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authorKiran Gunda <kgunda@codeaurora.org>2017-08-23 18:16:26 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-08-28 13:52:22 +0200
commit2fb4f2581d3ab3513fe44d35f9b9e79d89b1f521 (patch)
tree4439cf023159f0dcfa19b86de92606ce9547291a /drivers/spmi
parente55fe64a198d2657e24f9fca5cd6e7e7f13e0b2f (diff)
spmi: pmic-arb: Move the ownership check to irq_chip callback
Check the irq ownership in the irq_request_resources callback instead of checking it during the irq mapping. This can prevent installing the flow handler for the interrupt that is not owned by the EE and allow the irq translation during the gpio driver probe. Signed-off-by: Kiran Gunda <kgunda@codeaurora.org> Tested-by: Shawn Guo <shawnguo@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/spmi')
-rw-r--r--drivers/spmi/spmi-pmic-arb.c26
1 files changed, 19 insertions, 7 deletions
diff --git a/drivers/spmi/spmi-pmic-arb.c b/drivers/spmi/spmi-pmic-arb.c
index ca9bdd301195..360b8218f322 100644
--- a/drivers/spmi/spmi-pmic-arb.c
+++ b/drivers/spmi/spmi-pmic-arb.c
@@ -666,6 +666,24 @@ static int qpnpint_get_irqchip_state(struct irq_data *d,
return 0;
}
+static int qpnpint_irq_request_resources(struct irq_data *d)
+{
+ struct spmi_pmic_arb *pmic_arb = irq_data_get_irq_chip_data(d);
+ u16 periph = hwirq_to_per(d->hwirq);
+ u16 apid = hwirq_to_apid(d->hwirq);
+ u16 sid = hwirq_to_sid(d->hwirq);
+ u16 irq = hwirq_to_irq(d->hwirq);
+
+ if (pmic_arb->apid_data[apid].irq_ee != pmic_arb->ee) {
+ dev_err(&pmic_arb->spmic->dev, "failed to xlate sid = %#x, periph = %#x, irq = %u: ee=%u but owner=%u\n",
+ sid, periph, irq, pmic_arb->ee,
+ pmic_arb->apid_data[apid].irq_ee);
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
static struct irq_chip pmic_arb_irqchip = {
.name = "pmic_arb",
.irq_ack = qpnpint_irq_ack,
@@ -674,6 +692,7 @@ static struct irq_chip pmic_arb_irqchip = {
.irq_set_type = qpnpint_irq_set_type,
.irq_set_wake = qpnpint_irq_set_wake,
.irq_get_irqchip_state = qpnpint_get_irqchip_state,
+ .irq_request_resources = qpnpint_irq_request_resources,
.flags = IRQCHIP_MASK_ON_SUSPEND,
};
@@ -707,13 +726,6 @@ static int qpnpint_irq_domain_dt_translate(struct irq_domain *d,
}
apid = rc;
- if (pmic_arb->apid_data[apid].irq_ee != pmic_arb->ee) {
- dev_err(&pmic_arb->spmic->dev, "failed to xlate sid = %#x, periph = %#x, irq = %u: ee=%u but owner=%u\n",
- intspec[0], intspec[1], intspec[2], pmic_arb->ee,
- pmic_arb->apid_data[apid].irq_ee);
- return -ENODEV;
- }
-
/* Keep track of {max,min}_apid for bounding search during interrupt */
if (apid > pmic_arb->max_apid)
pmic_arb->max_apid = apid;

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