From patchwork Tue Apr 5 07:24:37 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 557966 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 61ECDC4743C for ; Tue, 5 Apr 2022 08:36:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241675AbiDEIfI (ORCPT ); Tue, 5 Apr 2022 04:35:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34714 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239390AbiDEIUC (ORCPT ); Tue, 5 Apr 2022 04:20:02 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 42A1DC55B5; Tue, 5 Apr 2022 01:12:24 -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 ams.source.kernel.org (Postfix) with ESMTPS id E530FB81B90; Tue, 5 Apr 2022 08:12:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5A401C385A0; Tue, 5 Apr 2022 08:12:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649146341; bh=FXIASGTXlwyPFhZKczifYvKVHhbnTeDqSdZKl1fpCmc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=t1VboZiZB2EfZK/HQPOKeTHvAe4R2l5XMrZ2a4y2/BJVq6InWHzv8AWBbnBgW6ePE zkVYpmiZWplMUgkx6TGQVXLc0suxOZpTbdXAHibFGc8IjtIyPGEPQmbWmLxhKvXIG4 xodwwCrZCYs0moIj0Yq2981hNRTzg7jeSnqBh4ZQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Geert Uytterhoeven , Sasha Levin Subject: [PATCH 5.17 0730/1126] pinctrl: renesas: checker: Fix miscalculation of number of states Date: Tue, 5 Apr 2022 09:24:37 +0200 Message-Id: <20220405070429.017455126@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220405070407.513532867@linuxfoundation.org> References: <20220405070407.513532867@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Geert Uytterhoeven [ Upstream commit de9b861018d46af27a5edff8b6baef35c0c0ad4f ] The checker failed to validate all enum IDs in the description of a register with fixed-width register fields, due to a miscalculation of the number of described states: each register field of n bits can have "1 << n" possible states, not "1". Increase SH_PFC_MAX_ENUMS accordingly, now more enum IDs are checked (SH-Mobile AG5 has more than 4000 enum IDs defined). Fixes: 12d057bad683b1c6 ("pinctrl: sh-pfc: checker: Add check for enum ID conflicts") Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/6d8a6a05564f38f9d20464c1c17f96e52740cf6a.1645460429.git.geert+renesas@glider.be Signed-off-by: Sasha Levin --- drivers/pinctrl/renesas/core.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/renesas/core.c b/drivers/pinctrl/renesas/core.c index 0d4ea2e22a53..12d41ac017b5 100644 --- a/drivers/pinctrl/renesas/core.c +++ b/drivers/pinctrl/renesas/core.c @@ -741,7 +741,7 @@ static int sh_pfc_suspend_init(struct sh_pfc *pfc) { return 0; } #ifdef DEBUG #define SH_PFC_MAX_REGS 300 -#define SH_PFC_MAX_ENUMS 3000 +#define SH_PFC_MAX_ENUMS 5000 static unsigned int sh_pfc_errors __initdata; static unsigned int sh_pfc_warnings __initdata; @@ -865,7 +865,8 @@ static void __init sh_pfc_check_cfg_reg(const char *drvname, GENMASK(cfg_reg->reg_width - 1, 0)); if (cfg_reg->field_width) { - n = cfg_reg->reg_width / cfg_reg->field_width; + fw = cfg_reg->field_width; + n = (cfg_reg->reg_width / fw) << fw; /* Skip field checks (done at build time) */ goto check_enum_ids; }