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authorIngo Molnar <mingo@kernel.org>2015-03-23 11:13:15 +0100
committerIngo Molnar <mingo@kernel.org>2015-03-23 11:13:15 +0100
commite4518ab90f63cd5bea3ddc15341162debc34442b (patch)
treefcefaeced9562de840bbf11ec2ffc95e1d9a571f /drivers/clk/at91/pmc.c
parentx86/asm/entry, perf: Fix incorrect TIF_IA32 check in code_segment_base() (diff)
parentLinux 4.0-rc5 (diff)
downloadlinux-e4518ab90f63cd5bea3ddc15341162debc34442b.tar.xz
linux-e4518ab90f63cd5bea3ddc15341162debc34442b.zip
Merge tag 'v4.0-rc5' into x86/asm, to resolve conflicts
Conflicts: arch/x86/kernel/entry_64.S Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/clk/at91/pmc.c')
-rw-r--r--drivers/clk/at91/pmc.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c
index f07c8152e5cc..3f27d21fb729 100644
--- a/drivers/clk/at91/pmc.c
+++ b/drivers/clk/at91/pmc.c
@@ -89,12 +89,29 @@ static int pmc_irq_set_type(struct irq_data *d, unsigned type)
return 0;
}
+static void pmc_irq_suspend(struct irq_data *d)
+{
+ struct at91_pmc *pmc = irq_data_get_irq_chip_data(d);
+
+ pmc->imr = pmc_read(pmc, AT91_PMC_IMR);
+ pmc_write(pmc, AT91_PMC_IDR, pmc->imr);
+}
+
+static void pmc_irq_resume(struct irq_data *d)
+{
+ struct at91_pmc *pmc = irq_data_get_irq_chip_data(d);
+
+ pmc_write(pmc, AT91_PMC_IER, pmc->imr);
+}
+
static struct irq_chip pmc_irq = {
.name = "PMC",
.irq_disable = pmc_irq_mask,
.irq_mask = pmc_irq_mask,
.irq_unmask = pmc_irq_unmask,
.irq_set_type = pmc_irq_set_type,
+ .irq_suspend = pmc_irq_suspend,
+ .irq_resume = pmc_irq_resume,
};
static struct lock_class_key pmc_lock_class;
@@ -224,7 +241,8 @@ static struct at91_pmc *__init at91_pmc_init(struct device_node *np,
goto out_free_pmc;
pmc_write(pmc, AT91_PMC_IDR, 0xffffffff);
- if (request_irq(pmc->virq, pmc_irq_handler, IRQF_SHARED, "pmc", pmc))
+ if (request_irq(pmc->virq, pmc_irq_handler,
+ IRQF_SHARED | IRQF_COND_SUSPEND, "pmc", pmc))
goto out_remove_irqdomain;
return pmc;