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bh=CxwA3DJ3ViKIdzagr2m8kE8L4GOotWrmViZBn3jHWi4=; b=OXsb0xPFHJHwq5RIcut7u6yv6VMAT2AVKnnKCPQVpwLj3XBBWt2rJMASgHUn+DwfRHd1RA afT8kL3pcdlMknfzq8JaCXFshoYp8qfmH0djqBMf1aKtetDTSKxkHwjxHjK9lT2q5PqLUS v4KyJixFgXzdPb1CfQs6Jg7NIKMvuB4= 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-660-K_nqMDSSN4WPFTDThD3jNA-1; Fri, 07 Jul 2023 09:59:40 -0400 X-MC-Unique: K_nqMDSSN4WPFTDThD3jNA-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 60093856F66; Fri, 7 Jul 2023 13:59:39 +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 4677C2166B25; Fri, 7 Jul 2023 13:59:26 +0000 (UTC) From: Baoquan He 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 , kernel test robot Subject: [PATCH 2/8] char: xillybus: make XILLYBUS_OF depend on HAS_IOMEM Date: Fri, 7 Jul 2023 21:58:46 +0800 Message-Id: <20230707135852.24292-3-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 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 X-Rspamd-Queue-Id: CDB941C0018 X-Rspam-User: X-Stat-Signature: 9mf15nzui3mks9pm8i3jkz4do37cn6n7 X-Rspamd-Server: rspam03 X-HE-Tag: 1688738382-888999 X-HE-Meta: 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 YniHx0E0 4r9LOn0E3DZNgK4bsC5FPNWqN02dhcqUtJEq5npGQigUk0RcoQDoKKH2KF7gMyCLUV/MOoTc+Jp2djB9uyhJt73nMtA5sKeShIq7j8gf0LlsA0/N9/1tV5CKyh9hce3FSDNicfGbPab4rKYSV/mLFsU+jkHcGzWD3lsfYuKai/SAaFFIfhzLPI4XxJN/P7F8RVMCIRVOcdMbP8xMQeBy0g/KQHv/8cmMxTDN1cLcf/sLUuBJn0AJGzNqLvqy0UY2kOA1PhDpl/l+MQGyWjCL6aLX7HAFlmIfobbPKlA8KkIB+PhxOAX9bxro+D9ZAyyFWo/pv0P8qzqBLSNlrvAjuKiw5B8Khu+U0IYegIUH+6pRYbEpewnt0efEiI9JB/LUYAwxsbHU4T9bc1HyReq8b+xD7OZXlB8/K9FTi0u7EqcKXl1t5XiFKkJ1kSUDJZ9uZmk+aohmMv/ybdfs= 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: 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 XILLYBUS_OF 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/char/xillybus/xillybus_of.ko] undefined! ------ Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202306211329.ticOJCSv-lkp@intel.com/ Signed-off-by: Baoquan He Cc: Eli Billauer Cc: Arnd Bergmann Cc: Greg Kroah-Hartman --- drivers/char/xillybus/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/char/xillybus/Kconfig b/drivers/char/xillybus/Kconfig index a8036dad437e..f51d533390a9 100644 --- a/drivers/char/xillybus/Kconfig +++ b/drivers/char/xillybus/Kconfig @@ -29,7 +29,7 @@ config XILLYBUS_PCIE config XILLYBUS_OF tristate "Xillybus over Device Tree" - depends on OF && HAS_DMA + depends on OF && HAS_DMA && HAS_IOMEM help Set to M if you want Xillybus to find its resources from the Open Firmware Flattened Device Tree. If the target is an embedded