diff options
| author | Stephen Boyd <sboyd@codeaurora.org> | 2015-07-07 03:09:30 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-07-17 09:59:36 +0200 |
| commit | ad64498762dd6f262f8c7c37926cd56693e109ba (patch) | |
| tree | 7494f560b77e218c7d0e4ccb0702c28f8e362fdf /drivers/pinctrl/qcom | |
| parent | pinctrl: sirf: Drop owner assignment from platform_driver (diff) | |
| download | linux-ad64498762dd6f262f8c7c37926cd56693e109ba.tar.xz linux-ad64498762dd6f262f8c7c37926cd56693e109ba.zip | |
pinctrl: qcom: Hook pm_power_down for shutdown support
Assign pm_power_off() if we have the PS_HOLD functionality so
that we can properly shutdown the SoC. Otherwise, shutdown won't
do anything besides put the CPU into a tight loop. Unfortunately,
we have to use a singleton here because pm_power_off() doesn't
take any arguments. Fortunately there's only one instance of the
pinctrl device on a running system so this isn't a problem.
Cc: Pramod Gurav <pramod.gurav@smartplayin.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/qcom')
| -rw-r--r-- | drivers/pinctrl/qcom/pinctrl-msm.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c index e457d52302a2..6242af8a42d5 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.c +++ b/drivers/pinctrl/qcom/pinctrl-msm.c @@ -28,6 +28,7 @@ #include <linux/interrupt.h> #include <linux/spinlock.h> #include <linux/reboot.h> +#include <linux/pm.h> #include "../core.h" #include "../pinconf.h" @@ -855,6 +856,13 @@ static int msm_ps_hold_restart(struct notifier_block *nb, unsigned long action, return NOTIFY_DONE; } +static struct msm_pinctrl *poweroff_pctrl; + +static void msm_ps_hold_poweroff(void) +{ + msm_ps_hold_restart(&poweroff_pctrl->restart_nb, 0, NULL); +} + static void msm_pinctrl_setup_pm_reset(struct msm_pinctrl *pctrl) { int i; @@ -867,6 +875,8 @@ static void msm_pinctrl_setup_pm_reset(struct msm_pinctrl *pctrl) if (register_restart_handler(&pctrl->restart_nb)) dev_err(pctrl->dev, "failed to setup restart handler.\n"); + poweroff_pctrl = pctrl; + pm_power_off = msm_ps_hold_poweroff; break; } } |