From nobody Sun Sep 22 09:32:03 2024 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 DBA0DC433EF for ; Fri, 28 Jan 2022 08:11:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347202AbiA1IL2 (ORCPT ); Fri, 28 Jan 2022 03:11:28 -0500 Received: from mailgw01.mediatek.com ([60.244.123.138]:37372 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S231590AbiA1ILY (ORCPT ); Fri, 28 Jan 2022 03:11:24 -0500 X-UUID: 9e99c8539b5d48cfbd80cdeb2537f49d-20220128 X-UUID: 9e99c8539b5d48cfbd80cdeb2537f49d-20220128 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1531267180; Fri, 28 Jan 2022 16:11:21 +0800 Received: from mtkexhb02.mediatek.inc (172.21.101.103) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Fri, 28 Jan 2022 16:11:20 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkexhb02.mediatek.inc (172.21.101.103) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 28 Jan 2022 16:11:19 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 28 Jan 2022 16:11:18 +0800 From: Yong Wu To: CC: David Airlie , Daniel Vetter , "James Wang" , Liviu Dudau , , Matthias Brugger , Krzysztof Kozlowski , , "Joerg Roedel" , Will Deacon , Arnd Bergmann , Laurent Pinchart , , Chun-Kuang Hu , , "Stephen Boyd" , AngeloGioacchino Del Regno , Hsin-Yi Wang , Robin Murphy , Tomasz Figa , , Rob Clark , Srinivas Kandagatla , Sebastian Reichel , Yong Wu Subject: [RFC PATCH] component: Add common helpers for compare/release functions Date: Fri, 28 Jan 2022 16:11:01 +0800 Message-ID: <20220128081101.27837-1-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The component requires the compare/release functions, there are so many copy in current kernel. Just define three common helpers for them. No functional change. Signed-off-by: Yong Wu --- Base on v5.17-rc1 --- .../gpu/drm/arm/display/komeda/komeda_drv.c | 5 ----- drivers/gpu/drm/arm/hdlcd_drv.c | 7 +------ drivers/gpu/drm/armada/armada_drv.c | 5 ----- drivers/gpu/drm/drm_of.c | 8 +------- drivers/gpu/drm/etnaviv/etnaviv_drv.c | 7 ------- drivers/gpu/drm/exynos/exynos_drm_drv.c | 5 ----- .../gpu/drm/hisilicon/kirin/kirin_drm_drv.c | 5 ----- drivers/gpu/drm/imx/imx-drm-core.c | 4 ++-- drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 5 ----- drivers/gpu/drm/mcde/mcde_drv.c | 7 +------ drivers/gpu/drm/mediatek/mtk_drm_drv.c | 5 ----- drivers/gpu/drm/meson/meson_drv.c | 8 -------- drivers/gpu/drm/msm/msm_drv.c | 9 --------- drivers/gpu/drm/omapdrm/dss/dss.c | 8 +------- drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 5 ----- drivers/gpu/drm/sti/sti_drv.c | 5 ----- drivers/gpu/drm/sun4i/sun4i_drv.c | 9 --------- drivers/gpu/drm/vc4/vc4_drv.c | 5 ----- drivers/iommu/mtk_iommu.h | 10 ---------- drivers/power/supply/ab8500_charger.c | 8 +------- drivers/video/fbdev/omap2/omapfb/dss/dss.c | 8 +------- include/linux/component.h | 18 ++++++++++++++++++ sound/soc/codecs/wcd938x.c | 16 ++-------------- 23 files changed, 28 insertions(+), 144 deletions(-) diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_drv.c b/drivers/gpu/= drm/arm/display/komeda/komeda_drv.c index e7933930a657..fe5b97107417 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_drv.