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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 4C550C02188 for ; Mon, 27 Jan 2025 11:49:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=j3rCrfBQxRg34UHrvcXEAEaVpRPffRi4D+KAYfBVRcE=; b=iykS0DTXkOzCZGjyRd5A3q+/U/ hjdq1ojb/2VhiJzyx/NbYf1OBzAUfrnlGW0ylZyW1begeRvpFoY7bUhPmoyj3y+LX0i981oHDFlqY /9+uXLkTFFQyv/OPtaq4mh/H1+hu5bsewRtjSFw5NZ78hBIN3aInvt1hFb/xb9k0AU0ZLG3/Qnjig EYY0EBBErb+MjvSodmJ+fdSEe+2KF7Tr5ELNsHPurcdjnS6w/0GHY/aEe3RvpPTd8KEq5qwoA1rYA WGbDRMjIG6Cpz6HEwoSUoWhTJ21qwU01pRPUo+yFq/TVQOC186zZYRyoxQKWqb5Ct+nXFpdxAHI9K GpYlmLeA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tcNci-00000002FDN-1iOm; Mon, 27 Jan 2025 11:49:48 +0000 Received: from bali.collaboradmins.com ([148.251.105.195]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tcNbQ-00000002F8V-3ccm; Mon, 27 Jan 2025 11:48:30 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1737978507; bh=lc+C2L2elEfWKiD8GPckPA2FJyMup+IhWEW4zlgFAig=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=gzg2v/os61vIFPi7VAU4A/Dvy9J/wCYbsI/vpiIrry+fjO6XL+/NABr8UWmP7c3o2 +E+M3bW3V/jygyD7Fi7KDySzISf5Jk4mPh9xcMFYtbHJH/IpmbICdDgCHKJ8ETU9Jb YKO29XB9mfWFxi8J8xtyGCCfKvXR7aOj0X5ePCXAL9PTY/IpRynjpVXrBuJyTRT0xV pZR+bmMmXZXlXaBu45qNC5EK1ELPYlfTD0yCyUCrB0h2D/XlhrcREIUzI72A27d8eP lBl018apjofsBdTuIJdL+PhYSmlkgNQQ9so/RM/+bQI2Av/1D4AFAuHpoH9sdJsnRc C/rvwcQ8MQZPw== Received: from [192.168.1.100] (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id 91FA717E0B18; Mon, 27 Jan 2025 12:48:26 +0100 (CET) Message-ID: Date: Mon, 27 Jan 2025 12:48:26 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RESEND v3 2/2] pinctrl: mediatek: adapt to multi-base design To: Hao Chang , Sean Wang , Linus Walleij , Matthias Brugger Cc: Wenbin Mei , Axe Yang , Qingliang Li , Hanks Chen , Chunhui Li , linux-mediatek@lists.infradead.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <20250125025145.14405-1-ot_chhao.chang@mediatek.com> <20250125025145.14405-3-ot_chhao.chang@mediatek.com> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: <20250125025145.14405-3-ot_chhao.chang@mediatek.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250127_034829_060742_C75C4027 X-CRM114-Status: GOOD ( 19.78 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Il 25/01/25 03:51, Hao Chang ha scritto: > The eint num will obtain the operation address through pins. > Change the traversal method of irq handle from traversing a set of > registers to traversing one by one. > > Change-Id: I3962b78042d32501a73153201cddf52c6b62a695 > Signed-off-by: Hao Chang > Signed-off-by: Qingliang Li > --- > drivers/pinctrl/mediatek/mtk-eint.c | 38 +++++++++++++++++++---------- > 1 file changed, 25 insertions(+), 13 deletions(-) > > diff --git a/drivers/pinctrl/mediatek/mtk-eint.c b/drivers/pinctrl/mediatek/mtk-eint.c > index 540245c3128d..949a20196f74 100644 > --- a/drivers/pinctrl/mediatek/mtk-eint.c > +++ b/drivers/pinctrl/mediatek/mtk-eint.c > @@ -513,6 +513,7 @@ EXPORT_SYMBOL_GPL(mtk_eint_find_irq); > int mtk_eint_do_init(struct mtk_eint *eint) > { > unsigned int size, i, port; > + struct mtk_pinctrl *hw = (struct mtk_pinctrl *)eint->pctl; > > /* If clients don't assign a specific regs, let's use generic one */ > if (!eint->regs) > @@ -523,11 +524,11 @@ int mtk_eint_do_init(struct mtk_eint *eint) > if (!eint->base_pin_num) > return -ENOMEM; > > - if (!eint->pins) { > + if (eint->nbase == 1) { > size = eint->hw->ap_num * sizeof(struct mtk_eint_pin); > eint->pins = devm_kmalloc(eint->dev, size, GFP_KERNEL); > if (!eint->pins) > - return -ENOMEM; > + goto err_eint; > > eint->base_pin_num[0] = eint->hw->ap_num; > for (i = 0; i < eint->hw->ap_num; i++) { > @@ -536,34 +537,29 @@ int mtk_eint_do_init(struct mtk_eint *eint) > eint->pins[i].debounce = (i < eint->hw->db_cnt) ? 1 : 0; > } > } else { > + eint->pins = hw->soc->eint_pin; > for (i = 0; i < eint->hw->ap_num; i++) > eint->base_pin_num[eint->pins[i].instance]++; > } > > eint->wake_mask = devm_kmalloc(eint->dev, eint->nbase * sizeof(u32 *), GFP_KERNEL); > - if (!eint->wake_mask) > - return -ENOMEM; > - > eint->cur_mask = devm_kmalloc(eint->dev, eint->nbase * sizeof(u32 *), GFP_KERNEL); > - if (!eint->wake_mask) > - return -ENOMEM; This error checking was fine. Please keep it correct. if (!eint->wake_mask) { ret = -ENOMEM; goto err_wake_mask_alloc; } and if (!eint->cur_mask) { ret = -ENOMEM; goto err_cur_mask_alloc; } > + if (!eint->wake_mask || !eint->wake_mask) > + goto err_eint; > > for (i = 0; i < eint->nbase; i++) { > port = (eint->base_pin_num[i] + 31) / 32; > eint->wake_mask[i] = devm_kzalloc(eint->dev, port * sizeof(u32), GFP_KERNEL); > - if (!eint->wake_mask[i]) > - return -ENOMEM; > - > eint->cur_mask[i] = devm_kzalloc(eint->dev, port * sizeof(u32), GFP_KERNEL); > - if (!eint->cur_mask[i]) > - return -ENOMEM; > + if (!eint->cur_mask[i] || !eint->wake_mask[i]) > + goto err_eint; same here > } > > eint->domain = irq_domain_add_linear(eint->dev->of_node, > eint->hw->ap_num, > &irq_domain_simple_ops, NULL); > if (!eint->domain) > - return -ENOMEM; > + goto err_eint; > > if (eint->hw->db_time) { > for (i = 0; i < MTK_EINT_DBNC_MAX; i++) > @@ -585,6 +581,22 @@ int mtk_eint_do_init(struct mtk_eint *eint) > eint); > > return 0; > + > +err_eint: > + for (i = 0; i < eint->nbase; i++) { > + if (eint->wake_mask[i]) > + devm_kfree(eint->dev, eint->wake_mask[i]); > + if (eint->cur_mask[i]) > + devm_kfree(eint->dev, eint->cur_mask[i]); > + } > + if (eint->cur_mask) > + devm_kfree(eint->dev, eint->cur_mask); > + if (eint->wake_mask) > + devm_kfree(eint->dev, eint->wake_mask); > + if (eint->nbase == 1) > + devm_kfree(eint->dev, eint->pins); > + devm_kfree(eint->dev, eint->base_pin_num); ...and you should only kfree what was successfully allocated before. Regards, Angelo > + return -ENOMEM; > } > EXPORT_SYMBOL_GPL(mtk_eint_do_init); >