summaryrefslogtreecommitdiff
path: root/arch/arm/mach-pxa/sharpsl_pm.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-pxa/sharpsl_pm.c')
-rw-r--r--arch/arm/mach-pxa/sharpsl_pm.c60
1 files changed, 23 insertions, 37 deletions
diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c
index 0a36d3585f26..71b282b146d0 100644
--- a/arch/arm/mach-pxa/sharpsl_pm.c
+++ b/arch/arm/mach-pxa/sharpsl_pm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Battery and Power Management code for the Sharp SL-C7xx and SL-Cxx00
* series of PDAs
@@ -5,11 +6,6 @@
* Copyright (c) 2004-2005 Richard Purdie
*
* Based on code written by Sharp for 2.4 kernels
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#undef DEBUG
@@ -27,18 +23,18 @@
#include <linux/io.h>
#include <asm/mach-types.h>
-#include <mach/pm.h>
-#include <mach/pxa2xx-regs.h>
-#include <mach/regs-rtc.h>
-#include <mach/sharpsl_pm.h>
+#include "pm.h"
+#include "pxa2xx-regs.h"
+#include "regs-rtc.h"
+#include "sharpsl_pm.h"
/*
* Constants
*/
-#define SHARPSL_CHARGE_ON_TIME_INTERVAL (msecs_to_jiffies(1*60*1000)) /* 1 min */
-#define SHARPSL_CHARGE_FINISH_TIME (msecs_to_jiffies(10*60*1000)) /* 10 min */
-#define SHARPSL_BATCHK_TIME (msecs_to_jiffies(15*1000)) /* 15 sec */
-#define SHARPSL_BATCHK_TIME_SUSPEND (60*10) /* 10 min */
+#define SHARPSL_CHARGE_ON_TIME_INTERVAL (secs_to_jiffies(60))
+#define SHARPSL_CHARGE_FINISH_TIME (secs_to_jiffies(10*60))
+#define SHARPSL_BATCHK_TIME (secs_to_jiffies(15))
+#define SHARPSL_BATCHK_TIME_SUSPEND (60*10) /* 10 min */
#define SHARPSL_WAIT_CO_TIME 15 /* 15 sec */
#define SHARPSL_WAIT_DISCHARGE_ON 100 /* 100 msec */
@@ -174,10 +170,6 @@ extern int max1111_read_channel(int);
*/
int sharpsl_pm_pxa_read_max1111(int channel)
{
- /* Ugly, better move this function into another module */
- if (machine_is_tosa())
- return 0;
-
/* max1111 accepts channels from 0-3, however,
* it is encoded from 0-7 here in the code.
*/
@@ -224,8 +216,6 @@ void sharpsl_battery_kick(void)
{
schedule_delayed_work(&sharpsl_bat, msecs_to_jiffies(125));
}
-EXPORT_SYMBOL(sharpsl_battery_kick);
-
static void sharpsl_battery_thread(struct work_struct *private_)
{
@@ -341,7 +331,7 @@ static void sharpsl_charge_toggle(struct work_struct *private_)
sharpsl_pm.charge_start_time = jiffies;
}
-static void sharpsl_ac_timer(unsigned long data)
+static void sharpsl_ac_timer(struct timer_list *unused)
{
int acin = sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN);
@@ -366,7 +356,7 @@ static irqreturn_t sharpsl_ac_isr(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static void sharpsl_chrg_full_timer(unsigned long data)
+static void sharpsl_chrg_full_timer(struct timer_list *unused)
{
dev_dbg(sharpsl_pm.dev, "Charge Full at time: %lx\n", jiffies);
@@ -744,7 +734,7 @@ static int sharpsl_off_charge_battery(void)
time = RCNR;
while (1) {
/* Check if any wakeup event had occurred */
- if (sharpsl_pm.machinfo->charger_wakeup() != 0)
+ if (sharpsl_pm.machinfo->charger_wakeup())
return 0;
/* Check for timeout */
if ((RCNR - time) > SHARPSL_WAIT_CO_TIME)
@@ -802,8 +792,8 @@ static ssize_t battery_voltage_show(struct device *dev, struct device_attribute
return sprintf(buf, "%d\n", sharpsl_pm.battstat.mainbat_voltage);
