From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta1.migadu.com (out-107.mta1.migadu.com [95.215.58.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4688D2F12DA for ; Wed, 2 Sep 2026 02:43:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.107 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788317016; cv=none; b=PBTxKxoqIS5H/FnuX6djaj8k1zxUy8kkx4Pp+4LS3A2t8S3XFKCbWaq5TVT3Tiu5Y0GTcaFBHesXR2c+ldsjddVa6v9ses0OiSicn/ji3/C+E68cgY/aqdzAucZcK5AEAKb6wii/QOoNqMq7Hf5VjKEJZ8ZUeBvCBH5GNxasNl8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788317016; c=relaxed/simple; bh=Xe69XlRqZvTK+JNk8vfsg5yxOFqf3N37qunP2dh1jsg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=XfCLeAYv3qUH0a3NlIy/GliEQoLLD1crt84tb3eQnF2KAOFTXdtUlxUAxdTH5D8BYcmW38Ne0D/rlchOw1EbAHYqrdCRL+HrB775V36yJpr6mvOepKscuxW9QK+v5Cz3LrZKTnxF27Gtq3jfLMPF9k0DeSg1JKjSvB4W6YbNl7Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=YalEne44; arc=none smtp.client-ip=95.215.58.107 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="YalEne44" X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=Xe69XlRqZvTK+JNk8vfsg5yxOFqf3N37qunP2dh1jsg=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1788317011; v=1; x=1788921811; b=YalEne445hcaTJ4q+Isg+riH1aAY/F9aK3YrsvI1pMxodr7kjhJWqx3DuPosYWvbV5dRhxbw 4WklRgBh2cXrU+rkyyq7z2SN/TzNkxOXHhgz5Pyo4b7/30lDHRYc7SBHXKYkquRHq/fZbNSaw24 cYuthBa30KWG2lbdwFeFJgeE= X-Envelope-To: linux-kernel@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id 6cc57476be4b74c8; Wed, 02 Sep 2026 02:43:21 +0000 X-Mizu-Trace-ID: 6cc57476be4b74c8 X-Migadu-Flow: FLOW_OUT Message-ID: Date: Wed, 2 Sep 2026 10:43:14 +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: Dongliang Mu , "Jiri Slaby (SUSE)" , tglx@kernel.org Cc: linux-kernel@vger.kernel.org, Radu Rendec , Alex Shi References: <20260901070450.255507-1-jirislaby@kernel.org> Content-Language: en-US From: Yanteng Si In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit 在 2026/9/1 15:32, Dongliang Mu 写道: > > 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 Reviewed-by: Yanteng Si Thanks, Yanteng > >> >> --- >> [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, >