From patchwork Thu Feb 1 18:00:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Davis X-Patchwork-Id: 13541541 Received: from lelv0143.ext.ti.com (lelv0143.ext.ti.com [198.47.23.248]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F2C7012880C; Thu, 1 Feb 2024 18:01:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.248 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810496; cv=none; b=jR+clYl4utEf15MzrClt+GT51w7VJDKaSfz61g+PH3RoFnR8F9wTPu1VDIdLing3FejzIyOEpocESR9wOfD1rWw/kzfPpzJfQszVxRdHf47q3hnjMsAx6/HpcQM0w+cd4+DCY9dI2Xl5G/5rVwQbroQdjJt3DBJ+WUI9lTsCATw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810496; c=relaxed/simple; bh=wOijXjJjHUtVV5dF2aD/1HsDkNeACwTKkwSZrl92nVA=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=GSyx2j54IwjhOaXUfRVG3YfwT9eKLJuAMA+ddSDUCDP1tT5T5SeACagRWGL+xSJaFU8HEGobgvGVdSDL6O9i5AdAe16+tXP53KZ3HYj82aY8Jr2SGHlnxWsh8f1NkTE6T50WUKOS8AEA5T4rVmia91gVDo2B1rYF+wsMz7QzKgY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=TkMHSo1B; arc=none smtp.client-ip=198.47.23.248 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="TkMHSo1B" Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 411I199X051703; Thu, 1 Feb 2024 12:01:09 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1706810469; bh=+6oayEskVPsQjbi/C7/hq7hBkB4TpvJeAVLuE/xrEZs=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=TkMHSo1BMyKoOIbCWU3HX8M28fj0T0x3o3StVz6DcodkPqNOgrTa8GWGnzto05G1T it5cLq9uOej23dW0hC4TOpK3HF215DWpczQB7yt0qw4HW/KjMOwQpPQ6MXblpItdsC gAMSfCetLVILORJaDa6kR2UokQIXzowQPIEi5RVI= Received: from DLEE113.ent.ti.com (dlee113.ent.ti.com [157.170.170.24]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 411I19DL047540 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 1 Feb 2024 12:01:09 -0600 Received: from DLEE107.ent.ti.com (157.170.170.37) by DLEE113.ent.ti.com (157.170.170.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Thu, 1 Feb 2024 12:01:09 -0600 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DLEE107.ent.ti.com (157.170.170.37) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Thu, 1 Feb 2024 12:01:09 -0600 Received: from lelvsmtp6.itg.ti.com ([10.249.42.149]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 411I12Gn117221; Thu, 1 Feb 2024 12:01:08 -0600 From: Andrew Davis To: Sebastian Reichel , Manivannan Sadhasivam , Cristian Ciocaltea , Florian Fainelli , Ray Jui , Scott Branden , Bjorn Andersson , Konrad Dybcio , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , Andrew Davis Subject: [PATCH 09/18] power: reset: rmobile-reset: Use devm_register_sys_off_handler(RESTART) Date: Thu, 1 Feb 2024 12:00:53 -0600 Message-ID: <20240201180102.70395-10-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240201180102.70395-1-afd@ti.com> References: <20240201180102.70395-1-afd@ti.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Use device life-cycle managed register function to simplify probe and exit paths. Signed-off-by: Andrew Davis --- drivers/power/reset/rmobile-reset.c | 25 ++++++++----------------- 1 file changed, 8 insertions(+), 17 deletions(-) diff --git a/drivers/power/reset/rmobile-reset.c b/drivers/power/reset/rmobile-reset.c index 29c17ed2d4de9..41e98ff33a3c3 100644 --- a/drivers/power/reset/rmobile-reset.c +++ b/drivers/power/reset/rmobile-reset.c @@ -19,12 +19,9 @@ /* Reset Control Register 2 */ #define RESCNT2_PRES 0x80000000 /* Soft power-on reset */ -static void __iomem *sysc_base2; - -static int rmobile_reset_handler(struct notifier_block *this, - unsigned long mode, void *cmd) +static int rmobile_reset_handler(struct sys_off_data *data) { - pr_debug("%s %lu\n", __func__, mode); + void __iomem *sysc_base2 = data->cb_data; /* Let's assume we have acquired the HPB semaphore */ writel(RESCNT2_PRES, sysc_base2 + RESCNT2); @@ -32,20 +29,20 @@ static int rmobile_reset_handler(struct notifier_block *this, return NOTIFY_DONE; } -static struct notifier_block rmobile_reset_nb = { - .notifier_call = rmobile_reset_handler, - .priority = 192, -}; - static int rmobile_reset_probe(struct platform_device *pdev) { + void __iomem *sysc_base2; int error; sysc_base2 = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(sysc_base2)) return PTR_ERR(sysc_base2); - error = register_restart_handler(&rmobile_reset_nb); + error = devm_register_sys_off_handler(&pdev->dev, + SYS_OFF_MODE_RESTART, + SYS_OFF_PRIO_HIGH, + rmobile_reset_handler, + sysc_base2); if (error) { dev_err(&pdev->dev, "cannot register restart handler (err=%d)\n", error); @@ -55,11 +52,6 @@ static int rmobile_reset_probe(struct platform_device *pdev) return 0; } -static void rmobile_reset_remove(struct platform_device *pdev) -{ - unregister_restart_handler(&rmobile_reset_nb); -} - static const struct of_device_id rmobile_reset_of_match[] = { { .compatible = "renesas,sysc-rmobile", }, { /* sentinel */ } @@ -68,7 +60,6 @@ MODULE_DEVICE_TABLE(of, rmobile_reset_of_match); static struct platform_driver rmobile_reset_driver = { .probe = rmobile_reset_probe, - .remove_new = rmobile_reset_remove, .driver = { .name = "rmobile_reset", .of_match_table = rmobile_reset_of_match,