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Date: Sat, 12 Sep 2020 21:47:59 -0500 From: Bjorn Andersson <bjorn.andersson@...aro.org> To: Alex Elder <elder@...aro.org> Cc: davem@...emloft.net, kuba@...nel.org, evgreen@...omium.org, subashab@...eaurora.org, cpratapa@...eaurora.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH net-next v2 6/7] net: ipa: enable wakeup on IPA interrupt On Fri 11 Sep 19:45 CDT 2020, Alex Elder wrote: > Now that we handle wakeup interrupts properly, arrange for the IPA > interrupt to be treated as a wakeup interrupt. > Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org> > Signed-off-by: Alex Elder <elder@...aro.org> > --- > drivers/net/ipa/ipa_interrupt.c | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/drivers/net/ipa/ipa_interrupt.c b/drivers/net/ipa/ipa_interrupt.c > index 90353987c45fc..cc1ea28f7bc2e 100644 > --- a/drivers/net/ipa/ipa_interrupt.c > +++ b/drivers/net/ipa/ipa_interrupt.c > @@ -237,8 +237,16 @@ struct ipa_interrupt *ipa_interrupt_setup(struct ipa *ipa) > goto err_kfree; > } > > + ret = enable_irq_wake(irq); > + if (ret) { > + dev_err(dev, "error %d enabling wakeup for \"ipa\" IRQ\n", ret); > + goto err_free_irq; > + } > + > return interrupt; > > +err_free_irq: > + free_irq(interrupt->irq, interrupt); > err_kfree: > kfree(interrupt); > > @@ -248,6 +256,12 @@ struct ipa_interrupt *ipa_interrupt_setup(struct ipa *ipa) > /* Tear down the IPA interrupt framework */ > void ipa_interrupt_teardown(struct ipa_interrupt *interrupt) > { > + struct device *dev = &interrupt->ipa->pdev->dev; > + int ret; > + > + ret = disable_irq_wake(interrupt->irq); > + if (ret) > + dev_err(dev, "error %d disabling \"ipa\" IRQ wakeup\n", ret); > free_irq(interrupt->irq, interrupt); > kfree(interrupt); > } > -- > 2.20.1 >
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