From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 734CB2576E for ; Thu, 10 Sep 2026 06:28:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789021725; cv=none; b=JIFjQdLtt1DxSzmT+2k5jPRSxJDswXkD+Ntdbf641lxGIy6GKtwn3Ko6FR8V31k7nnXhh/Lzi2KaMqHN4f5EITLbvf+iljVri+DCI7GXGVgI4yktiErtpHPH5vrR21GnfQlgbHddlwezi3m2Qiroq20gucfGNQRGDw0GQYRR3nQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789021725; c=relaxed/simple; bh=FIQSjaSCtNQo1sKYmTkp2kr1XmrOiTghO8W42iOm4ks=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=tf2U/vwuGi6D/hV9kIN8NGIMDHvWWzSbaLCMcdAQfZph7cDctdpyjamsVw/1PUJQnY7qVGko5vyhE5ZCK4Vxmu7mDfoer+qbO3V20R3w3Z5bfSW0HLJSHUk8HIrPjE1zQDEPNcS9m6hjYnVIOefF9W4X/2SwJYfQyE83j8gkZHE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lvwO3Uxq; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="lvwO3Uxq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 63B741F000FF; Thu, 10 Sep 2026 06:28:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789021723; bh=J5OsNpzXow/5o2jOPSekRVovtAwip9X556IzMiie/4g=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=lvwO3UxqSyb5TUYV31KEAVIQUEqzf+XRCT3XySXgpKqzzkDtrsxa29OAIw5ijgYbs CwDTGJzxpAr2BRP4zHMiVgjd6Qff21dUxsuMz4XPh3CkJJVI62EYFUJuiuovI7+wnp Yg1u1VDGrxhfSedbtBxNaKS41+/8Tk4zVjQoezMaihYAtBPg4+bFDQd3aOeFV0I7kE puFHdlEJjSldUnMJhtpp2yG6SGYjQ4ZHOk2d4O7Smg4mBBKNoXkl/eXlLvgDgCemS0 7h8ZLW01kdA7DBoLR1DHj70j+o+x1gYTFJu6O87px9HgKoSvdI7Er/etzsaTJJFjO8 d/ykoc5ZmdfXA== Message-ID: <9a6b150a-63c4-4009-ae7b-3b8ab91efb11@kernel.org> Date: Thu, 10 Sep 2026 08:28:38 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCHv2 1/4] memory: fsl_ifc: Fix optional NAND IRQ handling and migrate to platform IRQ API To: Rosen Penev Cc: linux-kernel@vger.kernel.org References: <20260721202450.485171-1-rosenp@gmail.com> <20260721202450.485171-2-rosenp@gmail.com> <3bfabe23-b88d-4548-a7a4-06bf526c3a31@kernel.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit On 10/09/2026 00:33, Rosen Penev wrote: > On Tue, Sep 8, 2026 at 11:00 PM Krzysztof Kozlowski wrote: >> >> On 06/09/2026 20:34, Rosen Penev wrote: >>> On Tue, Sep 1, 2026 at 8:29 AM Krzysztof Kozlowski wrote: >>>>> dev_set_drvdata(&dev->dev, NULL); >>>>> @@ -204,9 +202,21 @@ static int fsl_ifc_ctrl_probe(struct platform_device *dev) >>>>> int ret = 0; >>>>> int version, banks; >>>>> void __iomem *addr; >>>>> + int nand_irq; >>>>> + int irq; >>>> >>>> Why do you need the intermediate variables? >>> In order to call platform_get_irq before any allocation happens in probe. >>>> >> >> But allocation is the first thing the probe is doing. > We're going in circles. > > It's better to return -EPROBE_DEFER as early as possible to avoid > doing anything. Then you would be getting all resources like that in every driver... and we don't. Plus deferred probe on IRQ is highly unlikely. Best regards, Krzysztof