc_time *tm)
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{
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unsigned char save_control;
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unsigned char rtc_data[ALL_TIME_REGS + 1];
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@ -233,17 +233,17 @@ static int twl4030_rtc_set_time(struct device *dev, struct rtc_time *tm)
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rtc_data[6] = bin2bcd(tm->tm_year - 100);
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/* Stop RTC while updating the TC registers */
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ret = twl4030_rtc_read_u8(&save_control, REG_RTC_CTRL_REG);
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ret = twl_rtc_read_u8(&save_control, REG_RTC_CTRL_REG);
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if (ret < 0)
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goto out;
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save_control &= ~BIT_RTC_CTRL_REG_STOP_RTC_M;
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twl4030_rtc_write_u8(save_control, REG_RTC_CTRL_REG);
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twl_rtc_write_u8(save_control, REG_RTC_CTRL_REG);
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if (ret < 0)
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goto out;
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/* update all the time registers in one shot */
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ret = twl_i2c_write(TWL4030_MODULE_RTC, rtc_data,
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ret = twl_i2c_write(TWL_MODULE_RTC, rtc_data,
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REG_SECONDS_REG, ALL_TIME_REGS);
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if (ret < 0) {
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dev_err(dev, "rtc_set_time error %d\n", ret);
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@ -252,21 +252,21 @@ static int twl4030_rtc_set_time(struct device *dev, struct rtc_time *tm)
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/* Start back RTC */
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save_control |= BIT_RTC_CTRL_REG_STOP_RTC_M;
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ret = twl4030_rtc_write_u8(save_control, REG_RTC_CTRL_REG);
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ret = twl_rtc_write_u8(save_control, REG_RTC_CTRL_REG);
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out:
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return ret;
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}
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/*
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* Gets current TWL4030 RTC alarm time.
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* Gets current TWL RTC alarm time.
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*/
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static int twl4030_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
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static int twl_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
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{
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unsigned char rtc_data[ALL_TIME_REGS + 1];
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int ret;
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ret = twl_i2c_read(TWL4030_MODULE_RTC, rtc_data,
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ret = twl_i2c_read(TWL_MODULE_RTC, rtc_data,
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REG_ALARM_SECONDS_REG, ALL_TIME_REGS);
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if (ret < 0) {
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dev_err(dev, "rtc_read_alarm error %d\n", ret);
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@ -288,12 +288,12 @@ static int twl4030_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
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return ret;
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}
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static int twl4030_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
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static int twl_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
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{
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unsigned char alarm_data[ALL_TIME_REGS + 1];
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int ret;
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ret = twl4030_rtc_alarm_irq_enable(dev, 0);
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ret = twl_rtc_alarm_irq_enable(dev, 0);
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if (ret)
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goto out;
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@ -305,7 +305,7 @@ static int twl4030_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
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alarm_data[6] = bin2bcd(alm->time.tm_year - 100);
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/* update all the alarm registers in one shot */
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ret = twl_i2c_write(TWL4030_MODULE_RTC, alarm_data,
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ret = twl_i2c_write(TWL_MODULE_RTC, alarm_data,
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REG_ALARM_SECONDS_REG, ALL_TIME_REGS);
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if (ret) {
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dev_err(dev, "rtc_set_alarm error %d\n", ret);
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@ -313,12 +313,12 @@ static int twl4030_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
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}
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if (alm->enabled)
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ret = twl4030_rtc_alarm_irq_enable(dev, 1);
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ret = twl_rtc_alarm_irq_enable(dev, 1);
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out:
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return ret;
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}
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static irqreturn_t twl4030_rtc_interrupt(int irq, void *rtc)
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static irqreturn_t twl_rtc_interrupt(int irq, void *rtc)
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{
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unsigned long events = 0;
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int ret = IRQ_NONE;
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@ -333,7 +333,7 @@ static irqreturn_t twl4030_rtc_interrupt(int irq, void *rtc)
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local_irq_enable();
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#endif
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res = twl4030_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG);
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res = twl_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG);
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if (res)
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goto out;
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/*
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@ -347,14 +347,14 @@ static irqreturn_t twl4030_rtc_interrupt(int irq, void *rtc)
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else
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events |= RTC_IRQF | RTC_UF;
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res = twl4030_rtc_write_u8(rd_reg | BIT_RTC_STATUS_REG_ALARM_M,
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res = twl_rtc_write_u8(rd_reg | BIT_RTC_STATUS_REG_ALARM_M,
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REG_RTC_STATUS_REG);
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if (res)
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goto out;
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/* Clear on Read enabled. RTC_IT bit of TWL4030_INT_PWR_ISR1
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* needs 2 reads to clear the interrupt. One read is done in
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* do_twl4030_pwrirq(). Doing the second read, to clear
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* do_twl_pwrirq(). Doing the second read, to clear
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* the bit.
