From patchwork Sat Jul 17 17:48:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Paul Cercueil X-Patchwork-Id: 479410 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9DFACC636CA for ; Sat, 17 Jul 2021 17:48:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8B4DD61103 for ; Sat, 17 Jul 2021 17:48:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234337AbhGQRvw (ORCPT ); Sat, 17 Jul 2021 13:51:52 -0400 Received: from aposti.net ([89.234.176.197]:56910 "EHLO aposti.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234214AbhGQRvw (ORCPT ); Sat, 17 Jul 2021 13:51:52 -0400 From: Paul Cercueil To: Linus Walleij Cc: =?utf-8?b?5ZGo55Cw5p2w?= , linux-mips@vger.kernel.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Paul Cercueil Subject: [PATCH 3/3] pinctrl: ingenic: Add .max_register in regmap_config Date: Sat, 17 Jul 2021 18:48:36 +0100 Message-Id: <20210717174836.14776-3-paul@crapouillou.net> In-Reply-To: <20210717174836.14776-1-paul@crapouillou.net> References: <20210717174836.14776-1-paul@crapouillou.net> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Compute the max register from the GPIO chip offset and number of GPIO chips. This permits to read all registers from debugfs. Signed-off-by: Paul Cercueil Tested-by: 周琰杰 (Zhou Yanjie) --- drivers/pinctrl/pinctrl-ingenic.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/pinctrl-ingenic.c b/drivers/pinctrl/pinctrl-ingenic.c index 263498be8e31..2bbcb8063a16 100644 --- a/drivers/pinctrl/pinctrl-ingenic.c +++ b/drivers/pinctrl/pinctrl-ingenic.c @@ -3759,6 +3759,7 @@ static int __init ingenic_pinctrl_probe(struct platform_device *pdev) void __iomem *base; const struct ingenic_chip_info *chip_info; struct device_node *node; + struct regmap_config regmap_config; unsigned int i; int err; @@ -3776,8 +3777,10 @@ static int __init ingenic_pinctrl_probe(struct platform_device *pdev) if (IS_ERR(base)) return PTR_ERR(base); - jzpc->map = devm_regmap_init_mmio(dev, base, - &ingenic_pinctrl_regmap_config); + regmap_config = ingenic_pinctrl_regmap_config; + regmap_config.max_register = chip_info->num_chips * chip_info->reg_offset; + + jzpc->map = devm_regmap_init_mmio(dev, base, ®map_config); if (IS_ERR(jzpc->map)) { dev_err(dev, "Failed to create regmap\n"); return PTR_ERR(jzpc->map);