From patchwork Sat Aug 31 02:13:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: lizetao X-Patchwork-Id: 13785888 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 002CECD1288 for ; Sat, 31 Aug 2024 02:12:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=nXL8KdbdgawjW9pKGoaFPQuWSTNfqg5ejCJpbm33ZV0=; b=xqvCwMdRigqR96 LhUrR5b6WMB4w8BfP2SGkiyQd9tXPW+1unFszHVucHq8yOoKres0i6UEkBjVZ2xOGMYl+p5r0lKzV eVWoi/of+R5ENkspYKXBdrkxXDoXh46Pr/hZGZqZZ3NiMTcWCOUSwP3qL2yDwuxouDNYflr1zrg+L JILmahutvYUutLwCDVkFQYmuAFcTALGXYCUBkl/dYbx/4wgmQFQgBciiH8eyy15Fz0BwMZPF0+WJL WXLY/mjxOQjHn54NXKlOZmUV923G0hUDCF6D/O1jTxQA99ZRVKaAYbaTG97oIs33ytGNFGJ8YvIqR /0AeJ8AlA/Vgc7w7Vapw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1skDbJ-00000008IwP-45iD; Sat, 31 Aug 2024 02:12:29 +0000 Received: from szxga02-in.huawei.com ([45.249.212.188]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1skDUb-00000008HgU-0FrL; Sat, 31 Aug 2024 02:05:35 +0000 Received: from mail.maildlp.com (unknown [172.19.88.194]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Wwdbg0w2fzpV9X; Sat, 31 Aug 2024 10:03:43 +0800 (CST) Received: from kwepemd500012.china.huawei.com (unknown [7.221.188.25]) by mail.maildlp.com (Postfix) with ESMTPS id 243231400CF; Sat, 31 Aug 2024 10:05:29 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemd500012.china.huawei.com (7.221.188.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.34; Sat, 31 Aug 2024 10:05:27 +0800 From: Li Zetao To: , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , Subject: [PATCH net-next 11/12] wifi: wilc1000: Convert using devm_clk_get_optional_enabled() in wilc_sdio_probe() Date: Sat, 31 Aug 2024 10:13:33 +0800 Message-ID: <20240831021334.1907921-12-lizetao1@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240831021334.1907921-1-lizetao1@huawei.com> References: <20240831021334.1907921-1-lizetao1@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To kwepemd500012.china.huawei.com (7.221.188.25) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240830_190533_562572_EEC129BA X-CRM114-Status: GOOD ( 10.38 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Use devm_clk_get_optional_enabled() instead of devm_clk_get_optional() + clk_prepare_enable(), which can make the clk consistent with the device life cycle and reduce the risk of unreleased clk resources. Since the device framework has automatically released the clk resource, there is no need to execute clk_disable_unprepare(clk) on the error path, drop the clk_disable_unprepare label, and the original error process can change to dispose_irq. Signed-off-by: Li Zetao --- drivers/net/wireless/microchip/wilc1000/sdio.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/microchip/wilc1000/sdio.c b/drivers/net/wireless/microchip/wilc1000/sdio.c index 0043f7a0fdf9..a09ea24074e2 100644 --- a/drivers/net/wireless/microchip/wilc1000/sdio.c +++ b/drivers/net/wireless/microchip/wilc1000/sdio.c @@ -174,19 +174,18 @@ static int wilc_sdio_probe(struct sdio_func *func, wilc->bus_data = sdio_priv; wilc->dev = &func->dev; - wilc->rtc_clk = devm_clk_get_optional(&func->card->dev, "rtc"); + wilc->rtc_clk = devm_clk_get_optional_enabled(&func->card->dev, "rtc"); if (IS_ERR(wilc->rtc_clk)) { ret = PTR_ERR(wilc->rtc_clk); goto dispose_irq; } - clk_prepare_enable(wilc->rtc_clk); wilc_sdio_init(wilc, false); ret = wilc_load_mac_from_nv(wilc); if (ret) { pr_err("Can not retrieve MAC address from chip\n"); - goto clk_disable_unprepare; + goto dispose_irq; } wilc_sdio_deinit(wilc); @@ -195,14 +194,12 @@ static int wilc_sdio_probe(struct sdio_func *func, NL80211_IFTYPE_STATION, false); if (IS_ERR(vif)) { ret = PTR_ERR(vif); - goto clk_disable_unprepare; + goto dispose_irq; } dev_info(&func->dev, "Driver Initializing success\n"); return 0; -clk_disable_unprepare: - clk_disable_unprepare(wilc->rtc_clk); dispose_irq: irq_dispose_mapping(wilc->dev_irq_num); wilc_netdev_cleanup(wilc); @@ -217,7 +214,6 @@ static void wilc_sdio_remove(struct sdio_func *func) struct wilc *wilc = sdio_get_drvdata(func); struct wilc_sdio *sdio_priv = wilc->bus_data; - clk_disable_unprepare(wilc->rtc_clk); wilc_netdev_cleanup(wilc); kfree(sdio_priv->cmd53_buf); kfree(sdio_priv);