}
-static DEVICE_ATTR(battery_percentage, 0444, battery_percentage_show, NULL);
-static DEVICE_ATTR(battery_voltage, 0444, battery_voltage_show, NULL);
+static DEVICE_ATTR_RO(battery_percentage);
+static DEVICE_ATTR_RO(battery_voltage);
extern void (*apm_get_power_status)(struct apm_power_info *);
@@ -841,11 +831,9 @@ static int sharpsl_pm_probe(struct platform_device *pdev)
sharpsl_pm.charge_mode = CHRG_OFF;
sharpsl_pm.flags = 0;
- init_timer(&sharpsl_pm.ac_timer);
- sharpsl_pm.ac_timer.function = sharpsl_ac_timer;
+ timer_setup(&sharpsl_pm.ac_timer, sharpsl_ac_timer, 0);
- init_timer(&sharpsl_pm.chrg_full_timer);
- sharpsl_pm.chrg_full_timer.function = sharpsl_chrg_full_timer;
+ timer_setup(&sharpsl_pm.chrg_full_timer, sharpsl_chrg_full_timer, 0);
led_trigger_register_simple("sharpsl-charge", &sharpsl_charge_led_trigger);
@@ -860,18 +848,18 @@ static int sharpsl_pm_probe(struct platform_device *pdev)
/* Register interrupt handlers */
irq = gpio_to_irq(sharpsl_pm.machinfo->gpio_acin);
- if (request_irq(irq, sharpsl_ac_isr, IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "AC Input Detect", sharpsl_ac_isr)) {
+ if (request_irq(irq, sharpsl_ac_isr, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "AC Input Detect", sharpsl_ac_isr)) {
dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", irq);
}
irq = gpio_to_irq(sharpsl_pm.machinfo->gpio_batlock);
- if (request_irq(irq, sharpsl_fatal_isr, IRQF_DISABLED | IRQF_TRIGGER_FALLING, "Battery Cover", sharpsl_fatal_isr)) {
+ if (request_irq(irq, sharpsl_fatal_isr, IRQF_TRIGGER_FALLING, "Battery Cover", sharpsl_fatal_isr)) {
dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", irq);
}
if (sharpsl_pm.machinfo->gpio_fatal) {
irq = gpio_to_irq(sharpsl_pm.machinfo->gpio_fatal);
- if (request_irq(irq, sharpsl_fatal_isr, IRQF_DISABLED | IRQF_TRIGGER_FALLING, "Fatal Battery", sharpsl_fatal_isr)) {
+ if (request_irq(irq, sharpsl_fatal_isr, IRQF_TRIGGER_FALLING, "Fatal Battery", sharpsl_fatal_isr)) {
dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", irq);
}
}
@@ -879,7 +867,7 @@ static int sharpsl_pm_probe(struct platform_device *pdev)
if (sharpsl_pm.machinfo->batfull_irq) {
/* Register interrupt handler. */
irq = gpio_to_irq(sharpsl_pm.machinfo->gpio_batfull);
- if (request_irq(irq, sharpsl_chrg_full_isr, IRQF_DISABLED | IRQF_TRIGGER_RISING, "CO", sharpsl_chrg_full_isr)) {
+ if (request_irq(irq, sharpsl_chrg_full_isr, IRQF_TRIGGER_RISING, "CO", sharpsl_chrg_full_isr)) {
dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", irq);
}
}
@@ -900,7 +888,7 @@ static int sharpsl_pm_probe(struct platform_device *pdev)
return 0;
}
-static int sharpsl_pm_remove(struct platform_device *pdev)
+static void sharpsl_pm_remove(struct platform_device *pdev)
{
suspend_set_ops(NULL);
@@ -925,10 +913,8 @@ static int sharpsl_pm_remove(struct platform_device *pdev)
if (sharpsl_pm.machinfo->exit)
sharpsl_pm.machinfo->exit();
- del_timer_sync(&sharpsl_pm.chrg_full_timer);
- del_timer_sync(&sharpsl_pm.ac_timer);
-
- return 0;
+ timer_delete_sync(&sharpsl_pm.chrg_full_timer);
+ timer_delete_sync(&sharpsl_pm.ac_timer);
}
static struct platform_driver sharpsl_pm_driver = {
generated by cgit (git 2.34.1) at 2025-12-25 12:51:00 +0000