From patchwork Wed May 31 10:05:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 687343 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A0A1CC7EE2F for ; Wed, 31 May 2023 10:08:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235827AbjEaKIf (ORCPT ); Wed, 31 May 2023 06:08:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60934 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235819AbjEaKIe (ORCPT ); Wed, 31 May 2023 06:08:34 -0400 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 96A97E2; Wed, 31 May 2023 03:08:33 -0700 (PDT) Received: from lhrpeml500005.china.huawei.com (unknown [172.18.147.207]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4QWQ0V3mM6z67hPh; Wed, 31 May 2023 18:06:50 +0800 (CST) Received: from SecurePC-101-06.china.huawei.com (10.122.247.231) by lhrpeml500005.china.huawei.com (7.191.163.240) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.23; Wed, 31 May 2023 11:08:31 +0100 From: Jonathan Cameron To: CC: Wolfram Sang , Niyas Sait , Klaus Jensen , Andy Shevchenko , , Jeremy Kerr , Matt Johnston , Shesha Bhushan Sreenivasamurthy , , , "Viacheslav A . Dubeyko" Subject: [RFC PATCH v3 5/7] i2c: aspeed: switch to generic fw properties. Date: Wed, 31 May 2023 11:05:58 +0100 Message-ID: <20230531100600.13543-6-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230531100600.13543-1-Jonathan.Cameron@huawei.com> References: <20230531100600.13543-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.122.247.231] X-ClientProxiedBy: lhrpeml100006.china.huawei.com (7.191.160.224) To lhrpeml500005.china.huawei.com (7.191.163.240) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Moving over to generic firmware properties allows this driver to get closer to working out of the box with both device tree and other firmware options, such as ACPI via PRP0001. Tested only via QEMU emulation. Signed-off-by: Jonathan Cameron --- v3: - Use a typedef for the function pointer type as introduced in precusor patch --- drivers/i2c/busses/i2c-aspeed.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c index be93de56f7e4..992d64acd38d 100644 --- a/drivers/i2c/busses/i2c-aspeed.c +++ b/drivers/i2c/busses/i2c-aspeed.c @@ -18,9 +18,8 @@ #include #include #include -#include -#include #include +#include #include #include @@ -976,7 +975,6 @@ MODULE_DEVICE_TABLE(of, aspeed_i2c_bus_of_table); static int aspeed_i2c_probe_bus(struct platform_device *pdev) { - const struct of_device_id *match; struct aspeed_i2c_bus *bus; struct clk *parent_clk; int irq, ret; @@ -1005,14 +1003,13 @@ static int aspeed_i2c_probe_bus(struct platform_device *pdev) reset_control_deassert(bus->rst); bus->bus_frequency = I2C_MAX_STANDARD_MODE_FREQ; - of_property_read_u32(pdev->dev.of_node, - "bus-frequency", &bus->bus_frequency); + device_property_read_u32(&pdev->dev, + "bus-frequency", &bus->bus_frequency); - match = of_match_node(aspeed_i2c_bus_of_table, pdev->dev.of_node); - if (!match) + bus->get_clk_reg_val = + (aspeed_get_clk_reg_val_cb)device_get_match_data(&pdev->dev); + if (!bus->get_clk_reg_val) bus->get_clk_reg_val = aspeed_i2c_24xx_get_clk_reg_val; - else - bus->get_clk_reg_val = (aspeed_get_clk_reg_val_cb)(match->data); /* Initialize the I2C adapter */ spin_lock_init(&bus->lock);