diff options
Diffstat (limited to 'drivers/genpd/imx')
| -rw-r--r-- | drivers/genpd/imx/gpcv2.c | 2 | ||||
| -rw-r--r-- | drivers/genpd/imx/imx8m-blk-ctrl.c | 3 | ||||
| -rw-r--r-- | drivers/genpd/imx/imx8mp-blk-ctrl.c | 2 | ||||
| -rw-r--r-- | drivers/genpd/imx/imx93-blk-ctrl.c | 17 | ||||
| -rw-r--r-- | drivers/genpd/imx/imx93-pd.c | 2 |
5 files changed, 21 insertions, 5 deletions
diff --git a/drivers/genpd/imx/gpcv2.c b/drivers/genpd/imx/gpcv2.c index 4b3300b090a8..fbd3d92f8cd8 100644 --- a/drivers/genpd/imx/gpcv2.c +++ b/drivers/genpd/imx/gpcv2.c @@ -9,7 +9,7 @@ */ #include <linux/clk.h> -#include <linux/of_device.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/pm_domain.h> #include <linux/pm_runtime.h> diff --git a/drivers/genpd/imx/imx8m-blk-ctrl.c b/drivers/genpd/imx/imx8m-blk-ctrl.c index afbca0d48c14..cc5ef6e2f0a8 100644 --- a/drivers/genpd/imx/imx8m-blk-ctrl.c +++ b/drivers/genpd/imx/imx8m-blk-ctrl.c @@ -8,7 +8,8 @@ #include <linux/device.h> #include <linux/interconnect.h> #include <linux/module.h> -#include <linux/of_device.h> +#include <linux/of.h> +#include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/pm_domain.h> #include <linux/pm_runtime.h> diff --git a/drivers/genpd/imx/imx8mp-blk-ctrl.c b/drivers/genpd/imx/imx8mp-blk-ctrl.c index 1c1fcab4979a..c6ac32c1a8c1 100644 --- a/drivers/genpd/imx/imx8mp-blk-ctrl.c +++ b/drivers/genpd/imx/imx8mp-blk-ctrl.c @@ -10,7 +10,7 @@ #include <linux/device.h> #include <linux/interconnect.h> #include <linux/module.h> -#include <linux/of_device.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/pm_domain.h> #include <linux/pm_runtime.h> diff --git a/drivers/genpd/imx/imx93-blk-ctrl.c b/drivers/genpd/imx/imx93-blk-ctrl.c index 2c600329436c..40bd90f8b977 100644 --- a/drivers/genpd/imx/imx93-blk-ctrl.c +++ b/drivers/genpd/imx/imx93-blk-ctrl.c @@ -6,7 +6,7 @@ #include <linux/clk.h> #include <linux/device.h> #include <linux/module.h> -#include <linux/of_device.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/pm_domain.h> #include <linux/pm_runtime.h> @@ -187,6 +187,8 @@ static int imx93_blk_ctrl_power_off(struct generic_pm_domain *genpd) return 0; } +static struct lock_class_key blk_ctrl_genpd_lock_class; + static int imx93_blk_ctrl_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -269,6 +271,19 @@ static int imx93_blk_ctrl_probe(struct platform_device *pdev) goto cleanup_pds; } + /* + * We use runtime PM to trigger power on/off of the upstream GPC + * domain, as a strict hierarchical parent/child power domain + * setup doesn't allow us to meet the sequencing requirements. + * This means we have nested locking of genpd locks, without the + * nesting being visible at the genpd level, so we need a + * separate lock class to make lockdep aware of the fact that + * this are separate domain locks that can be nested without a + * self-deadlock. + */ + lockdep_set_class(&domain->genpd.mlock, + &blk_ctrl_genpd_lock_class); + bc->onecell_data.domains[i] = &domain->genpd; } diff --git a/drivers/genpd/imx/imx93-pd.c b/drivers/genpd/imx/imx93-pd.c index 832deeed8fd6..b9e60d136875 100644 --- a/drivers/genpd/imx/imx93-pd.c +++ b/drivers/genpd/imx/imx93-pd.c @@ -5,8 +5,8 @@ #include <linux/clk.h> #include <linux/delay.h> -#include <linux/of_device.h> #include <linux/iopoll.h> +#include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/pm_domain.h> |