From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933573AbeEHSRk (ORCPT ); Tue, 8 May 2018 14:17:40 -0400 Received: from mail-lf0-f66.google.com ([209.85.215.66]:38919 "EHLO mail-lf0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932400AbeEHSRb (ORCPT ); Tue, 8 May 2018 14:17:31 -0400 X-Google-Smtp-Source: AB8JxZq3sj5Dd0wRPpIUnmYtnbVpfYJJ6lgKWT+Qb574Z5e9rHzw6E3q599QCO9T7Gupx5c14dH3qw== From: Dmitry Osipenko To: Joerg Roedel , Thierry Reding , Jonathan Hunter Cc: linux-tegra@vger.kernel.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 3/9] iommu/tegra: gart: Remove code related to module unloading Date: Tue, 8 May 2018 21:16:54 +0300 Message-Id: <20180508181700.5169-4-digetx@gmail.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180508181700.5169-1-digetx@gmail.com> References: <20180508181700.5169-1-digetx@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org GART driver is built-in, hence it can't be unloaded. This patch merely removes the dead code. Signed-off-by: Dmitry Osipenko --- drivers/iommu/tegra-gart.c | 25 +++---------------------- 1 file changed, 3 insertions(+), 22 deletions(-) diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c index de48943bf843..268d29fb9097 100644 --- a/drivers/iommu/tegra-gart.c +++ b/drivers/iommu/tegra-gart.c @@ -502,20 +502,6 @@ static int tegra_gart_probe(struct platform_device *pdev) return 0; } -static int tegra_gart_remove(struct platform_device *pdev) -{ - struct gart_device *gart = platform_get_drvdata(pdev); - - iommu_device_unregister(&gart->iommu); - iommu_device_sysfs_remove(&gart->iommu); - - writel(0, gart->regs + GART_CONFIG); - if (gart->savedata) - vfree(gart->savedata); - gart_handle = NULL; - return 0; -} - static const struct dev_pm_ops tegra_gart_pm_ops = { .suspend = tegra_gart_suspend, .resume = tegra_gart_resume, @@ -529,26 +515,21 @@ MODULE_DEVICE_TABLE(of, tegra_gart_of_match); static struct platform_driver tegra_gart_driver = { .probe = tegra_gart_probe, - .remove = tegra_gart_remove, .driver = { .name = "tegra-gart", .pm = &tegra_gart_pm_ops, .of_match_table = tegra_gart_of_match, + .suppress_bind_attrs = true, }, + .prevent_deferred_probe = true, }; static int tegra_gart_init(void) { return platform_driver_register(&tegra_gart_driver); } - -static void __exit tegra_gart_exit(void) -{ - platform_driver_unregister(&tegra_gart_driver); -} - subsys_initcall(tegra_gart_init); -module_exit(tegra_gart_exit); + module_param(gart_debug, bool, 0644); MODULE_PARM_DESC(gart_debug, "Enable GART debugging"); -- 2.17.0