From patchwork Mon Mar 13 18:29:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 13173080 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DA0A2C6FD19 for ; Mon, 13 Mar 2023 18:31:00 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DE58E10E5FA; Mon, 13 Mar 2023 18:30:57 +0000 (UTC) Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5C9A510E143; Mon, 13 Mar 2023 18:30:55 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B5E166147C; Mon, 13 Mar 2023 18:30:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A1439C433D2; Mon, 13 Mar 2023 18:30:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678732254; bh=xXfHOtpB42Nc5WnZyQQpmBHFWLUExBdm6jawq0Jm084=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0FMXy6Knts0+zZgypoJ0GS2NVaLO5tLbDYgKvXx7LMo+bv1jhAWytcutb/BiI1vmD yBEXUeCTIezUvb7qFu7X1zL/BBLS5n8X+R2ydR39/TuRmUuIlR6blTMiIf1xBYy5xQ 19+sdyeK0HrYZKr/HzYzLfOdhn58D730PvNR5Cdo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Subject: [PATCH 30/36] drm/i915/huc: use const struct bus_type pointers Date: Mon, 13 Mar 2023 19:29:12 +0100 Message-Id: <20230313182918.1312597-30-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313182918.1312597-1-gregkh@linuxfoundation.org> References: <20230313182918.1312597-1-gregkh@linuxfoundation.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=3256; i=gregkh@linuxfoundation.org; h=from:subject; bh=xXfHOtpB42Nc5WnZyQQpmBHFWLUExBdm6jawq0Jm084=; b=owGbwMvMwCRo6H6F97bub03G02pJDCn82dUOV8LkZs1rW1FbEZ2+du0D7wfbfUpebF2pHn7h+ 5lpjir1HbEsDIJMDLJiiixftvEc3V9xSNHL0PY0zBxWJpAhDFycAjARsTcM82y+VjUWN7TzOscl xYtl2WzK7ZLcwbDg8GWOaEHppcYb97/63/6QcaXxlcd/AA== X-Developer-Key: i=gregkh@linuxfoundation.org; a=openpgp; fpr=F4B60CC5BF78C2214A313DCB3147D40DDB2DFB29 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tony Ye , Tvrtko Ursulin , Alan Previn , rafael@kernel.org, Greg Kroah-Hartman , intel-gfx@lists.freedesktop.org, Daniele Ceraolo Spurio , dri-devel@lists.freedesktop.org, Rodrigo Vivi , Vitaly Lubart , John Harrison Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The struct bus_type pointers in the functions intel_huc_register_gsc_notifier() and intel_huc_unregister_gsc_notifier() should be a const pointer, as the structure is not modified anywhere in the functions, and the pointer they are passed will be a const * in the near future. Cc: Jani Nikula Cc: Joonas Lahtinen Cc: Rodrigo Vivi Cc: Tvrtko Ursulin Cc: David Airlie Cc: Daniel Vetter Cc: Daniele Ceraolo Spurio Cc: Alan Previn Cc: John Harrison Cc: Greg Kroah-Hartman Cc: Tony Ye Cc: Vitaly Lubart Cc: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: Greg Kroah-Hartman Acked-by: Tvrtko Ursulin --- Note, this is a patch that is a prepatory cleanup as part of a larger series of patches that is working on resolving some old driver core design mistakes. It will build and apply cleanly on top of 6.3-rc2 on its own, but I'd prefer if I could take it through my driver-core tree so that the driver core changes can be taken through there for 6.4-rc1. drivers/gpu/drm/i915/gt/uc/intel_huc.c | 4 ++-- drivers/gpu/drm/i915/gt/uc/intel_huc.h | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.c b/drivers/gpu/drm/i915/gt/uc/intel_huc.c index 410905da8e97..8b453bd7c953 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_huc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.c @@ -183,7 +183,7 @@ static int gsc_notifier(struct notifier_block *nb, unsigned long action, void *d return 0; } -void intel_huc_register_gsc_notifier(struct intel_huc *huc, struct bus_type *bus) +void intel_huc_register_gsc_notifier(struct intel_huc *huc, const struct bus_type *bus) { int ret; @@ -200,7 +200,7 @@ void intel_huc_register_gsc_notifier(struct intel_huc *huc, struct bus_type *bus } } -void intel_huc_unregister_gsc_notifier(struct intel_huc *huc, struct bus_type *bus) +void intel_huc_unregister_gsc_notifier(struct intel_huc *huc, const struct bus_type *bus) { if (!huc->delayed_load.nb.notifier_call) return; diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.h b/drivers/gpu/drm/i915/gt/uc/intel_huc.h index 52db03620c60..05d4832f8461 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_huc.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.h @@ -51,8 +51,8 @@ int intel_huc_check_status(struct intel_huc *huc); void intel_huc_update_auth_status(struct intel_huc *huc); bool intel_huc_is_authenticated(struct intel_huc *huc); -void intel_huc_register_gsc_notifier(struct intel_huc *huc, struct bus_type *bus); -void intel_huc_unregister_gsc_notifier(struct intel_huc *huc, struct bus_type *bus); +void intel_huc_register_gsc_notifier(struct intel_huc *huc, const struct bus_type *bus); +void intel_huc_unregister_gsc_notifier(struct intel_huc *huc, const struct bus_type *bus); static inline int intel_huc_sanitize(struct intel_huc *huc) {