Message ID | 1554748702-2368-1-git-send-email-abel.vesa@nxp.com |
---|---|
State | New |
Headers | show |
Series | [v3] pinctrl: imx8mq: Add suspend/resume ops | expand |
> From: Abel Vesa > Sent: Tuesday, April 9, 2019 2:39 AM > > To support pinctl hog restore after LPSR resume back, add the generic > suspend/resume in pinctrl-imx along with the generic pm ops to be used by > platform specific drivers. Then make use of the newly added ops in i.MX8MQ > platform specific driver. > > Signed-off-by: Robin Gong <yibin.gong@nxp.com> > Signed-off-by: Abel Vesa <abel.vesa@nxp.com> Acked-by: Dong Aisheng <aisheng.dong@nxp.com> Regards Dong Aisheng
On Mon, Apr 8, 2019 at 8:38 PM Abel Vesa <abel.vesa@nxp.com> wrote: > To support pinctl hog restore after LPSR resume back, > add the generic suspend/resume in pinctrl-imx along with the > generic pm ops to be used by platform specific drivers. Then > make use of the newly added ops in i.MX8MQ platform specific > driver. > > Signed-off-by: Robin Gong <yibin.gong@nxp.com> > Signed-off-by: Abel Vesa <abel.vesa@nxp.com> This v3 version applied with Dong's ACK. Yours, Linus Walleij
diff --git a/drivers/pinctrl/freescale/pinctrl-imx.c b/drivers/pinctrl/freescale/pinctrl-imx.c index 188001b..93a86d2 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx.c +++ b/drivers/pinctrl/freescale/pinctrl-imx.c @@ -887,3 +887,22 @@ int imx_pinctrl_probe(struct platform_device *pdev, return ret; } + +static int __maybe_unused imx_pinctrl_suspend(struct device *dev) +{ + struct imx_pinctrl *ipctl = dev_get_drvdata(dev); + + return pinctrl_force_sleep(ipctl->pctl); +} + +static int __maybe_unused imx_pinctrl_resume(struct device *dev) +{ + struct imx_pinctrl *ipctl = dev_get_drvdata(dev); + + return pinctrl_force_default(ipctl->pctl); +} + +const struct dev_pm_ops imx_pinctrl_pm_ops = { + SET_LATE_SYSTEM_SLEEP_PM_OPS(imx_pinctrl_suspend, + imx_pinctrl_resume) +}; diff --git a/drivers/pinctrl/freescale/pinctrl-imx.h b/drivers/pinctrl/freescale/pinctrl-imx.h index 98a4889..333d32b 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx.h +++ b/drivers/pinctrl/freescale/pinctrl-imx.h @@ -17,6 +17,7 @@ struct platform_device; extern struct pinmux_ops imx_pmx_ops; +extern const struct dev_pm_ops imx_pinctrl_pm_ops; /** * struct imx_pin_mmio - MMIO pin configurations diff --git a/drivers/pinctrl/freescale/pinctrl-imx8mq.c b/drivers/pinctrl/freescale/pinctrl-imx8mq.c index 8d39af5..50aa1c0 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx8mq.c +++ b/drivers/pinctrl/freescale/pinctrl-imx8mq.c @@ -339,6 +339,7 @@ static struct platform_driver imx8mq_pinctrl_driver = { .driver = { .name = "imx8mq-pinctrl", .of_match_table = of_match_ptr(imx8mq_pinctrl_of_match), + .pm = &imx_pinctrl_pm_ops, .suppress_bind_attrs = true, }, .probe = imx8mq_pinctrl_probe,