Message ID | 20230707135852.24292-2-bhe@redhat.com (mailing list archive) |
---|---|
State | New |
Headers | show
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bh=MGtpw5Ijohgjr845woqe5tjbTFDfrclnX+uXDY4qJTo=; b=aRL5AxlBSb4PaUD34NiwlMu4GApcFNtukh3LtU6OZdLF1waYQury/HkFRiqXxNsZyVNfai 7sCc9GEWg+HpBVsV3W5Cxkvo3ABtCkE1ZB7L+Lk3WKqmWhZbNodkxCnrIxUzaOW/FS/VHS bMy2M8YCvK5jJxWHDr9f9knd5H2Feag= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-91-jdBeycFfMpWPcS0WdIfb0g-1; Fri, 07 Jul 2023 09:59:27 -0400 X-MC-Unique: jdBeycFfMpWPcS0WdIfb0g-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 7A140185A791; Fri, 7 Jul 2023 13:59:26 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (ovpn-12-39.pek2.redhat.com [10.72.12.39]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3BEDF2166B25; Fri, 7 Jul 2023 13:59:10 +0000 (UTC) From: Baoquan He <bhe@redhat.com> To: linux-kernel@vger.kernel.org Cc: akpm@linux-foundation.org, linux-mm@kvack.org, schnelle@linux.ibm.com, vkoul@kernel.org, eli.billauer@gmail.com, arnd@arndb.de, gregkh@linuxfoundation.org, derek.kiernan@amd.com, dragan.cvetic@amd.com, linux@dominikbrodowski.net, Jonathan.Cameron@huawei.com, linus.walleij@linaro.org, tsbogend@alpha.franken.de, joyce.ooi@intel.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, tglx@linutronix.de, maz@kernel.org, mturquette@baylibre.com, sboyd@kernel.org, robh+dt@kernel.org, frowand.list@gmail.com, Baoquan He <bhe@redhat.com>, kernel test robot <lkp@intel.com>, dmaengine@vger.kernel.org Subject: [PATCH 1/8] idmaengine: make FSL_EDMA and INTEL_IDMA64 depends on HAS_IOMEM Date: Fri, 7 Jul 2023 21:58:45 +0800 Message-Id: <20230707135852.24292-2-bhe@redhat.com> In-Reply-To: <20230707135852.24292-1-bhe@redhat.com> References: <20230707135852.24292-1-bhe@redhat.com> MIME-Version: 1.0 Content-type: text/plain Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 X-Rspamd-Queue-Id: DE0F8C0013 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: q1qtxzir5d5s1ymxiihmiwa3hburwgh7 X-HE-Tag: 1688738371-356345 X-HE-Meta: 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 kNVOLwFq cpoLvHpItNxLDWrg7JMM9soeUPo+3kGUG2yCo+njMOz8dCM6rxTt1s8VO8uKuJy8fQaQVDalGUgBEOx+QmOV4+S1WrX0ZiRvkJvaynu9mpymJxQb3cGe9nQZdyUX7BYGuku2qRKlqowKpLVE4D6w89px3Ux0w0jqBOjPh/GilG6T8HDHrsQXVK9iEBeiEtOotfmCwY3nnsNsZ1ikxZH9C09u0SglaKSBXskJCPffz77hSwEqdg9jJ8ZELlfLAH2wGOFwKCqbjVjgHw9IADXYBVMUJj+ZqA1ZTJNVJ9pAF72uRnF4s2ouB7pmt5hFgiuIqxc+yhBcbMcJzbyeGT+4bIo8MHDPfXFm2KuVJcZjNzrpc9pYDOGO9oP5QHA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> |
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Make several Kconfig options depend on HAS_IOMEM
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expand
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diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index 644c188d6a11..08fdd0e2ed1b 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -211,6 +211,7 @@ config FSL_DMA config FSL_EDMA tristate "Freescale eDMA engine support" depends on OF + depends on HAS_IOMEM select DMA_ENGINE select DMA_VIRTUAL_CHANNELS help @@ -280,6 +281,7 @@ config IMX_SDMA config INTEL_IDMA64 tristate "Intel integrated DMA 64-bit support" + depends on HAS_IOMEM select DMA_ENGINE select DMA_VIRTUAL_CHANNELS help
On s390 systems (aka mainframes), it has classic channel devices for networking and permanent storage that are currently even more common than PCI devices. Hence it could have a fully functional s390 kernel with CONFIG_PCI=n, then the relevant iomem mapping functions [including ioremap(), devm_ioremap(), etc.] are not available. Here let FSL_EDMA and INTEL_IDMA64 depend on HAS_IOMEM so that it won't be built to cause below compiling error if PCI is unset. -------- ERROR: modpost: "devm_platform_ioremap_resource" [drivers/dma/fsl-edma.ko] undefined! ERROR: modpost: "devm_platform_ioremap_resource" [drivers/dma/idma64.ko] undefined! -------- Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202306211329.ticOJCSv-lkp@intel.com/ Signed-off-by: Baoquan He <bhe@redhat.com> Cc: Vinod Koul <vkoul@kernel.org> Cc: dmaengine@vger.kernel.org --- drivers/dma/Kconfig | 2 ++ 1 file changed, 2 insertions(+)