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*
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* FIXME the reason PWR_ISR1 needs an extra read is that
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@ -376,18 +376,18 @@ static irqreturn_t twl4030_rtc_interrupt(int irq, void *rtc)
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return ret;
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}
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static struct rtc_class_ops twl4030_rtc_ops = {
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.read_time = twl4030_rtc_read_time,
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.set_time = twl4030_rtc_set_time,
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.read_alarm = twl4030_rtc_read_alarm,
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.set_alarm = twl4030_rtc_set_alarm,
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.alarm_irq_enable = twl4030_rtc_alarm_irq_enable,
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.update_irq_enable = twl4030_rtc_update_irq_enable,
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static struct rtc_class_ops twl_rtc_ops = {
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.read_time = twl_rtc_read_time,
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.set_time = twl_rtc_set_time,
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.read_alarm = twl_rtc_read_alarm,
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.set_alarm = twl_rtc_set_alarm,
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.alarm_irq_enable = twl_rtc_alarm_irq_enable,
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.update_irq_enable = twl_rtc_update_irq_enable,
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};
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/*----------------------------------------------------------------------*/
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static int __devinit twl4030_rtc_probe(struct platform_device *pdev)
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static int __devinit twl_rtc_probe(struct platform_device *pdev)
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{
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struct rtc_device *rtc;
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int ret = 0;
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@ -398,7 +398,7 @@ static int __devinit twl4030_rtc_probe(struct platform_device *pdev)
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return -EINVAL;
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rtc = rtc_device_register(pdev->name,
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&pdev->dev, &twl4030_rtc_ops, THIS_MODULE);
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&pdev->dev, &twl_rtc_ops, THIS_MODULE);
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if (IS_ERR(rtc)) {
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ret = PTR_ERR(rtc);
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dev_err(&pdev->dev, "can't register RTC device, err %ld\n",
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@ -409,7 +409,7 @@ static int __devinit twl4030_rtc_probe(struct platform_device *pdev)
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platform_set_drvdata(pdev, rtc);
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ret = twl4030_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG);
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ret = twl_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG);
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if (ret < 0)
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goto out1;
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@ -420,11 +420,11 @@ static int __devinit twl4030_rtc_probe(struct platform_device *pdev)
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dev_warn(&pdev->dev, "Pending Alarm interrupt detected.\n");
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/* Clear RTC Power up reset and pending alarm interrupts */
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ret = twl4030_rtc_write_u8(rd_reg, REG_RTC_STATUS_REG);
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ret = twl_rtc_write_u8(rd_reg, REG_RTC_STATUS_REG);
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if (ret < 0)
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goto out1;
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ret = request_irq(irq, twl4030_rtc_interrupt,
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ret = request_irq(irq, twl_rtc_interrupt,
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IRQF_TRIGGER_RISING,
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dev_name(&rtc->dev), rtc);
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if (ret < 0) {
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@ -433,20 +433,20 @@ static int __devinit twl4030_rtc_probe(struct platform_device *pdev)
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}
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/* Check RTC module status, Enable if it is off */
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ret = twl4030_rtc_read_u8(&rd_reg, REG_RTC_CTRL_REG);
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ret = twl_rtc_read_u8(&rd_reg, REG_RTC_CTRL_REG);
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if (ret < 0)
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goto out2;
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if (!(rd_reg & BIT_RTC_CTRL_REG_STOP_RTC_M)) {
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dev_info(&pdev->dev, "Enabling TWL4030-RTC.\n");
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dev_info(&pdev->dev, "Enabling TWL-RTC.\n");
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rd_reg = BIT_RTC_CTRL_REG_STOP_RTC_M;
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ret = twl4030_rtc_write_u8(rd_reg, REG_RTC_CTRL_REG);
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ret = twl_rtc_write_u8(rd_reg, REG_RTC_CTRL_REG);
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if (ret < 0)
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goto out2;
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}
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/* init cached IRQ enable bits */
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ret = twl4030_rtc_read_u8(&rtc_irq_bits, REG_RTC_INTERRUPTS_REG);
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ret = twl_rtc_read_u8(&rtc_irq_bits, REG_RTC_INTERRUPTS_REG);
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if (ret < 0)
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goto out2;
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@ -461,10 +461,10 @@ static int __devinit twl4030_rtc_probe(struct platform_device *pdev)
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}
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/*
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* Disable all TWL4030 RTC module interrupts.
