From patchwork Fri Nov 5 12:42:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 517230 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C8E61C43217 for ; Fri, 5 Nov 2021 12:43:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B3AFF61212 for ; Fri, 5 Nov 2021 12:43:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233027AbhKEMqJ (ORCPT ); Fri, 5 Nov 2021 08:46:09 -0400 Received: from mga04.intel.com ([192.55.52.120]:61253 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232727AbhKEMpw (ORCPT ); Fri, 5 Nov 2021 08:45:52 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10158"; a="230614570" X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="230614570" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Nov 2021 05:43:13 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="730520456" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga005.fm.intel.com with ESMTP; 05 Nov 2021 05:43:09 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id DDDE5ABE; Fri, 5 Nov 2021 14:43:01 +0200 (EET) From: Andy Shevchenko To: Andy Shevchenko , Bartosz Golaszewski , Jianqun Xu , Linus Walleij , Sai Krishna Potthuri , Andrew Morton , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Cc: Bamvor Jian Zhang , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Heiko Stuebner , Patrice Chotard , Michal Simek , Andy Shevchenko Subject: [PATCH v1 17/19] pinctrl: st: Switch to use devm_kasprintf_strarray() Date: Fri, 5 Nov 2021 14:42:40 +0200 Message-Id: <20211105124242.27288-17-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> References: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Since we have a generic helper, switch the module to use it. As a side effect, add check for the memory allocation failures and cleanup it either in error case or when driver is unloading. Signed-off-by: Andy Shevchenko --- drivers/pinctrl/pinctrl-st.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c index 9cb0da88b098..0fea71fd9a00 100644 --- a/drivers/pinctrl/pinctrl-st.c +++ b/drivers/pinctrl/pinctrl-st.c @@ -1624,6 +1624,8 @@ static int st_pctl_probe_dt(struct platform_device *pdev, for_each_child_of_node(np, child) { if (of_property_read_bool(child, "gpio-controller")) { const char *bank_name = NULL; + char **pin_names; + ret = st_gpiolib_register_bank(info, bank, child); if (ret) { of_node_put(child); @@ -1632,10 +1634,16 @@ static int st_pctl_probe_dt(struct platform_device *pdev, k = info->banks[bank].range.pin_base; bank_name = info->banks[bank].range.name; + + pin_names = devm_kasprintf_strarray(dev, bank_name, ST_GPIO_PINS_PER_BANK); + if (IS_ERR(pin_names)) { + of_node_put(child); + return PTR_ERR(pin_names); + } + for (j = 0; j < ST_GPIO_PINS_PER_BANK; j++, k++) { pdesc->number = k; - pdesc->name = kasprintf(GFP_KERNEL, "%s[%d]", - bank_name, j); + pdesc->name = pin_names[j]; pdesc++; } st_parse_syscfgs(info, bank, child);