From patchwork Thu May 6 15:37:16 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mattijs Korpershoek X-Patchwork-Id: 431863 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 6BB28C433ED for ; Thu, 6 May 2021 15:40:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4FB36610E9 for ; Thu, 6 May 2021 15:40:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235188AbhEFPlW (ORCPT ); Thu, 6 May 2021 11:41:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35312 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235689AbhEFPlG (ORCPT ); Thu, 6 May 2021 11:41:06 -0400 Received: from mail-wr1-x431.google.com (mail-wr1-x431.google.com [IPv6:2a00:1450:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DEED7C061763 for ; Thu, 6 May 2021 08:37:28 -0700 (PDT) Received: by mail-wr1-x431.google.com with SMTP id l14so6113153wrx.5 for ; Thu, 06 May 2021 08:37:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=oW516jzYudrgPpoHV87MKKEstdKadYWrqHFNhZ2YbXA=; b=IXg8o5wjRe5tnEMU6NOudBSTzNqehm2jpqFD2uSexwVdQ672TmU2uAGQncSu7UqNPg CrmtEvYFXjnGmexJXSdcPrvaMYM4qX+uDtCdp+LN273fLznYzyJauDUJs6JdXXOh/A1B D28RQVcG6mYoPM4bd1jPQY/9glaZLpZcZBBzjg3pmhTTpBtX9AnHox6ZmjmMf54Bj0Ii 1UMpTJAw6qlB6BBe1QYcxAT0u6McMDdrxqadMq8o2OgnN47ITYFV31M0a1F8x7Ccr2y5 52CjetHDs27ekPEpbpBuhXlxPLSzp3ER/awpJiJtAlhfBwWO1Hw5Z37t2HvpUc+jhN+i GaIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=oW516jzYudrgPpoHV87MKKEstdKadYWrqHFNhZ2YbXA=; b=MGws8e4PqL4h+1GgsBPF3xeeDiRXIvibRcaFE4ySMx0TJ9hArsWmb6RChqvQHmx9V5 HIT87FDPWgpD5IENkY20MSzWPqNJ85t4fwzzf74cV52o6wRS+IdWpKw90D5X2ekKNXZs NE51AnlpdxgSApTEG8A+btQP1Uv42CYpgOk/Mha5wMbbDYG2O8+XqQ6mNqCBR1B+ng+z Cc/has7baXd2dbZxoRDqu80yahfc6lod08xXRVHlQPlmxjfm0kbkisYABqolk4BmyS5W 9ZnhttDerYzLRMfP4lzzf/Iy0h3VQt3C2/EDqovlYeJ2aBnLlMuKJoL7TADsaZ6Wexnn qgyA== X-Gm-Message-State: AOAM530ur2tQifT5DTDtVO7YI6EVCj0wmMDfpfJaS6uZYkv80WBuamZN GXprPAHc72GIXsv4kcrqMiwyXA== X-Google-Smtp-Source: ABdhPJyd0JoHB9yNIkDQl4FPDKaa1IAPD7vl4654KnfHoAWsbt2C1ycq3EFe43odqrh+MHp1zRA6hw== X-Received: by 2002:a5d:408f:: with SMTP id o15mr5845999wrp.89.1620315447483; Thu, 06 May 2021 08:37:27 -0700 (PDT) Received: from groot.home ([2a01:cb19:826e:8e00:5fe0:3a70:ad4a:a29b]) by smtp.gmail.com with ESMTPSA id o13sm3788673wmh.34.2021.05.06.08.37.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 May 2021 08:37:27 -0700 (PDT) From: Mattijs Korpershoek To: Dmitry Torokhov , Matthias Brugger Cc: Fabien Parent , linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Mattijs Korpershoek , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH 1/3] Input: mtk-pmic-keys - use get_irq_byname() instead of index Date: Thu, 6 May 2021 17:37:16 +0200 Message-Id: <20210506153718.256903-2-mkorpershoek@baylibre.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210506153718.256903-1-mkorpershoek@baylibre.com> References: <20210506153718.256903-1-mkorpershoek@baylibre.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Some pmics of the mt6397 family (such as MT6358), have two IRQs per physical key: one for press event, another for release event. The mtk-pmic-keys driver assumes that each key only has one IRQ. The key index and the RES_IRQ resource index have a 1/1 mapping. This won't work for MT6358, as we have multiple resources (2) for one key. To prepare mtk-pmic-keys to support MT6358, retrieve IRQs by name instead of by index. Signed-off-by: Mattijs Korpershoek --- drivers/input/keyboard/mtk-pmic-keys.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/input/keyboard/mtk-pmic-keys.c b/drivers/input/keyboard/mtk-pmic-keys.c index 62391d6c7da6..d1abf95d5701 100644 --- a/drivers/input/keyboard/mtk-pmic-keys.c +++ b/drivers/input/keyboard/mtk-pmic-keys.c @@ -241,6 +241,7 @@ static int mtk_pmic_keys_probe(struct platform_device *pdev) unsigned int keycount; struct mt6397_chip *pmic_chip = dev_get_drvdata(pdev->dev.parent); struct device_node *node = pdev->dev.of_node, *child; + static const char *const irqnames[] = { "powerkey", "homekey" }; struct mtk_pmic_keys *keys; const struct mtk_pmic_regs *mtk_pmic_regs; struct input_dev *input_dev; @@ -268,7 +269,8 @@ static int mtk_pmic_keys_probe(struct platform_device *pdev) input_dev->id.version = 0x0001; keycount = of_get_available_child_count(node); - if (keycount > MTK_PMIC_MAX_KEY_COUNT) { + if (keycount > MTK_PMIC_MAX_KEY_COUNT || + keycount > ARRAY_SIZE(irqnames)) { dev_err(keys->dev, "too many keys defined (%d)\n", keycount); return -EINVAL; } @@ -276,7 +278,8 @@ static int mtk_pmic_keys_probe(struct platform_device *pdev) for_each_child_of_node(node, child) { keys->keys[index].regs = &mtk_pmic_regs->keys_regs[index]; - keys->keys[index].irq = platform_get_irq(pdev, index); + keys->keys[index].irq = + platform_get_irq_byname(pdev, irqnames[index]); if (keys->keys[index].irq < 0) { of_node_put(child); return keys->keys[index].irq;