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_drv.c @@ -92,11 +92,6 @@ static const struct component_master_ops komeda_master_o= ps =3D { .unbind =3D komeda_unbind, }; =20 -static int compare_of(struct device *dev, void *data) -{ - return dev->of_node =3D=3D data; -} - static void komeda_add_slave(struct device *master, struct component_match **match, struct device_node *np, diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_dr= v.c index 479c2422a2e0..36d84c439df8 100644 --- a/drivers/gpu/drm/arm/hdlcd_drv.c +++ b/drivers/gpu/drm/arm/hdlcd_drv.c @@ -372,11 +372,6 @@ static const struct component_master_ops hdlcd_master_= ops =3D { .unbind =3D hdlcd_drm_unbind, }; =20 -static int compare_dev(struct device *dev, void *data) -{ - return dev->of_node =3D=3D data; -} - static int hdlcd_probe(struct platform_device *pdev) { struct device_node *port; @@ -387,7 +382,7 @@ static int hdlcd_probe(struct platform_device *pdev) if (!port) return -ENODEV; =20 - drm_of_component_match_add(&pdev->dev, &match, compare_dev, port); + drm_of_component_match_add(&pdev->dev, &match, compare_of, port); of_node_put(port); =20 return component_master_add_with_match(&pdev->dev, &hdlcd_master_ops, diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/a= rmada_drv.c index 8e3e98f13db4..9edc4912c1a0 100644 --- a/drivers/gpu/drm/armada/armada_drv.c +++ b/drivers/gpu/drm/armada/armada_drv.c @@ -177,11 +177,6 @@ static void armada_drm_unbind(struct device *dev) drm_mm_takedown(&priv->linear); } =20 -static int compare_of(struct device *dev, void *data) -{ - return dev->of_node =3D=3D data; -} - static int compare_dev_name(struct device *dev, void *data) { const char *name =3D data; diff --git a/drivers/gpu/drm/drm_of.c b/drivers/gpu/drm/drm_of.c index 59d368ea006b..f958f48f8ba4 100644 --- a/drivers/gpu/drm/drm_of.c +++ b/drivers/gpu/drm/drm_of.c @@ -18,11 +18,6 @@ * properties. */ =20 -static void drm_release_of(struct device *dev, void *data) -{ - of_node_put(data); -} - /** * drm_of_crtc_port_mask - find the mask of a registered CRTC by port OF n= ode * @dev: DRM device @@ -94,8 +89,7 @@ void drm_of_component_match_add(struct device *master, struct device_node *node) { of_node_get(node); - component_match_add_release(master, matchptr, drm_release_of, - compare, node); + component_match_add_release(master, matchptr, release_of, compare, node); } EXPORT_SYMBOL_GPL(drm_of_component_match_add); =20 diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnavi= v/etnaviv_drv.c index 0b756ecb1bc2..15351e26ab00 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c @@ -574,13 +574,6 @@ static const struct component_master_ops etnaviv_maste= r_ops =3D { .unbind =3D etnaviv_unbind, }; =20 -static int compare_of(struct device *dev, void *data) -{ - struct device_node *np =3D data; - - return dev->of_node =3D=3D np; -} - static int compare_str(struct device *dev, void *data) { return !strcmp(dev_name(dev), data); diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exyn= os/exynos_drm_drv.c index 9743b6b17447..97f6bc69bee3 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -212,11 +212,6 @@ static struct exynos_drm_driver_info exynos_drm_driver= s[] =3D { } }; =20 -static int compare_dev(struct device *dev, void *data) -{ - return dev =3D=3D (struct device *)data; -} - static struct component_match *exynos_drm_match_add(struct device *dev) { struct component_match *match =3D NULL; diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c b/drivers/gpu/= drm/hisilicon/kirin/kirin_drm_drv.c index 98ae9a48f3fe..8cc6e13e46af 100644 --- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c @@ -203,11 +203,6 @@ static int kirin_drm_kms_init(struct drm_device *dev, return ret; } =20 -static int compare_of(struct device *dev, void *data) -{ - return dev->of_node =3D=3D data; -} - static int kirin_drm_kms_cleanup(struct drm_device *dev) { drm_kms_helper_poll_fini(dev); diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-d= rm-core.c index cb685fe2039b..11b5c0fae045 100644 --- a/drivers/gpu/drm/imx/imx-drm-core.c +++ b/drivers/gpu/drm/imx/imx-drm-core.c @@ -176,7 +176,7 @@ static const struct drm_driver imx_drm_driver =3D { .patchlevel =3D 0, }; =20 -static int compare_of(struct device *dev, void *data) +static int imx_compare_of(struct device *dev, void *data) { struct device_node *np =3D data; =20 @@ -286,7 +286,7 @@ static const struct component_master_ops imx_drm_ops = =3D { =20 static int imx_drm_platform_probe(struct platform_device *pdev) { - int ret =3D drm_of_component_probe(&pdev->dev, compare_of, &imx_drm_ops); + int ret =3D drm_of_component_probe(&pdev->dev, imx_compare_of, &imx_drm_o= ps); =20 if (!ret) ret =3D dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c b/drivers/gpu/drm/in= genic/ingenic-drm-drv.c index b4943a56be09..194abab14ffe 100644 --- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c +++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c @@ -1322,11 +1322,6 @@ static int ingenic_drm_bind_with_components(struct d= evice *dev) return ingenic_drm_bind(dev, true); } =20 -static int compare_of(struct device *dev, void *data) -{ - return dev->of_node =3D=3D data; -} - static void ingenic_drm_unbind(struct device *dev) { struct ingenic_drm *priv =3D dev_get_drvdata(dev); diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_dr= v.c index 5b5afc6aaf8e..015690b6d308 100644 --- a/drivers/gpu/drm/mcde/mcde_drv.c +++ b/drivers/gpu/drm/mcde/mcde_drv.c @@ -265,11 +265,6 @@ static struct platform_driver *const mcde_component_dr= ivers[] =3D { &mcde_dsi_driver, }; =20 -static int mcde_compare_dev(struct device *dev, void *data) -{ - return dev =3D=3D data; -} - static int mcde_probe(struct platform_device *pdev) { struct device *dev =3D &pdev->dev; @@ -399,7 +394,7 @@ static int mcde_probe(struct platform_device *pdev) =20 while ((d =3D platform_find_device_by_driver(p, drv))) { put_device(p); - component_match_add(dev, &match, mcde_compare_dev, d); + component_match_add(dev, &match, compare_dev, d); p =3D d; } put_device(p); diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/media= tek/mtk_drm_drv.c index 56ff8c57ef8f..72586983ec1d 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -369,11 +369,6 @@ static const struct drm_driver mtk_drm_driver =3D { .minor =3D DRIVER_MINOR, }; =20 -static int compare_of(struct device *dev, void *data) -{ - return dev->of_node =3D=3D data; -} - static int mtk_drm_bind(struct device *dev) { struct mtk_drm_private *private =3D dev_get_drvdata(dev); diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meso= n_drv.c index 80f1d439841a..b68631d16eb3 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -423,14 +423,6 @@ static int __maybe_unused meson_drv_pm_resume(struct d= evice *dev) return drm_mode_config_helper_resume(priv->drm); } =20 -static int compare_of(struct device *dev, void *data) -{ - DRM_DEBUG_DRIVER("Comparing of node %pOF with %pOF\n", - dev->of_node, data); - - return dev->of_node =3D=3D data; -} - static void meson_drv_shutdown(struct platform_device *pdev) { struct meson_drm *priv =3D dev_get_drvdata(&pdev->dev); diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index ad35a5d94053..6250327b1eda 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -1173,15 +1173,6 @@ static const struct dev_pm_ops msm_pm_ops =3D { * Componentized driver support: */ =20 -/* - * NOTE: duplication of the same code as exynos or imx (or probably any ot= her). - * so probably some room for some helpers - */ -static int compare_of(struct device *dev, void *data) -{ - return dev->of_node =3D=3D data; -} - /* * Identify what components need to be added by parsing what remote-endpoi= nts * our MDP output ports are connected to. In the case of LVDS on MDP4, the= re diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/ds= s/dss.c index 69b3e15b9356..5216000c7657 