On 05/30, Kiran Gunda wrote:
> From: Abhijeet Dharmapurikar <adhar...@codeaurora.org>
>
> irq_enable is called when the device resumes. Note that the
> irq_enable is called regardless of whether the interrupt was
> marked enabled/disabled in the descriptor or whether it was
> masked/unmasked at the controller while resuming.
>
> The current driver unconditionally clears the interrupt in its
> irq_enable callback. This is dangerous as any interrupts that
> happen right before the resume could be missed.
> Remove the irq_enable callback and use mask/unmask instead.
>
> Also remove struct pmic_arb_irq_spec as it serves no real purpose.
> It is used only in the translate function and the code is much
> cleaner without it.
Also a separate patch for that part....
>
> Signed-off-by: Abhijeet Dharmapurikar <adhar...@codeaurora.org>
> Signed-off-by: Kiran Gunda <kgu...@codeaurora.org>
> ---
> drivers/spmi/spmi-pmic-arb.c | 29 +++--------------------------
> 1 file changed, 3 insertions(+), 26 deletions(-)
>
> diff --git a/drivers/spmi/spmi-pmic-arb.c b/drivers/spmi/spmi-pmic-arb.c
> index 0a5728c..bc03737 100644
> --- a/drivers/spmi/spmi-pmic-arb.c
> +++ b/drivers/spmi/spmi-pmic-arb.c
> @@ -588,17 +588,6 @@ static void qpnpint_irq_unmask(struct irq_data *d)
> qpnpint_spmi_write(d, QPNPINT_REG_EN_CLR, &data, 1);
> }
>
> -static void qpnpint_irq_enable(struct irq_data *d)
> -{
> - u8 irq = d->hwirq >> 8;
> - u8 data;
> -
> - qpnpint_irq_unmask(d);
> -
> - data = BIT(irq);
> - qpnpint_spmi_write(d, QPNPINT_REG_LATCHED_CLR, &data, 1);
> -}
> -
> static int qpnpint_irq_set_type(struct irq_data *d, unsigned int flow_type)
> {
> struct spmi_pmic_arb_qpnpint_type type;
> @@ -647,7 +636,6 @@ static int qpnpint_get_irqchip_state(struct irq_data *d,
>
> static struct irq_chip pmic_arb_irqchip = {
> .name = "pmic_arb",
> - .irq_enable = qpnpint_irq_enable,
> .irq_ack = qpnpint_irq_ack,
> .irq_mask = qpnpint_irq_mask,
> .irq_unmask = qpnpint_irq_unmask,
This looks ok.
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
