From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 C1C8711C83 for ; Mon, 28 Aug 2023 10:25:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 40C54C433C8; Mon, 28 Aug 2023 10:25:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1693218324; bh=owHu+RkQ76r7NLYrkgCccjezdt48quNsM27i143hHVU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jRSUoIEGXyBNsqy5TBGeIAyoKzicv8BSNfsggLTAzGOiyIeKDrT2tyeZdhqKiikr3 ohJnDMaiFEDcYtJ7HeuvVO9jtNK3+yvjq+w5vZSfRSUoOim/TmSHOmnBzYlBG/LVeN RmklWgT2sjcEgIe6aCEljNGyB0nJLH0QKJUWlAeo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yangtao Li , "Michael S. Tsirkin" , Sasha Levin Subject: [PATCH 4.19 046/129] virtio-mmio: convert to devm_platform_ioremap_resource Date: Mon, 28 Aug 2023 12:12:20 +0200 Message-ID: <20230828101154.918205352@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230828101153.030066927@linuxfoundation.org> References: <20230828101153.030066927@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Yangtao Li [ Upstream commit c64eb62cfce242a57a7276ca8280ae0baab29d05 ] Use devm_platform_ioremap_resource() to simplify code, which contains platform_get_resource, devm_request_mem_region and devm_ioremap. Signed-off-by: Yangtao Li Signed-off-by: Michael S. Tsirkin Stable-dep-of: 55c91fedd03d ("virtio-mmio: don't break lifecycle of vm_dev") Signed-off-by: Sasha Levin --- drivers/virtio/virtio_mmio.c | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c index 17cd682acc22b..c20a678436263 100644 --- a/drivers/virtio/virtio_mmio.c +++ b/drivers/virtio/virtio_mmio.c @@ -548,18 +548,9 @@ static void virtio_mmio_release_dev(struct device *_d) static int virtio_mmio_probe(struct platform_device *pdev) { struct virtio_mmio_device *vm_dev; - struct resource *mem; unsigned long magic; int rc; - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!mem) - return -EINVAL; - - if (!devm_request_mem_region(&pdev->dev, mem->start, - resource_size(mem), pdev->name)) - return -EBUSY; - vm_dev = devm_kzalloc(&pdev->dev, sizeof(*vm_dev), GFP_KERNEL); if (!vm_dev) return -ENOMEM; @@ -571,9 +562,9 @@ static int virtio_mmio_probe(struct platform_device *pdev) INIT_LIST_HEAD(&vm_dev->virtqueues); spin_lock_init(&vm_dev->lock); - vm_dev->base = devm_ioremap(&pdev->dev, mem->start, resource_size(mem)); - if (vm_dev->base == NULL) - return -EFAULT; + vm_dev->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(vm_dev->base)) + return PTR_ERR(vm_dev->base); /* Check magic value */ magic = readl(vm_dev->base + VIRTIO_MMIO_MAGIC_VALUE); -- 2.40.1