From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937911AbcJRVY4 (ORCPT ); Tue, 18 Oct 2016 17:24:56 -0400 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:43450 "EHLO s-opensource.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935983AbcJRVYi (ORCPT ); Tue, 18 Oct 2016 17:24:38 -0400 From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Javier Martinez Canillas , Bjorn Andersson , Ohad Ben-Cohen , linux-remoteproc@vger.kernel.org Subject: [PATCH 2/3] remoteproc: qcom: wcnss: Fix module autoload Date: Tue, 18 Oct 2016 18:24:20 -0300 Message-Id: <1476825861-7880-3-git-send-email-javier@osg.samsung.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1476825861-7880-1-git-send-email-javier@osg.samsung.com> References: <1476825861-7880-1-git-send-email-javier@osg.samsung.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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/remoteproc/qcom_wcnss.ko | grep alias $ After this patch: $ modinfo drivers/remoteproc/qcom_wcnss.ko | grep alias alias: of:N*T*Cqcom,pronto-v2-pilC* alias: of:N*T*Cqcom,pronto-v2-pil alias: of:N*T*Cqcom,pronto-v1-pilC* alias: of:N*T*Cqcom,pronto-v1-pil alias: of:N*T*Cqcom,riva-pilC* alias: of:N*T*Cqcom,riva-pil Signed-off-by: Javier Martinez Canillas --- drivers/remoteproc/qcom_wcnss.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c index f5cedeaafba1..e5d9de94c1db 100644 --- a/drivers/remoteproc/qcom_wcnss.c +++ b/drivers/remoteproc/qcom_wcnss.c @@ -609,6 +609,7 @@ static const struct of_device_id wcnss_of_match[] = { { .compatible = "qcom,pronto-v2-pil", &pronto_v2_data }, { }, }; +MODULE_DEVICE_TABLE(of, wcnss_of_match); static struct platform_driver wcnss_driver = { .probe = wcnss_probe, -- 2.7.4