100644 --- a/drivers/gpu/drm/omapdrm/dss/dss.c +++ b/drivers/gpu/drm/omapdrm/dss/dss.c @@ -1344,12 +1344,6 @@ static const struct component_master_ops dss_compone= nt_ops =3D { .unbind =3D dss_unbind, }; =20 -static int dss_component_compare(struct device *dev, void *data) -{ - struct device *child =3D data; - return dev =3D=3D child; -} - struct dss_component_match_data { struct device *dev; struct component_match **match; @@ -1379,7 +1373,7 @@ static int dss_add_child_component(struct device *dev= , void *data) return device_for_each_child(dev, cmatch, dss_add_child_component); =20 - component_match_add(cmatch->dev, match, dss_component_compare, dev); + component_match_add(cmatch->dev, match, compare_dev, dev); =20 return 0; } diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/= rockchip/rockchip_drm_drv.c index bec207de4544..276e41168bd0 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c @@ -290,11 +290,6 @@ int rockchip_drm_endpoint_is_subdriver(struct device_n= ode *ep) return false; } =20 -static int compare_dev(struct device *dev, void *data) -{ - return dev =3D=3D (struct device *)data; -} - static void rockchip_drm_match_remove(struct device *dev) { struct device_link *link; diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c index c7efb43b83ee..3c3294c2100d 100644 --- a/drivers/gpu/drm/sti/sti_drv.c +++ b/drivers/gpu/drm/sti/sti_drv.c @@ -144,11 +144,6 @@ static const struct drm_driver sti_driver =3D { .minor =3D DRIVER_MINOR, }; =20 -static int compare_of(struct device *dev, void *data) -{ - return dev->of_node =3D=3D data; -} - static int sti_init(struct drm_device *ddev) { struct sti_private *private; diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4= i_drv.c index b630614b3d72..de26c1448486 100644 --- a/drivers/gpu/drm/sun4i/sun4i_drv.c +++ b/drivers/gpu/drm/sun4i/sun4i_drv.c @@ -201,15 +201,6 @@ static bool sun4i_drv_node_is_tcon_top(struct device_n= ode *node) !!of_match_node(sun8i_tcon_top_of_table, node); } =20 -static int compare_of(struct device *dev, void *data) -{ - DRM_DEBUG_DRIVER("Comparing of node %pOF with %pOF\n", - dev->of_node, - data); - - return dev->of_node =3D=3D data; -} - /* * The encoder drivers use drm_of_find_possible_crtcs to get upstream * crtcs from the device tree using of_graph. For the results to be diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c index 16abc3a3d601..43474107a4f2 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.c +++ b/drivers/gpu/drm/vc4/vc4_drv.c @@ -187,11 +187,6 @@ static struct drm_driver vc4_drm_driver =3D { .patchlevel =3D DRIVER_PATCHLEVEL, }; =20 -static int compare_dev(struct device *dev, void *data) -{ - return dev =3D=3D data; -} - static void vc4_match_add_drivers(struct device *dev, struct component_match **match, struct platform_driver *const *drivers, diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index f81fa8862ed0..b742432220c5 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -84,16 +84,6 @@ struct mtk_iommu_data { struct mtk_smi_larb_iommu larb_imu[MTK_LARB_NR_MAX]; }; =20 -static inline int compare_of(struct device *dev, void *data) -{ - return dev->of_node =3D=3D data; -} - -static inline void release_of(struct device *dev, void *data) -{ - of_node_put(data); -} - static inline int mtk_iommu_bind(struct device *dev) { struct mtk_iommu_data *data =3D dev_get_drvdata(dev); diff --git a/drivers/power/supply/ab8500_charger.c b/drivers/power/supply/a= b8500_charger.c index ce074c018dcb..248dfd8aec19 100644 --- a/drivers/power/supply/ab8500_charger.c +++ b/drivers/power/supply/ab8500_charger.c @@ -3414,11 +3414,6 @@ static struct platform_driver *const