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ARM: Rework omap suspend_late()/resume_early() 

This patch reworks platform driver power management code
for omap drivers using late/early legacy callbacks.

The callbacks are converted for CONFIG_SUSPEND like this:
  suspend_late() -> suspend_noirq()
  resume_early() -> resume_noirq()

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
hifive-unleashed-5.1
Magnus Damm 2009-07-08 13:22:04 +02:00 committed by Rafael J. Wysocki
parent d7aacaddca
commit 79ee031ff6
2 changed files with 17 additions and 8 deletions
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11
arch/arm/plat-omap/debug-leds.c
View File

@ -281,24 +281,27 @@ static int /* __init */ fpga_probe(struct platform_device *pdev)
return 0;
}
static int fpga_suspend_late(struct platform_device *pdev, pm_message_t mesg)
static int fpga_suspend_noirq(struct device *dev)
{
__raw_writew(~0, &fpga->leds);
return 0;
}
static int fpga_resume_early(struct platform_device *pdev)
static int fpga_resume_noirq(struct device *dev)
{
__raw_writew(~hw_led_state, &fpga->leds);
return 0;
}
static struct dev_pm_ops fpga_dev_pm_ops = {
.suspend_noirq = fpga_suspend_noirq,
.resume_noirq = fpga_resume_noirq,
};
static struct platform_driver led_driver = {
.driver.name = "omap_dbg_led",
.driver.pm = &fpga_dev_pm_ops,
.probe = fpga_probe,
.suspend_late = fpga_suspend_late,
.resume_early = fpga_resume_early,
};
static int __init fpga_init(void)

14
arch/arm/plat-omap/gpio.c
View File

@ -1264,8 +1264,9 @@ static struct irq_chip mpuio_irq_chip = {
#include <linux/platform_device.h>
static int omap_mpuio_suspend_late(struct platform_device *pdev, pm_message_t mesg)
static int omap_mpuio_suspend_noirq(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct gpio_bank *bank = platform_get_drvdata(pdev);
void __iomem *mask_reg = bank->base + OMAP_MPUIO_GPIO_MASKIT;
unsigned long flags;
@ -1278,8 +1279,9 @@ static int omap_mpuio_suspend_late(struct platform_device *pdev, pm_message_t me
return 0;
}
static int omap_mpuio_resume_early(struct platform_device *pdev)
static int omap_mpuio_resume_noirq(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct gpio_bank *bank = platform_get_drvdata(pdev);
void __iomem *mask_reg = bank->base + OMAP_MPUIO_GPIO_MASKIT;
unsigned long flags;
@ -1291,14 +1293,18 @@ static int omap_mpuio_resume_early(struct platform_device *pdev)
return 0;
}
static struct dev_pm_ops omap_mpuio_dev_pm_ops = {
.suspend_noirq = omap_mpuio_suspend_noirq,
.resume_noirq = omap_mpuio_resume_noirq,
};
/* use platform_driver for this, now that there's no longer any
* point to sys_device (other than not disturbing old code).
*/
static struct platform_driver omap_mpuio_driver = {
.suspend_late = omap_mpuio_suspend_late,
.resume_early = omap_mpuio_resume_early,
.driver = {
.name = "mpuio",
.pm = &omap_mpuio_dev_pm_ops,
},
};