diff options
| author | Philippe Langlais <philippe.langlais@stericsson.com> | 2011-10-11 09:09:06 +0200 |
|---|---|---|
| committer | Philippe Langlais <philippe.langlais@stericsson.com> | 2012-05-22 10:59:41 +0200 |
| commit | 963d6f04d0ca72c3cfe5c6340d453317555f1b07 (patch) | |
| tree | 28b1bad9076162be4e5615e443e4037cff104ba1 /drivers/mfd/ab8500-sysctrl.c | |
| parent | a40a7633f7506d32bdced4181e545a4dc364833a (diff) | |
abx500: big merge from GLK 2.6.35
Signed-off-by: Philippe Langlais <philippe.langlais@stericsson.com>
Diffstat (limited to 'drivers/mfd/ab8500-sysctrl.c')
| -rw-r--r-- | drivers/mfd/ab8500-sysctrl.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/mfd/ab8500-sysctrl.c b/drivers/mfd/ab8500-sysctrl.c index c28d4eb1eff..799fb5e696a 100644 --- a/drivers/mfd/ab8500-sysctrl.c +++ b/drivers/mfd/ab8500-sysctrl.c @@ -7,12 +7,29 @@ #include <linux/err.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/pm.h> +#include <linux/signal.h> #include <linux/mfd/abx500.h> #include <linux/mfd/abx500/ab8500.h> #include <linux/mfd/abx500/ab8500-sysctrl.h> static struct device *sysctrl_dev; +void ab8500_power_off(void) +{ + sigset_t old; + sigset_t all; + + sigfillset(&all); + + if (!sigprocmask(SIG_BLOCK, &all, &old)) { + (void)ab8500_sysctrl_set(AB8500_STW4500CTRL1, + AB8500_STW4500CTRL1_SWOFF | + AB8500_STW4500CTRL1_SWRESET4500N); + (void)sigprocmask(SIG_SETMASK, &old, NULL); + } +} + static inline bool valid_bank(u8 bank) { return ((bank == AB8500_SYS_CTRL1_BLOCK) || @@ -51,7 +68,12 @@ int ab8500_sysctrl_write(u16 reg, u8 mask, u8 value) static int __devinit ab8500_sysctrl_probe(struct platform_device *pdev) { + struct ab8500_platform_data *plat; + sysctrl_dev = &pdev->dev; + plat = dev_get_platdata(pdev->dev.parent); + if (plat->pm_power_off) + pm_power_off = ab8500_power_off; return 0; } |