From patchwork Mon Oct 17 19:40:14 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Javier Martinez Canillas X-Patchwork-Id: 9412099 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 19A6960722 for ; Fri, 4 Nov 2016 08:46:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1357B2B0E4 for ; Fri, 4 Nov 2016 08:46:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 083532B0E5; Fri, 4 Nov 2016 08:46:19 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.sourceforge.net (lists.sourceforge.net [216.34.181.88]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 198992B0EC for ; Fri, 4 Nov 2016 08:46:16 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=sfs-ml-2.v29.ch3.sourceforge.com) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1c2a8c-0000aK-4c; Fri, 04 Nov 2016 08:46:14 +0000 Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1bwDly-0001AE-Ni for tpmdd-devel@lists.sourceforge.net; Mon, 17 Oct 2016 19:40:34 +0000 Received-SPF: pass (sog-mx-1.v43.ch3.sourceforge.com: domain of osg.samsung.com designates 52.27.115.49 as permitted sender) client-ip=52.27.115.49; envelope-from=javier@osg.samsung.com; helo=s-opensource.com; Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49] helo=s-opensource.com) by sog-mx-1.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1bwDlx-0006wX-MY for tpmdd-devel@lists.sourceforge.net; Mon, 17 Oct 2016 19:40:34 +0000 Received: from localhost (localhost [127.0.0.1]) by s-opensource.com (Postfix) with ESMTP id F1E79A0E77; Mon, 17 Oct 2016 19:40:34 +0000 (UTC) X-Virus-Scanned: amavisd-new at osg.samsung.com Received: from s-opensource.com ([127.0.0.1]) by localhost (s-opensource.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1LxKLo90AuLJ; Mon, 17 Oct 2016 19:40:34 +0000 (UTC) Received: from minerva.sisa.samsung.com (unknown [181.121.136.80]) by s-opensource.com (Postfix) with ESMTPSA id 562D1A0DFA; Mon, 17 Oct 2016 19:40:29 +0000 (UTC) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Date: Mon, 17 Oct 2016 16:40:14 -0300 Message-Id: <1476733214-19044-1-git-send-email-javier@osg.samsung.com> X-Mailer: git-send-email 2.7.4 X-Headers-End: 1bwDlx-0006wX-MY X-Mailman-Approved-At: Fri, 04 Nov 2016 08:46:12 +0000 Cc: Herbert Xu , Neil Armstrong , Kevin Hilman , Matt Mackall , Javier Martinez Canillas , tpmdd-devel@lists.sourceforge.net, linux-crypto@vger.kernel.org, PrasannaKumar Muralidharan , Carlo Caione , linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org Subject: [tpmdd-devel] [PATCH] hwrng: meson: Fix module autoload for OF registration X-BeenThere: tpmdd-devel@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: Tpm Device Driver maintainance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: tpmdd-devel-bounces@lists.sourceforge.net X-Virus-Scanned: ClamAV using ClamSMTP If the driver is built as a module, autoload won't work because the module alias information is not filled. So user-space can't match the registered device with the corresponding module. Export the module alias information using the MODULE_DEVICE_TABLE() macro. Before this patch: $ modinfo drivers/char/hw_random/meson-rng.ko | grep alias alias: platform:meson-rng After this patch: $ modinfo drivers/char/hw_random/meson-rng.ko | grep alias alias: platform:meson-rng alias: of:N*T*Camlogic,meson-rngC* alias: of:N*T*Camlogic,meson-rng Signed-off-by: Javier Martinez Canillas --- drivers/char/hw_random/meson-rng.c | 1 + drivers/char/tpm/Kconfig | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/char/hw_random/meson-rng.c b/drivers/char/hw_random/meson-rng.c index 58bef39f7286..51864a509be7 100644 --- a/drivers/char/hw_random/meson-rng.c +++ b/drivers/char/hw_random/meson-rng.c @@ -110,6 +110,7 @@ static const struct of_device_id meson_rng_of_match[] = { { .compatible = "amlogic,meson-rng", }, {}, }; +MODULE_DEVICE_TABLE(of, meson_rng_of_match); static struct platform_driver meson_rng_driver = { .probe = meson_rng_probe, diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig index 9faa0b1e7766..982ed2fe927c 100644 --- a/drivers/char/tpm/Kconfig +++ b/drivers/char/tpm/Kconfig @@ -32,7 +32,7 @@ config TCG_TIS_CORE config TCG_TIS tristate "TPM Interface Specification 1.2 Interface / TPM 2.0 FIFO Interface" - depends on X86 + depends on X86 || COMPILE_TEST select TCG_TIS_CORE ---help--- If you have a TPM security chip that is compliant with the