From patchwork Sun Oct 16 13:45:07 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: 9378127 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 6CB71607FD for ; Sun, 16 Oct 2016 13:47:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5A8A328C74 for ; Sun, 16 Oct 2016 13:47:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4B92E28C8D; Sun, 16 Oct 2016 13:47:28 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id DD9D828C74 for ; Sun, 16 Oct 2016 13:47:27 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bvll2-0003bG-Qs; Sun, 16 Oct 2016 13:45:44 +0000 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49] helo=s-opensource.com) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bvlkx-00033t-Gw for linux-arm-kernel@lists.infradead.org; Sun, 16 Oct 2016 13:45:40 +0000 Received: from localhost (localhost [127.0.0.1]) by s-opensource.com (Postfix) with ESMTP id 78665A0E78; Sun, 16 Oct 2016 13:45:26 +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 WqkrtKprmJq8; Sun, 16 Oct 2016 13:45:26 +0000 (UTC) Received: from minerva.sisa.samsung.com (unknown [181.121.136.80]) by s-opensource.com (Postfix) with ESMTPSA id D95C9A0DFA; Sun, 16 Oct 2016 13:45:21 +0000 (UTC) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Subject: [PATCH v2] clk: samsung: clk-exynos-audss: Fix module autoload Date: Sun, 16 Oct 2016 10:45:07 -0300 Message-Id: <1476625507-21377-1-git-send-email-javier@osg.samsung.com> X-Mailer: git-send-email 2.7.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161016_064539_655748_717C845D X-CRM114-Status: UNSURE ( 9.52 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-samsung-soc@vger.kernel.org, Chanwoo Choi , Michael Turquette , Stephen Boyd , Tomasz Figa , Krzysztof Kozlowski , Javier Martinez Canillas , Kukjin Kim , Sylwester Nawrocki , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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/clk/samsung/clk-exynos-audss.ko | grep alias alias: platform:exynos-audss-clk After this patch: $ modinfo drivers/clk/samsung/clk-exynos-audss.ko | grep alias alias: platform:exynos-audss-clk alias: of:N*T*Csamsung,exynos5420-audss-clockC* alias: of:N*T*Csamsung,exynos5420-audss-clock alias: of:N*T*Csamsung,exynos5410-audss-clockC* alias: of:N*T*Csamsung,exynos5410-audss-clock alias: of:N*T*Csamsung,exynos5250-audss-clockC* alias: of:N*T*Csamsung,exynos5250-audss-clock alias: of:N*T*Csamsung,exynos4210-audss-clockC* alias: of:N*T*Csamsung,exynos4210-audss-clock Fixes: 4d252fd5719b ("clk: samsung: Allow modular build of the Audio Subsystem CLKCON driver") Signed-off-by: Javier Martinez Canillas Reviewed-by: Krzysztof Kozlowski Tested-by: Krzysztof Kozlowski --- Changes in v2: - Add fixes tag. Suggested by Krzysztof Kozlowski. - Add Krzysztof Kozlowski's Reviewed-by and Tested-by tags. drivers/clk/samsung/clk-exynos-audss.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/samsung/clk-exynos-audss.c b/drivers/clk/samsung/clk-exynos-audss.c index 51d152f735cc..17e68a724945 100644 --- a/drivers/clk/samsung/clk-exynos-audss.c +++ b/drivers/clk/samsung/clk-exynos-audss.c @@ -106,6 +106,7 @@ static const struct of_device_id exynos_audss_clk_of_match[] = { }, { }, }; +MODULE_DEVICE_TABLE(of, exynos_audss_clk_of_match); static void exynos_audss_clk_teardown(void) {