From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="TojN5xCh" Received: from mail-ej1-x629.google.com (mail-ej1-x629.google.com [IPv6:2a00:1450:4864:20::629]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 55DC0F0 for ; Mon, 27 Nov 2023 01:54:59 -0800 (PST) Received: by mail-ej1-x629.google.com with SMTP id a640c23a62f3a-a00a9d677fcso544236066b.0 for ; Mon, 27 Nov 2023 01:54:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1701078898; x=1701683698; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:autocrypt:from:references:cc :to:content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=e1fxEeUFO6hXv/dX8KEIOFznR3jH91DRaPVdTptWqn4=; b=TojN5xCh0hbRe9cerxQigU9czGrdvqkuvYNXtqRBiNch/Vr5Q1XPnuJlxjgIvl//Gh J4IciKyBXX7mchNzp8RbmrnqwTD+YATNtcLClcEksIvjbUaP4sowaC9cOn4Zno84Zo7U QR2E6WGDa0bKlbVNXSabL1jW8QdRhtHODFIhqFhRIBsF7jXNECbIlwYV1BolYwT/POhO H2pDvA7RcSttNPW36+ldTGL/GLqA8LJhyjS0I+LR06q74fOKYsxOAWjcH6AAzMPfv3z7 WONagSWrtyiVzCbLELKS1iGzMbuvQ0eF0N0Y3BCyK2QrN9XQ1HqU4g3r8BCG7XJk1cX/ 3MKg== X-Google-DKIM-Signature: v=1; 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Mon, 27 Nov 2023 01:54:57 -0800 (PST) Received: from [192.168.1.20] ([178.197.223.109]) by smtp.gmail.com with ESMTPSA id bq23-20020a170906d0d700b00a0d02cfa48bsm2152219ejb.213.2023.11.27.01.54.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 27 Nov 2023 01:54:57 -0800 (PST) Message-ID: Date: Mon, 27 Nov 2023 10:54:56 +0100 Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] pinctrl: samsung: add irq_set_affinity() for non wake up external gpio interrupt Content-Language: en-US To: Youngmin Nam , tomasz.figa@gmail.com, s.nawrocki@samsung.com, alim.akhtar@samsung.com, linus.walleij@linaro.org Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, semen.protsenko@linaro.org References: <20231126094618.2545116-1-youngmin.nam@samsung.com> From: Krzysztof Kozlowski Autocrypt: addr=krzysztof.kozlowski@linaro.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 26/11/2023 10:46, Youngmin Nam wrote: > To support affinity setting for non wake up external gpio interrupt, > add irq_set_affinity callback using irq number from pinctrl driver data. > > Before this patch, changing the irq affinity of gpio interrupt is not possible: > > # cat /proc/irq/418/smp_affinity > 3ff > # echo 00f > /proc/irq/418/smp_affinity Does this command succeed on your board? > # cat /proc/irq/418/smp_affinity > 3ff > # cat /proc/interrupts > CPU0 CPU1 CPU2 CPU3 ... > 418: 3631 0 0 0 ... > > With this patch applied, it's possible to change irq affinity of gpio interrupt: ... On which board did you test it? > + if (parent) > + return parent->chip->irq_set_affinity(parent, dest, force); > + I think there is a helper for it: irq_chip_set_affinity_parent(). Best regards, Krzysztof