From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756446AbcKWQhr (ORCPT ); Wed, 23 Nov 2016 11:37:47 -0500 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:49346 "EHLO osg.samsung.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754343AbcKWQhl (ORCPT ); Wed, 23 Nov 2016 11:37:41 -0500 From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Javier Martinez Canillas , Mark Brown , linux-spi@vger.kernel.org Subject: [PATCH 3/4] spi: xlp: Fix module autoload for OF registration Date: Wed, 23 Nov 2016 13:37:10 -0300 Message-Id: <1479919031-5112-4-git-send-email-javier@osg.samsung.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1479919031-5112-1-git-send-email-javier@osg.samsung.com> References: <1479919031-5112-1-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/spi/spi-xlp.ko | grep alias alias: acpi*:BRCM900D:* After this patch: $ modinfo drivers/spi/spi-xlp.ko | grep alias alias: acpi*:BRCM900D:* alias: of:N*T*Cnetlogic,xlp832-spiC* alias: of:N*T*Cnetlogic,xlp832-spi Signed-off-by: Javier Martinez Canillas --- drivers/spi/spi-xlp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/spi/spi-xlp.c b/drivers/spi/spi-xlp.c index 4071a729eb2f..bea7a93a6046 100644 --- a/drivers/spi/spi-xlp.c +++ b/drivers/spi/spi-xlp.c @@ -451,6 +451,7 @@ static const struct of_device_id xlp_spi_dt_id[] = { { .compatible = "netlogic,xlp832-spi" }, { }, }; +MODULE_DEVICE_TABLE(of, xlp_spi_dt_id); static struct platform_driver xlp_spi_driver = { .probe = xlp_spi_probe, -- 2.7.4