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Merge "drivers: edac: Reinitialize errxctlr and overflow counter after PM_EXIT"

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Linux Build Service Account 2017-11-07 03:49:41 -08:00 • committed by Gerrit - the friendly Code Review server
commit 5e603e60e4
1 changed files with 24 additions and 10 deletions
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34
drivers/edac/kryo3xx_arm64_edac.c
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@ -360,11 +360,34 @@ static irqreturn_t kryo3xx_l3_scu_handler(int irq, void *drvdata)
return IRQ_HANDLED;
}
static void initialize_registers(void *info)
{
set_errxctlr_el1();
set_errxmisc_overflow();
}
static void init_regs_on_cpu(bool all_cpus)
{
int cpu;
write_errselr_el1(0);
if (all_cpus) {
for_each_possible_cpu(cpu)
smp_call_function_single(cpu, initialize_registers,
NULL, 1);
} else
initialize_registers(NULL);
write_errselr_el1(1);
initialize_registers(NULL);
}
static int kryo3xx_pmu_cpu_pm_notify(struct notifier_block *self,
unsigned long action, void *v)
{
switch (action) {
case CPU_PM_EXIT:
init_regs_on_cpu(false);
kryo3xx_check_l3_scu_error(panic_handler_drvdata->edev_ctl);
kryo3xx_check_l1_l2_ecc(panic_handler_drvdata->edev_ctl);
break;
@ -373,23 +396,14 @@ static int kryo3xx_pmu_cpu_pm_notify(struct notifier_block *self,
return NOTIFY_OK;
}
static void initialize_registers(void *info)
{
set_errxctlr_el1();
set_errxmisc_overflow();
}
static int kryo3xx_cpu_erp_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct erp_drvdata *drv;
int rc = 0;
int fail = 0;
int cpu;
for_each_possible_cpu(cpu)
smp_call_function_single(cpu, initialize_registers, NULL, 1);
init_regs_on_cpu(true);
drv = devm_kzalloc(dev, sizeof(*drv), GFP_KERNEL);