From patchwork Wed Dec 15 23:07:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Rob Herring (Arm)" X-Patchwork-Id: 12679677 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 95BA3C433F5 for ; Wed, 15 Dec 2021 23:16:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231801AbhLOXQU (ORCPT ); Wed, 15 Dec 2021 18:16:20 -0500 Received: from mail-ot1-f53.google.com ([209.85.210.53]:46829 "EHLO mail-ot1-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231739AbhLOXQT (ORCPT ); Wed, 15 Dec 2021 18:16:19 -0500 Received: by mail-ot1-f53.google.com with SMTP id x3-20020a05683000c300b0057a5318c517so26723155oto.13; Wed, 15 Dec 2021 15:16:19 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Tz9+B80iOJ/5SEIo/3X+KGjAczW/DyI87s+/a132hNo=; b=o+A1l1G4dSxnAB99kVqsqMiPRri8zlUa/YQZX3YEispKiDt2TVy5pAGYIOBXwd23Mu wz9uMFIzcelMkobtVryVYAtEtG4CG5dhAFLwstsFHZn2e3GzFsvN1onRGuC8nPmmq6Qk sKWNQOuBcpbw7mPhNQpsGX5S2HSUTi5kl6JGu9rrQXTvFCSyow3DTkYx/VO3PX6yu7bN NXfrYD1dJFxsSvbsimFeojT9GW+ePSb6ayUZf9NL54XfNSuxpUoHf5qsHRSITJ4dspLc luLeASPcA8IK2V00CUF5amgWzwHZdDwu5q5pMyTg8PfIsczdBd90tCkHppwtPDhTy6d6 nusA== X-Gm-Message-State: AOAM5335JaP/nIeSUghDTgs63ehJe0MLLigkxn4z9irWeM0F+oBUVQou WvtCJKdHIf03zt4e3m24Eg== X-Google-Smtp-Source: ABdhPJyeuLnb0kevinHDK2T33pvZ/O/pvdFFuXTAR+7gZIcqsqM1MJh1TcdtGlPtGrSzj4DAop6kQQ== X-Received: by 2002:a05:6830:449e:: with SMTP id r30mr10991173otv.120.1639610178939; Wed, 15 Dec 2021 15:16:18 -0800 (PST) Received: from xps15.herring.priv (66-90-148-213.dyn.grandenetworks.net. [66.90.148.213]) by smtp.googlemail.com with ESMTPSA id g7sm740166oon.27.2021.12.15.15.16.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Dec 2021 15:16:18 -0800 (PST) From: Rob Herring To: Matthias Brugger , Bin Liu , Greg Kroah-Hartman Cc: Lad Prabhakar , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org Subject: [PATCH 1/2] usb: musb: Drop unneeded resource copying Date: Wed, 15 Dec 2021 17:07:56 -0600 Message-Id: <20211215230756.2009115-2-robh@kernel.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20211215230756.2009115-1-robh@kernel.org> References: <20211215230756.2009115-1-robh@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org The platform device resources are copied by the driver core, so there is no need for the caller to do it when creating a platform device. Just pass the parent resources to the child device directly. Signed-off-by: Rob Herring --- drivers/usb/musb/da8xx.c | 18 ++---------------- drivers/usb/musb/omap2430.c | 22 +--------------------- drivers/usb/musb/ux500.c | 17 +---------------- 3 files changed, 4 insertions(+), 53 deletions(-) diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c index 1c023c0091c4..e4e0195131da 100644 --- a/drivers/usb/musb/da8xx.c +++ b/drivers/usb/musb/da8xx.c @@ -505,7 +505,6 @@ static struct of_dev_auxdata da8xx_auxdata_lookup[] = { static int da8xx_probe(struct platform_device *pdev) { - struct resource musb_resources[2]; struct musb_hdrc_platform_data *pdata = dev_get_platdata(&pdev->dev); struct da8xx_glue *glue; struct platform_device_info pinfo; @@ -558,23 +557,10 @@ static int da8xx_probe(struct platform_device *pdev) if (ret) return ret; - memset(musb_resources, 0x00, sizeof(*musb_resources) * - ARRAY_SIZE(musb_resources)); - - musb_resources[0].name = pdev->resource[0].name; - musb_resources[0].start = pdev->resource[0].start; - musb_resources[0].end = pdev->resource[0].end; - musb_resources[0].flags = pdev->resource[0].flags; - - musb_resources[1].name = pdev->resource[1].name; - musb_resources[1].start = pdev->resource[1].start; - musb_resources[1].end = pdev->resource[1].end; - musb_resources[1].flags = pdev->resource[1].flags; - pinfo = da8xx_dev_info; pinfo.parent = &pdev->dev; - pinfo.res = musb_resources; - pinfo.num_res = ARRAY_SIZE(musb_resources); + pinfo.res = pdev->resource; + pinfo.num_res = pdev->num_resources; pinfo.data = pdata; pinfo.size_data = sizeof(*pdata); diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index f086960fe2b5..d2b7e613eb34 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -301,7 +301,6 @@ static u64 omap2430_dmamask = DMA_BIT_MASK(32); static int omap2430_probe(struct platform_device *pdev) { - struct resource musb_resources[3]; struct musb_hdrc_platform_data *pdata = dev_get_platdata(&pdev->dev); struct omap_musb_board_data *data; struct platform_device *musb; @@ -383,26 +382,7 @@ static int omap2430_probe(struct platform_device *pdev) INIT_WORK(&glue->omap_musb_mailbox_work, omap_musb_mailbox_work); - memset(musb_resources, 0x00, sizeof(*musb_resources) * - ARRAY_SIZE(musb_resources)); - - musb_resources[0].name = pdev->resource[0].name; - musb_resources[0].start = pdev->resource[0].start; - musb_resources[0].end = pdev->resource[0].end; - musb_resources[0].flags = pdev->resource[0].flags; - - musb_resources[1].name = pdev->resource[1].name; - musb_resources[1].start = pdev->resource[1].start; - musb_resources[1].end = pdev->resource[1].end; - musb_resources[1].flags = pdev->resource[1].flags; - - musb_resources[2].name = pdev->resource[2].name; - musb_resources[2].start = pdev->resource[2].start; - musb_resources[2].end = pdev->resource[2].end; - musb_resources[2].flags = pdev->resource[2].flags; - - ret = platform_device_add_resources(musb, musb_resources, - ARRAY_SIZE(musb_resources)); + ret = platform_device_add_resources(musb, pdev->resource, pdev->num_resources); if (ret) { dev_err(&pdev->dev, "failed to add resources\n"); goto err2; diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c index 73538d1d0524..9bce19b5ffd7 100644 --- a/drivers/usb/musb/ux500.c +++ b/drivers/usb/musb/ux500.c @@ -216,7 +216,6 @@ ux500_of_probe(struct platform_device *pdev, struct device_node *np) static int ux500_probe(struct platform_device *pdev) { - struct resource musb_resources[2]; struct musb_hdrc_platform_data *pdata = dev_get_platdata(&pdev->dev); struct device_node *np = pdev->dev.of_node; struct platform_device *musb; @@ -273,21 +272,7 @@ static int ux500_probe(struct platform_device *pdev) platform_set_drvdata(pdev, glue); - memset(musb_resources, 0x00, sizeof(*musb_resources) * - ARRAY_SIZE(musb_resources)); - - musb_resources[0].name = pdev->resource[0].name; - musb_resources[0].start = pdev->resource[0].start; - musb_resources[0].end = pdev->resource[0].end; - musb_resources[0].flags = pdev->resource[0].flags; - - musb_resources[1].name = pdev->resource[1].name; - musb_resources[1].start = pdev->resource[1].start; - musb_resources[1].end = pdev->resource[1].end; - musb_resources[1].flags = pdev->resource[1].flags; - - ret = platform_device_add_resources(musb, musb_resources, - ARRAY_SIZE(musb_resources)); + ret = platform_device_add_resources(musb, pdev->resource, pdev->num_resources); if (ret) { dev_err(&pdev->dev, "failed to add resources\n"); goto err2;