From patchwork Thu Jan 25 13:37:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 13530830 X-Patchwork-Delegate: geert@linux-m68k.org Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 844EF57317; Thu, 25 Jan 2024 13:37:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706189874; cv=none; b=QmGejuHgjbbjNvWTyF97Rkfimfq5z90qOVfysx+XADzD9XMZdoL/fZHqVKPdaQHyx3b1arTI5AoZRkHMU0a3JSUhchLRP2Dy+L+Q+ev1LXoXyJ/B6Hc9lFaeOaawzBvdX0DZSs6jEuYLTjWn3Uz/ZLyH/rz/6xBRJGiekEBUuHE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706189874; c=relaxed/simple; bh=uwWvPBBLizGvEQ452Or9FXvr01UgQnxipDT2WEbzpqQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=ELcfXhtWOordSxnLVV3Tvmye6iiL+NbfozllLO2cnx65M0+zlSvPWtZV0qu0QoVufUAmHYl0bAUqsQo4aOZNmQwMP929wgczje1C6qx+9py5rcefTqb/FvP5qFEm2hvy//NFtxaGD5Ms8h008hSc8JIsjA4zxfIHqDEjSrdJCUw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com; spf=pass smtp.mailfrom=bp.renesas.com; arc=none smtp.client-ip=210.160.252.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bp.renesas.com X-IronPort-AV: E=Sophos;i="6.05,216,1701097200"; d="scan'208";a="195621352" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 25 Jan 2024 22:37:45 +0900 Received: from localhost.localdomain (unknown [10.226.92.215]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 047BC42C93AB; Thu, 25 Jan 2024 22:37:42 +0900 (JST) From: Biju Das To: Dmitry Torokhov Cc: Biju Das , Support Opensource , linux-input@vger.kernel.org, Geert Uytterhoeven , Prabhakar Mahadev Lad , Biju Das , linux-renesas-soc@vger.kernel.org Subject: [PATCH v3 2/3] Input: da9063_onkey - Drop scheduling work Date: Thu, 25 Jan 2024 13:37:32 +0000 Message-Id: <20240125133733.95081-3-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240125133733.95081-1-biju.das.jz@bp.renesas.com> References: <20240125133733.95081-1-biju.das.jz@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On threaded case it might be cleaner to avoid scheduling work and simply loop in the interrupt thread as it can sleep. Suggested-by: Dmitry Torokhov Signed-off-by: Biju Das --- drivers/input/misc/da9063_onkey.c | 18 ++++-------------- 1 file changed, 4 insertions(+), 14 deletions(-) diff --git a/drivers/input/misc/da9063_onkey.c b/drivers/input/misc/da9063_onkey.c index 06ad9d09ada8..e5256bf31140 100644 --- a/drivers/input/misc/da9063_onkey.c +++ b/drivers/input/misc/da9063_onkey.c @@ -13,7 +13,6 @@ #include #include #include -#include #include #include #include @@ -36,7 +35,6 @@ struct da906x_chip_config { }; struct da9063_onkey { - struct delayed_work work; struct input_dev *input; struct device *dev; struct regmap *regmap; @@ -82,11 +80,8 @@ static void da9063_onkey_report_key(struct da9063_onkey *onkey, input_sync(onkey->input); } -static void da9063_poll_on(struct work_struct *work) +static bool da9063_poll_on(struct da9063_onkey *onkey) { - struct da9063_onkey *onkey = container_of(work, - struct da9063_onkey, - work.work); const struct da906x_chip_config *config = onkey->config; unsigned int val; int fault_log = 0; @@ -151,8 +146,7 @@ static void da9063_poll_on(struct work_struct *work) } err_poll: - if (poll) - schedule_delayed_work(&onkey->work, msecs_to_jiffies(50)); + return poll; } static irqreturn_t da9063_onkey_irq_handler(int irq, void *data) @@ -165,7 +159,8 @@ static irqreturn_t da9063_onkey_irq_handler(int irq, void *data) error = regmap_read(onkey->regmap, config->onkey_status, &val); da9063_onkey_report_key(onkey, KEY_POWER, 1); if (onkey->key_power && !error && (val & config->onkey_nonkey_mask)) { - schedule_delayed_work(&onkey->work, 0); + while (da9063_poll_on(onkey)) + msleep(50); dev_dbg(onkey->dev, "KEY_POWER long press.\n"); } else { da9063_onkey_report_key(onkey, KEY_POWER, 0); @@ -211,11 +206,6 @@ static int da9063_onkey_probe(struct platform_device *pdev) input_set_capability(onkey->input, EV_KEY, KEY_POWER); - error = devm_delayed_work_autocancel(&pdev->dev, &onkey->work, - da9063_poll_on); - if (error) - return error; - irq = platform_get_irq_byname(pdev, "ONKEY"); if (irq < 0) return irq;