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* Disable all TWL RTC module interrupts.
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* Sets status flag to free.
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*/
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static int __devexit twl4030_rtc_remove(struct platform_device *pdev)
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static int __devexit twl_rtc_remove(struct platform_device *pdev)
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{
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/* leave rtc running, but disable irqs */
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struct rtc_device *rtc = platform_get_drvdata(pdev);
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@ -480,7 +480,7 @@ static int __devexit twl4030_rtc_remove(struct platform_device *pdev)
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return 0;
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}
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static void twl4030_rtc_shutdown(struct platform_device *pdev)
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static void twl_rtc_shutdown(struct platform_device *pdev)
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{
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/* mask timer interrupts, but leave alarm interrupts on to enable
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power-on when alarm is triggered */
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@ -491,7 +491,7 @@ static void twl4030_rtc_shutdown(struct platform_device *pdev)
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static unsigned char irqstat;
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static int twl4030_rtc_suspend(struct platform_device *pdev, pm_message_t state)
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static int twl_rtc_suspend(struct platform_device *pdev, pm_message_t state)
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{
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irqstat = rtc_irq_bits;
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@ -499,42 +499,42 @@ static int twl4030_rtc_suspend(struct platform_device *pdev, pm_message_t state)
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return 0;
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}
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static int twl4030_rtc_resume(struct platform_device *pdev)
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static int twl_rtc_resume(struct platform_device *pdev)
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{
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set_rtc_irq_bit(irqstat);
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return 0;
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}
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#else
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#define twl4030_rtc_suspend NULL
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#define twl4030_rtc_resume NULL
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#define twl_rtc_suspend NULL
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#define twl_rtc_resume NULL
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#endif
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MODULE_ALIAS("platform:twl4030_rtc");
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MODULE_ALIAS("platform:twl_rtc");
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static struct platform_driver twl4030rtc_driver = {
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.probe = twl4030_rtc_probe,
|
||||
.remove = __devexit_p(twl4030_rtc_remove),
|
||||
.shutdown = twl4030_rtc_shutdown,
|
||||
.suspend = twl4030_rtc_suspend,
|
||||
.resume = twl4030_rtc_resume,
|
||||
.probe = twl_rtc_probe,
|
||||
.remove = __devexit_p(twl_rtc_remove),
|
||||
.shutdown = twl_rtc_shutdown,
|
||||
.suspend = twl_rtc_suspend,
|
||||
.resume = twl_rtc_resume,
|
||||
.driver = {
|
||||
.owner = THIS_MODULE,
|
||||
.name = "twl4030_rtc",
|
||||
.name = "twl_rtc",
|
||||
},
|
||||
};
|
||||
|
||||
static int __init twl4030_rtc_init(void)
|
||||
static int __init twl_rtc_init(void)
|
||||
{
|
||||
return platform_driver_register(&twl4030rtc_driver);
|
||||
}
|
||||
module_init(twl4030_rtc_init);
|
||||
module_init(twl_rtc_init);
|
||||
|
||||
static void __exit twl4030_rtc_exit(void)
|
||||
static void __exit twl_rtc_exit(void)
|
||||
{
|
||||
platform_driver_unregister(&twl4030rtc_driver);
|
||||
}
|
||||
module_exit(twl4030_rtc_exit);
|
||||
module_exit(twl_rtc_exit);
|
||||
|
||||
MODULE_AUTHOR("Texas Instruments, MontaVista Software");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
|
|
|||
Loading…
Reference in New Issue