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spmi: pmic-arb: handle spurious interrupt

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Call handle_bad_irq() when the summary interrupt is fired spuriously.

Signed-off-by: Fenglin Wu <quic_fenglinw@quicinc.com>
Link: https://lore.kernel.org/r/1655004286-11493-3-git-send-email-quic_fenglinw@quicinc.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20220930005019.2663064-4-sboyd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Fenglin Wu 2022-09-29 17:50:12 -07:00 committed by Greg Kroah-Hartman
parent 33c912d3c5
commit abb9088b3a
1 changed files with 11 additions and 3 deletions
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14
drivers/spmi/spmi-pmic-arb.c
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@ -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);
}