Merge "drivers: edac: Add PM notifier to check ECC during CPU_EXIT_PM" (c22ea64a) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/edac/kryo3xx_arm64_edac.c

+18 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@
		#include <linux/platform_device.h>
		#include <linux/smp.h>
		#include <linux/cpu.h>
		#include <linux/cpu_pm.h>
		#include <linux/interrupt.h>
		#include <linux/of_irq.h>

		@@ -125,6 +126,7 @@ static const struct errors_edac errors[] = {
		struct erp_drvdata {
		struct edac_device_ctl_info *edev_ctl;
		struct erp_drvdata __percpu **erp_cpu_drvdata;
		struct notifier_block nb_pm;
		int ppi;
		};

		@@ -358,6 +360,19 @@ static irqreturn_t kryo3xx_l3_scu_handler(int irq, void *drvdata)
		return IRQ_HANDLED;
		}

		static int kryo3xx_pmu_cpu_pm_notify(struct notifier_block *self,
		unsigned long action, void *v)
		{
		switch (action) {
		case CPU_PM_EXIT:
		kryo3xx_check_l3_scu_error(panic_handler_drvdata->edev_ctl);
		kryo3xx_check_l1_l2_ecc(panic_handler_drvdata->edev_ctl);
		break;
		}

		return NOTIFY_OK;
		}

		static void initialize_registers(void *info)
		{
		set_errxctlr_el1();
		@@ -400,6 +415,7 @@ static int kryo3xx_cpu_erp_probe(struct platform_device *pdev)
		drv->edev_ctl->ctl_name = "cache";
		drv->edev_ctl->panic_on_ce = ARM64_ERP_PANIC_ON_CE;
		drv->edev_ctl->panic_on_ue = ARM64_ERP_PANIC_ON_UE;
		drv->nb_pm.notifier_call = kryo3xx_pmu_cpu_pm_notify;
		platform_set_drvdata(pdev, drv);

		rc = edac_device_add_device(drv->edev_ctl);
		@@ -424,6 +440,8 @@ static int kryo3xx_cpu_erp_probe(struct platform_device *pdev)
		goto out_dev;
		}

		cpu_pm_register_notifier(&(drv->nb_pm));

		return 0;

		out_dev: