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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-05 06:13:24 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-05 06:13:24 (GMT) |
| commit | 9c2edd8b5bcb36ec6c890dd85f8fd13034aaa43e (patch) | |
| tree | 052b3c229e00462cd0c5773c8b6b9fe314e86f38 /drivers/irqchip/irq-gic-v3.c | |
| parent | aa652b1ccbd0d3a9cd4ecdec6d36935f78c838da (diff) | |
| parent | c6935931c1894ff857616ff8549b61236a19148f (diff) | |
| download | linux-9c2edd8b5bcb36ec6c890dd85f8fd13034aaa43e.tar.xz | |
Merge 4.8-rc5 into staging-next
We want the staging fixes in here as well to handle merge issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/irqchip/irq-gic-v3.c')
| -rw-r--r-- | drivers/irqchip/irq-gic-v3.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index 6fc56c3..ede5672 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -667,13 +667,20 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val, #endif #ifdef CONFIG_CPU_PM +/* Check whether it's single security state view */ +static bool gic_dist_security_disabled(void) +{ + return readl_relaxed(gic_data.dist_base + GICD_CTLR) & GICD_CTLR_DS; +} + static int gic_cpu_pm_notifier(struct notifier_block *self, unsigned long cmd, void *v) { if (cmd == CPU_PM_EXIT) { - gic_enable_redist(true); + if (gic_dist_security_disabled()) + gic_enable_redist(true); gic_cpu_sys_reg_init(); - } else if (cmd == CPU_PM_ENTER) { + } else if (cmd == CPU_PM_ENTER && gic_dist_security_disabled()) { gic_write_grpen1(0); gic_enable_redist(false); } |