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Date: Mon, 6 Jan 2020 20:19:19 +0100 From: Jean-Philippe Brucker <jean-philippe@...aro.org> To: Dmitry Osipenko <digetx@...il.com> Cc: Arend Van Spriel <arend.vanspriel@...adcom.com>, linux-wireless@...r.kernel.org, brcm80211-dev-list.pdl@...adcom.com, brcm80211-dev-list@...ress.com, netdev@...r.kernel.org, hdegoede@...hat.com, franky.lin@...adcom.com, hante.meuleman@...adcom.com, chi-hsien.lin@...ress.com, wright.feng@...ress.com, kvalo@...eaurora.org, davem@...emloft.net Subject: Re: [PATCH] brcmfmac: sdio: Fix OOB interrupt initialization on brcm43362 Hi Dmitry, On Thu, Dec 26, 2019 at 05:37:58PM +0300, Dmitry Osipenko wrote: > I haven't seen any driver probe failures due to OOB on NVIDIA Tegra, > only suspend-resume was problematic due to the unbalanced OOB > interrupt-wake enabling. > > But maybe checking whether OOB interrupt-wake works by invoking > enable_irq_wake() during brcmf_sdiod_intr_register() causes trouble for > the cubietruck board. > > @Jean-Philippe, could you please try this change (on top of recent > linux-next): Sorry for the delay, linux-next doesn't boot for me at the moment and I have little time to investigate why, so I might retry closer to the merge window. However, isn't the interrupt-wake issue independent from the problem (introduced in v4.17) that my patch fixes? I applied "brcmfmac: Keep OOB wake-interrupt disabled when it shouldn't be enabled" on v5.5-rc5 and it doesn't seem to cause a regression, but the wifi only works if I apply my patch as well. Thanks, Jean > > diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c > b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c > index b684a5b6d904..80d7106b10a9 100644 > --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c > +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c > @@ -115,13 +115,6 @@ int brcmf_sdiod_intr_register(struct brcmf_sdio_dev > *sdiodev) > } > sdiodev->oob_irq_requested = true; > > - ret = enable_irq_wake(pdata->oob_irq_nr); > - if (ret != 0) { > - brcmf_err("enable_irq_wake failed %d\n", ret); > - return ret; > - } > - disable_irq_wake(pdata->oob_irq_nr); > - > sdio_claim_host(sdiodev->func1); > > if (sdiodev->bus_if->chip == BRCM_CC_43362_CHIP_ID) {
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