From mboxrd@z Thu Jan 1 00:00:00 1970 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DC9ACC25B08 for ; Mon, 15 Aug 2022 20:50:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346089AbiHOUuW (ORCPT ); Mon, 15 Aug 2022 16:50:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43692 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245187AbiHOUt1 (ORCPT ); Mon, 15 Aug 2022 16:49:27 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B7785B958F; Mon, 15 Aug 2022 12:09:16 -0700 (PDT) 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 E031260ACE; Mon, 15 Aug 2022 19:09:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DAEB0C433D7; Mon, 15 Aug 2022 19:09:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660590555; bh=t4VfIFbTd+hOKtBrkZrnhvdPwL/KK5ZpeGv/LvfhQqk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=V4gajcr0VIqq6ErcuZ3hlPM5xE0sC4vr8EmYAjGqWoS1W+AxUAdEI6MvnnvgIVLKG tjzEMvEmH6LTQiugzDchmbfvKVIYOMrljIGo2IX5rAoCt0mvx4OGF5Tac22+L3O80m U64nsDjwslKGK1FCae+dMJPOxYx6AlJe1trfelGI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Andy Shevchenko , Mark Brown , Sasha Levin Subject: [PATCH 5.18 0266/1095] spi: Return deferred probe error when controller isnt yet available Date: Mon, 15 Aug 2022 19:54:25 +0200 Message-Id: <20220815180440.746497365@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180429.240518113@linuxfoundation.org> References: <20220815180429.240518113@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andy Shevchenko [ Upstream commit 9c22ec4ac27bcc5a54dd406da168f403327a5b55 ] If the controller is not available, it might be in the future and we would like to re-probe the peripheral again. For that purpose return deferred probe. BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=215993 Fixes: 87e59b36e5e2 ("spi: Support selection of the index of the ACPI Spi Resource before alloc") Signed-off-by: Andy Shevchenko Link: https://lore.kernel.org/r/20220709212956.25530-1-andriy.shevchenko@linux.intel.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/spi/spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 2e6d6bbeb784..e1065768c537 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -2416,7 +2416,7 @@ static int acpi_spi_add_resource(struct acpi_resource *ares, void *data) ctlr = acpi_spi_find_controller_by_adev(adev); if (!ctlr) - return -ENODEV; + return -EPROBE_DEFER; lookup->ctlr = ctlr; } -- 2.35.1