From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from zg8tmtyylji0my4xnjqumte4.icoremail.net (zg8tmtyylji0my4xnjqumte4.icoremail.net [162.243.164.118]) by smtp.subspace.kernel.org (Postfix) with ESMTP id CBC3546A5F2 for ; Tue, 1 Sep 2026 07:32:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=162.243.164.118 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788247972; cv=none; b=J5LjZA6e14GBqbbSc6YUvb/g3tuVQ6txkSu0JZCISqG5s/Z47ooGCQAOvzB8JwCBqBhe4zKoZyvwY+jErJVuRmCdax6Q4fYviOwtABVvO4BZQhItfLV38rrl3Rtx3rJf7h7g6R+Ks3URtZTE9nWaaYrw1itn2jtjUFcx4ZC1ED8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788247972; c=relaxed/simple; bh=ehfy5au6BhmWQh51bKaz8NW/2H5zsMMTEQps1H5KOHw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=QqJX/6QwPklk5iR3tRr5V3NP505VBW5w6gDy2NUDH49BJONCR87PEdHTF5dIjiFmudBk4Suptc2MbMRpO5NtN5p9R4K2oFLpL6fZtnZCLqS14tB1lIQJEPzQPDPWlrKOzBtz4KHwgp47VfZM7oW01bTK2P8756axcQYq2j+81K8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=hust.edu.cn; spf=pass smtp.mailfrom=hust.edu.cn; arc=none smtp.client-ip=162.243.164.118 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=hust.edu.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=hust.edu.cn Received: from hust.edu.cn (unknown [172.16.0.52]) by app1 (Coremail) with UTF8SMTP id IAEQrMC23giYf5Zqmb5LAA--.5862S2; Tue, 01 Sep 2026 15:32:40 +0800 (CST) Received: from [10.12.169.158] (unknown [10.12.169.158]) by gateway (Coremail) with SMTP id _____wDHpNGQf5ZqKeU6AA--.60400S2; Tue, 01 Sep 2026 15:32:35 +0800 (CST) Message-ID: Date: Tue, 1 Sep 2026 15:32:32 +0800 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: [PATCH v2] irqdomain: Delete irq_domain_add_linear() To: "Jiri Slaby (SUSE)" , tglx@kernel.org Cc: linux-kernel@vger.kernel.org, Radu Rendec , Alex Shi , Yanteng Si References: <20260901070450.255507-1-jirislaby@kernel.org> From: Dongliang Mu In-Reply-To: <20260901070450.255507-1-jirislaby@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-CM-TRANSID:IAEQrMC23giYf5Zqmb5LAA--.5862S2 Authentication-Results: app1; spf=neutral smtp.mail=dzm91@hust.edu.cn; X-Coremail-Antispam: 1UD129KBjvJXoWxXFy7Jw1UGr45Xr48tw1rCrg_yoW5Gw4xpF W3J3WfWFsrJF1j939rWr4DuFySqa47Ga1DKa15K3Z3tFnIq34kKF4UurnYkFyUAFZ7CFW5 Cr12gFyv9FyqyFJanT9S1TB71UUUUjUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUQKb7Iv0xC_Cr1lb4IE77IF4wAFc2x0x2IEx4CE42xK8VAvwI8I cIk0rVWrJVCq3wA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK6xIIjx v20xvE14v26w1j6s0DM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4UJVWxJr1l84ACjcxK 6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_GcCE3s1ln4kS14v26r 1Y6r17M2vYz4IE04k24VAvwVAKI4IrM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI 12xvs2x26I8E6xACxx1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj64x0Y40En7xvr7AKxV W8Jr0_Cr1UMcIj6x8ErcxFaVAv8VW8uFyUJr1UMcIj6xkF7I0En7xvr7AKxVW8Jr0_Cr1U McvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvEwIxGrwCY1x0262kKe7AKxVWUAVWUtwCY02 Avz4vE-syl42xK82IYc2Ij64vIr41l42xK82IY6x8ErcxFaVAv8VW8uFyUJr1UMxC20s02 6xCaFVCjc4AY6r1j6r4UMxCIbckI1I0E14v26r1Y6r17MI8I3I0E5I8CrVAFwI0_Jr0_Jr 4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUAVWUtwCIc40Y0x0EwIxG rwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8Jw CI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2 z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7IU0EksPUUUUU== X-CM-SenderInfo: asqsiiirqrkko6kx23oohg3hdfq/ On 9/1/26 3:04 PM, Jiri Slaby (SUSE) wrote: > 7.3-rc1 is free of calls to irq_domain_add_linear(), so it can be > deleted at last. > > According to Dongliang Mu, the paragraph in the Chinese docs is now > obsolete. So drop it completely. > > Signed-off-by: Jiri Slaby (SUSE) > Cc: Thomas Gleixner > Cc: Radu Rendec > Cc: Alex Shi > Cc: Yanteng Si > Cc: Dongliang Mu Reviewed-by: Dongliang Mu > > --- > [v2] drop the whole paragraph (Dongliang Mu) > --- > .../zh_CN/core-api/irq/irq-domain.rst | 4 ---- > include/linux/irqdomain.h | 18 ------------------ > 2 files changed, 22 deletions(-) > > diff --git a/Documentation/translations/zh_CN/core-api/irq/irq-domain.rst b/Documentation/translations/zh_CN/core-api/irq/irq-domain.rst > index aaefeda0e164..7317cf5355c9 100644 > --- a/Documentation/translations/zh_CN/core-api/irq/irq-domain.rst > +++ b/Documentation/translations/zh_CN/core-api/irq/irq-domain.rst > @@ -90,10 +90,6 @@ irq_domain映射的类型 > 映射的优点是固定时间查找IRQ号，而且irq_descs只分配给在用的IRQ。 缺点是该表 > 必须尽可能大的hwirq号。 > > -irq_domain_add_linear()和irq_domain_create_linear()在功能上是等价的， > -除了第一个参数不同--前者接受一个Open Firmware特定的 'struct device_node' 而 > -后者接受一个更通用的抽象 'struct fwnode_handle' 。 > - > 大多数驱动应该使用线性映射 > > 树状映射 > diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h > index 73c25d40846c..3ba75a4ed3da 100644 > --- a/include/linux/irqdomain.h > +++ b/include/linux/irqdomain.h > @@ -752,24 +752,6 @@ static inline void msi_device_domain_free_wired(struct irq_domain *domain, unsig > } > #endif > > -static inline struct irq_domain *irq_domain_add_linear(struct device_node *of_node, > - unsigned int size, > - const struct irq_domain_ops *ops, > - void *host_data) > -{ > - struct irq_domain_info info = { > - .fwnode = of_fwnode_handle(of_node), > - .size = size, > - .hwirq_max = size, > - .ops = ops, > - .host_data = host_data, > - }; > - struct irq_domain *d; > - > - d = irq_domain_instantiate(&info); > - return IS_ERR(d) ? NULL : d; > -} > - > #else /* CONFIG_IRQ_DOMAIN */ > static inline void irq_dispose_mapping(unsigned int virq) { } > static inline struct irq_domain *irq_find_matching_fwnode(struct fwnode_handle *fwnode,