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Mon, 19 Apr 2021 04:28:06 +0000 From: "Alice Guo (OSS)" To: gregkh@linuxfoundation.org, rafael@kernel.org, horia.geanta@nxp.com, aymen.sghaier@nxp.com, herbert@gondor.apana.org.au, davem@davemloft.net, tony@atomide.com, geert+renesas@glider.be, mturquette@baylibre.com, sboyd@kernel.org, vkoul@kernel.org, peter.ujfalusi@gmail.com, a.hajda@samsung.com, narmstrong@baylibre.com, robert.foss@linaro.org, airlied@linux.ie, daniel@ffwll.ch, khilman@baylibre.com, tomba@kernel.org, jyri.sarha@iki.fi, joro@8bytes.org, will@kernel.org, mchehab@kernel.org, ulf.hansson@linaro.org, adrian.hunter@intel.com, kishon@ti.com, kuba@kernel.org, linus.walleij@linaro.org, Roy.Pledge@nxp.com, leoyang.li@nxp.com, ssantosh@kernel.org, matthias.bgg@gmail.com, edubezval@gmail.com, j-keerthy@ti.com, balbi@kernel.org, linux@prisktech.co.nz, stern@rowland.harvard.edu, wim@linux-watchdog.org, linux@roeck-us.net Cc: linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, linux-omap@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-clk@vger.kernel.org, dmaengine@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, netdev@vger.kernel.org, linux-phy@lists.infradead.org, linux-gpio@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-staging@lists.linux.dev, linux-mediatek@lists.infradead.org, linux-pm@vger.kernel.org, linux-usb@vger.kernel.org, linux-watchdog@vger.kernel.org Subject: [RFC v1 PATCH 1/3] drivers: soc: add support for soc_device_match returning -EPROBE_DEFER Date: Mon, 19 Apr 2021 12:27:20 +0800 Message-Id: <20210419042722.27554-2-alice.guo@oss.nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210419042722.27554-1-alice.guo@oss.nxp.com> References: <20210419042722.27554-1-alice.guo@oss.nxp.com> X-Originating-IP: [119.31.174.71] X-ClientProxiedBy: AM0PR02CA0207.eurprd02.prod.outlook.com (2603:10a6:20b:28f::14) To AM6PR04MB6053.eurprd04.prod.outlook.com (2603:10a6:20b:b9::10) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from nxf55104-OptiPlex-7060.ap.freescale.net (119.31.174.71) by AM0PR02CA0207.eurprd02.prod.outlook.com (2603:10a6:20b:28f::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4042.19 via Frontend Transport; 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Caam driver needs soc_device_match to provide -EPROBE_DEFER when no SoC device is registered and no early_soc_dev_attr. Signed-off-by: Alice Guo --- drivers/base/soc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/base/soc.c b/drivers/base/soc.c index 0af5363a582c..12a22f9cf5c8 100644 --- a/drivers/base/soc.c +++ b/drivers/base/soc.c @@ -110,6 +110,7 @@ static void soc_release(struct device *dev) } static struct soc_device_attribute *early_soc_dev_attr; +static bool soc_dev_attr_init_done = false; struct soc_device *soc_device_register(struct soc_device_attribute *soc_dev_attr) { @@ -157,6 +158,7 @@ struct soc_device *soc_device_register(struct soc_device_attribute *soc_dev_attr return ERR_PTR(ret); } + soc_dev_attr_init_done = true; return soc_dev; out3: @@ -246,6 +248,9 @@ const struct soc_device_attribute *soc_device_match( if (!matches) return NULL; + if (!soc_dev_attr_init_done && !early_soc_dev_attr) + return ERR_PTR(-EPROBE_DEFER); + while (!ret) { if (!