ab8500_charger_= component_drivers[] =3D { &ab8500_chargalg_driver, }; =20 -static int ab8500_charger_compare_dev(struct device *dev, void *data) -{ - return dev =3D=3D data; -} - static int ab8500_charger_probe(struct platform_device *pdev) { struct device *dev =3D &pdev->dev; @@ -3657,8 +3652,7 @@ static int ab8500_charger_probe(struct platform_devic= e *pdev) =20 while ((d =3D platform_find_device_by_driver(p, drv))) { put_device(p); - component_match_add(dev, &match, - ab8500_charger_compare_dev, d); + component_match_add(dev, &match, compare_dev, d); p =3D d; } put_device(p); diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dss.c b/drivers/video/fbd= ev/omap2/omapfb/dss/dss.c index a6b1c1598040..328aa5d86f1a 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/dss.c +++ b/drivers/video/fbdev/omap2/omapfb/dss/dss.c @@ -1193,12 +1193,6 @@ static const struct component_master_ops dss_compone= nt_ops =3D { .unbind =3D dss_unbind, }; =20 -static int dss_component_compare(struct device *dev, void *data) -{ - struct device *child =3D data; - return dev =3D=3D child; -} - static int dss_add_child_component(struct device *dev, void *data) { struct component_match **match =3D data; @@ -1212,7 +1206,7 @@ static int dss_add_child_component(struct device *dev= , void *data) if (strstr(dev_name(dev), "rfbi")) return 0; =20 - component_match_add(dev->parent, match, dss_component_compare, dev); + component_match_add(dev->parent, match, compare_dev, dev); =20 return 0; } diff --git a/include/linux/component.h b/include/linux/component.h index 16de18f473d7..5a7468ea827c 100644 --- a/include/linux/component.h +++ b/include/linux/component.h @@ -2,6 +2,8 @@ #ifndef COMPONENT_H #define COMPONENT_H =20 +#include +#include #include =20 =20 @@ -82,6 +84,22 @@ struct component_master_ops { void (*unbind)(struct device *master); }; =20 +/* A set common helpers for compare/release functions */ +static inline int compare_of(struct device *dev, void *data) +{ + return dev->of_node =3D=3D data; +} + +static inline void release_of(struct device *dev, void *data) +{ + of_node_put(data); +} + +static inline int compare_dev(struct device *dev, void *data) +{ + return dev =3D=3D data; +} + void component_master_del(struct device *, const struct component_master_ops *); =20 diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c index eff200a07d9f..992132cbfb9f 100644 --- a/sound/soc/codecs/wcd938x.c +++ b/sound/soc/codecs/wcd938x.c @@ -4417,16 +4417,6 @@ static const struct component_master_ops wcd938x_com= p_ops =3D { .unbind =3D wcd938x_unbind, }; =20 -static int wcd938x_compare_of(struct device *dev, void *data) -{ - return dev->of_node =3D=3D data; -} - -static void wcd938x_release_of(struct device *dev, void *data) -{ - of_node_put(data); -} - static int wcd938x_add_slave_components(struct wcd938x_priv *wcd938x, struct device *dev, struct component_match **matchptr) @@ -4442,8 +4432,7 @@ static int wcd938x_add_slave_components(struct wcd938= x_priv *wcd938x, } =20 of_node_get(wcd938x->rxnode); - component_match_add_release(dev, matchptr, wcd938x_release_of, - wcd938x_compare_of, wcd938x->rxnode); + component_match_add_release(dev, matchptr, release_of, compare_of, wcd938= x->rxnode); =20 wcd938x->txnode =3D of_parse_phandle(np, "qcom,tx-device", 0); if (!wcd938x->txnode) { @@ -4451,8 +4440,7 @@ static int wcd938x_add_slave_components(struct wcd938= x_priv *wcd938x, return -ENODEV; } of_node_get(wcd938x->txnode); - component_match_add_release(dev, matchptr, wcd938x_release_of, - wcd938x_compare_of, wcd938x->txnode); + component_match_add_release(dev, matchptr, release_of, compare_of, wcd938= x->txnode); return 0; } =20 --=20 2.18.0