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Date: Fri, 13 May 2022 18:57:22 +0300 From: Kalle Valo <kvalo@...nel.org> To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> Cc: "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Govind Singh <govinds@...eaurora.org>, ath10k@...ts.infradead.org, linux-wireless@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Bjorn Andersson <bjorn.andersson@...aro.org>, linux-arm-msm@...r.kernel.org Subject: Re: [PATCH] ath10k: do not enforce interrupt trigger type Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> writes: > Interrupt line can be configured on different hardware in different way, > even inverted. Therefore driver should not enforce specific trigger > type - edge rising - but instead rely on Devicetree to configure it. > > All Qualcomm DTSI with WCN3990 define the interrupt type as level high, > so the mismatch between DTSI and driver causes rebind issues: > > $ echo 18800000.wifi > /sys/bus/platform/drivers/ath10k_snoc/unbind > $ echo 18800000.wifi > /sys/bus/platform/drivers/ath10k_snoc/bind > [ 44.763114] irq: type mismatch, failed to map hwirq-446 for interrupt-controller@...00000! > [ 44.763130] ath10k_snoc 18800000.wifi: error -ENXIO: IRQ index 0 not found > [ 44.763140] ath10k_snoc 18800000.wifi: failed to initialize resource: -6 So you tested on WCN3990? On what firmware version? I can add the Tested-on tag if you provide that. -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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