summaryrefslogtreecommitdiff
path: root/drivers/clk/at91/pmc.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2015-03-09 23:38:02 -0400
committerDavid S. Miller <davem@davemloft.net>2015-03-09 23:38:02 -0400
commit3cef5c5b0b56f3f90b0e9ff8d3f8dc57f464cc14 (patch)
tree02e95f15bd8a04071a9a36f534a92a066a8ce66a /drivers/clk/at91/pmc.c
parent8ac467e837a24eb024177b4b01013d8e6764913a (diff)
parentaffb8172de395a6e1db52ed9790ca0456d8c29a9 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/ethernet/cadence/macb.c Overlapping changes in macb driver, mostly fixes and cleanups in 'net' overlapping with the integration of at91_ether into macb in 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
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;