From patchwork Thu May 19 05:14:15 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Zapolskiy X-Patchwork-Id: 12854521 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 83FF4C433EF for ; Thu, 19 May 2022 05:14:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233882AbiESFO1 (ORCPT ); Thu, 19 May 2022 01:14:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51736 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231864AbiESFO0 (ORCPT ); Thu, 19 May 2022 01:14:26 -0400 Received: from mail-lj1-x236.google.com (mail-lj1-x236.google.com [IPv6:2a00:1450:4864:20::236]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 04650994D0 for ; Wed, 18 May 2022 22:14:23 -0700 (PDT) Received: by mail-lj1-x236.google.com with SMTP id b32so4921985ljf.1 for ; Wed, 18 May 2022 22:14:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=6oteEUWo3BejQsY6otGsI/7H4Z8rywbWY+p4jX1sDu0=; b=o/lmD8dIZ7zhMvbclflrBPMnxtDMnOUX4yJHfSh+KmEPA69pI6goVFii284+d6nYsN Usg0V97p8dtWTc9FHn5IcQL3bvt3shO6uA+D71fKZ/02bUtbiNwvy7xVdSX0Iw/74Sur f59qdChYctDLuJhbFrDGQaV5a6hD5lvVct8k2mB4ol8BvbH5HFg20ssfHQjnb3S092g0 SaJzrzjanqKX/wZ1z3SuJlxH6rkDCJdDZWnMTnQaV4mEf0vgBc54AMqCVONLdWJ/kJpp p2oldMHbw6ppViw/Q4zawVkEntsiv1UC5SoIPdWdhdXoAmZnAhFA+KLBGEG/FIK0pJzs D14Q== 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:mime-version :content-transfer-encoding; bh=6oteEUWo3BejQsY6otGsI/7H4Z8rywbWY+p4jX1sDu0=; b=K1atePYL60veLzJzyilZMhOmEPNLJ/HUD4SKSU6x9UUx1baUwvEoKjM8JPBIb1DZZA kfzXiqvr37UY9GOI0kplmY2uhbLOjwZkh9U6NnRakfPEbQ/j3f1oy5Lk0Jm/Jgs0UybJ tsJhfQo+ViESVwPybAwJSNX6GXPecawbjKiwBdXIuRV0ucNq2g5qWacLPdHaJvvNUYi+ ppm2TyvL0o7OynIYHiDx6ah+m1S4D/UoyBFEL3ywIXTz6kDEFRmk6rejRUeDMPoUF/f9 mT6Y3HEnEf0dLAoxDNvamVUyhGpUeRJEYOqi+bNqCQxJc3VSSLn+0qgsXqzAaXPmfWsI 486Q== X-Gm-Message-State: AOAM533yllu3WYTF09h+ZmRwbyS+sZspYizucjwox0dAwVbTkzVsGRLl sRkew2OtnFYoPSp09tsUNuRIYg== X-Google-Smtp-Source: ABdhPJz5IbbCgXnvKwiosEWp8lM34Jx9WjqXwq5EmZzsE21zlHBLbc7OmA5o50iLfPGOlow1y4CGRw== X-Received: by 2002:a2e:aa14:0:b0:24f:25ed:e0a2 with SMTP id bf20-20020a2eaa14000000b0024f25ede0a2mr1584145ljb.43.1652937261325; Wed, 18 May 2022 22:14:21 -0700 (PDT) Received: from localhost.localdomain (mobile-access-b04822-211.dhcp.inet.fi. [176.72.34.211]) by smtp.gmail.com with ESMTPSA id y25-20020ac24219000000b0047255d2119esm148361lfh.205.2022.05.18.22.14.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 May 2022 22:14:20 -0700 (PDT) From: Vladimir Zapolskiy To: Robert Foss , Todor Tomov Cc: Andy Gross , Bjorn Andersson , Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: [PATCH v2] media: camss: Allocate camss struct as a managed device resource Date: Thu, 19 May 2022 08:14:15 +0300 Message-Id: <20220519051415.1198248-1-vladimir.zapolskiy@linaro.org> X-Mailer: git-send-email 2.33.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The change simplifies driver's probe and remove functions, no functional change is intended. Signed-off-by: Vladimir Zapolskiy Reviewed-by: Robert Foss --- Changes from v1 to v2: * rebased on top of media/master drivers/media/platform/qcom/camss/camss.c | 33 +++++++---------------- 1 file changed, 10 insertions(+), 23 deletions(-) diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c index 79ad82e233cb..2055233af101 100644 --- a/drivers/media/platform/qcom/camss/camss.c +++ b/drivers/media/platform/qcom/camss/camss.c @@ -1529,7 +1529,7 @@ static int camss_probe(struct platform_device *pdev) struct camss *camss; int num_subdevs, ret; - camss = kzalloc(sizeof(*camss), GFP_KERNEL); + camss = devm_kzalloc(dev, sizeof(*camss), GFP_KERNEL); if (!camss) return -ENOMEM; @@ -1567,39 +1567,30 @@ static int camss_probe(struct platform_device *pdev) camss->csid_num = 4; camss->vfe_num = 4; } else { - ret = -EINVAL; - goto err_free; + return -EINVAL; } camss->csiphy = devm_kcalloc(dev, camss->csiphy_num, sizeof(*camss->csiphy), GFP_KERNEL); - if (!camss->csiphy) { - ret = -ENOMEM; - goto err_free; - } + if (!camss->csiphy) + return -ENOMEM; camss->csid = devm_kcalloc(dev, camss->csid_num, sizeof(*camss->csid), GFP_KERNEL); - if (!camss->csid) { - ret = -ENOMEM; - goto err_free; - } + if (!camss->csid) + return -ENOMEM; if (camss->version == CAMSS_8x16 || camss->version == CAMSS_8x96) { camss->ispif = devm_kcalloc(dev, 1, sizeof(*camss->ispif), GFP_KERNEL); - if (!camss->ispif) { - ret = -ENOMEM; - goto err_free; - } + if (!camss->ispif) + return -ENOMEM; } camss->vfe = devm_kcalloc(dev, camss->vfe_num, sizeof(*camss->vfe), GFP_KERNEL); - if (!camss->vfe) { - ret = -ENOMEM; - goto err_free; - } + if (!camss->vfe) + return -ENOMEM; v4l2_async_nf_init(&camss->notifier); @@ -1681,8 +1672,6 @@ static int camss_probe(struct platform_device *pdev) v4l2_device_unregister(&camss->v4l2_dev); err_cleanup: v4l2_async_nf_cleanup(&camss->notifier); -err_free: - kfree(camss); return ret; } @@ -1709,8 +1698,6 @@ void camss_delete(struct camss *camss) device_link_del(camss->genpd_link[i]); dev_pm_domain_detach(camss->genpd[i], true); } - - kfree(camss); } /*