From: Fenglin Wu <[email protected]>
Call handle_bad_irq() when the summary interrupt is fired spuriously.
Signed-off-by: Fenglin Wu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Stephen Boyd <[email protected]>
---
drivers/spmi/spmi-pmic-arb.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/drivers/spmi/spmi-pmic-arb.c b/drivers/spmi/spmi-pmic-arb.c
index 5a99723b3f32..719bd73e5153 100644
--- a/drivers/spmi/spmi-pmic-arb.c
+++ b/drivers/spmi/spmi-pmic-arb.c
@@ -605,10 +605,11 @@ static void cleanup_irq(struct spmi_pmic_arb *pmic_arb, u16 apid, int id)
irq_mask, ppid);
}
-static void periph_interrupt(struct spmi_pmic_arb *pmic_arb, u16 apid)
+static int periph_interrupt(struct spmi_pmic_arb *pmic_arb, u16 apid)
{
unsigned int irq;
u32 status, id;
+ int handled = 0;
u8 sid = (pmic_arb->apid_data[apid].ppid >> 8) & 0xF;
u8 per = pmic_arb->apid_data[apid].ppid & 0xFF;
@@ -623,7 +624,10 @@ static void periph_interrupt(struct spmi_pmic_arb *pmic_arb, u16 apid)
continue;
}
generic_handle_irq(irq);
+ handled++;
}
+
+ return handled;
}
static void pmic_arb_chained_irq(struct irq_desc *desc)
@@ -634,7 +638,7 @@ static void pmic_arb_chained_irq(struct irq_desc *desc)
int first = pmic_arb->min_apid >> 5;
int last = pmic_arb->max_apid >> 5;
u8 ee = pmic_arb->ee;
- u32 status, enable;
+ u32 status, enable, handled = 0;
int i, id, apid;
chained_irq_enter(chip, desc);
@@ -649,10 +653,14 @@ static void pmic_arb_chained_irq(struct irq_desc *desc)
enable = readl_relaxed(
ver_ops->acc_enable(pmic_arb, apid));
if (enable & SPMI_PIC_ACC_ENABLE_BIT)
- periph_interrupt(pmic_arb, apid);
+ if (periph_interrupt(pmic_arb, apid) != 0)
+ handled++;
}
}
+ if (handled == 0)
+ handle_bad_irq(desc);
+
chained_irq_exit(chip, desc);
}
--
https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git/
https://git.kernel.org/pub/scm/linux/kernel/git/sboyd/spmi.git