(matches->machine || matches->family || matches->revision || matches->soc_id)) From patchwork Mon Apr 19 04:27:21 2021 Content-Type: text/plain; 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Mon, 19 Apr 2021 04:28:28 +0000 From: "Alice Guo (OSS)" To: gregkh@linuxfoundation.org, rafael@kernel.org, horia.geanta@nxp.com, aymen.sghaier@nxp.com, herbert@gondor.apana.org.au, davem@davemloft.net, tony@atomide.com, geert+renesas@glider.be, mturquette@baylibre.com, sboyd@kernel.org, vkoul@kernel.org, peter.ujfalusi@gmail.com, a.hajda@samsung.com, narmstrong@baylibre.com, robert.foss@linaro.org, airlied@linux.ie, daniel@ffwll.ch, khilman@baylibre.com, tomba@kernel.org, jyri.sarha@iki.fi, joro@8bytes.org, will@kernel.org, mchehab@kernel.org, ulf.hansson@linaro.org, adrian.hunter@intel.com, kishon@ti.com, kuba@kernel.org, linus.walleij@linaro.org, Roy.Pledge@nxp.com, leoyang.li@nxp.com, ssantosh@kernel.org, matthias.bgg@gmail.com, edubezval@gmail.com, j-keerthy@ti.com, balbi@kernel.org, linux@prisktech.co.nz, stern@rowland.harvard.edu, wim@linux-watchdog.org, linux@roeck-us.net Cc: linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, linux-omap@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-clk@vger.kernel.org, dmaengine@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, netdev@vger.kernel.org, linux-phy@lists.infradead.org, linux-gpio@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-staging@lists.linux.dev, linux-mediatek@lists.infradead.org, linux-pm@vger.kernel.org, linux-usb@vger.kernel.org, linux-watchdog@vger.kernel.org Subject: [RFC v1 PATCH 2/3] caam: add defer probe when the caam driver cannot identify SoC Date: Mon, 19 Apr 2021 12:27:21 +0800 Message-Id: <20210419042722.27554-3-alice.guo@oss.nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210419042722.27554-1-alice.guo@oss.nxp.com> References: <20210419042722.27554-1-alice.guo@oss.nxp.com> X-Originating-IP: [119.31.174.71] X-ClientProxiedBy: AM0PR02CA0207.eurprd02.prod.outlook.com (2603:10a6:20b:28f::14) To AM6PR04MB6053.eurprd04.prod.outlook.com (2603:10a6:20b:b9::10) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from nxf55104-OptiPlex-7060.ap.freescale.net (119.31.174.71) by AM0PR02CA0207.eurprd02.prod.outlook.com (2603:10a6:20b:28f::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4042.19 via Frontend Transport; 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Signed-off-by: Alice Guo --- drivers/crypto/caam/ctrl.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index ca0361b2dbb0..d08f8cc4131f 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -635,6 +635,9 @@ static int caam_probe(struct platform_device *pdev) nprop = pdev->dev.of_node; imx_soc_match = soc_device_match(caam_imx_soc_table); + if (IS_ERR(imx_soc_match)) + return PTR_ERR(imx_soc_match); + caam_imx = (bool)imx_soc_match; if (imx_soc_match) { From patchwork Mon Apr 19 04:27:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Alice Guo \(OSS\)" X-Patchwork-Id: 424991 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 155E8C43617 for ; 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dkim=none (message not signed) header.d=none; linuxfoundation.org; dmarc=none action=none header.from=oss.nxp.com; Received: from AM6PR04MB6053.eurprd04.prod.outlook.com (2603:10a6:20b:b9::10) by AM6PR04MB4406.eurprd04.prod.outlook.com (2603:10a6:20b:22::30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4020.22; Mon, 19 Apr 2021 04:28:52 +0000 Received: from AM6PR04MB6053.eurprd04.prod.outlook.com ([fe80::b034:690:56aa:7b18]) by AM6PR04MB6053.eurprd04.prod.outlook.com ([fe80::b034:690:56aa:7b18%4]) with mapi id 15.20.4042.024; Mon, 19 Apr 2021 04:28:52 +0000 From: "Alice Guo (OSS)" To: gregkh@linuxfoundation.org, rafael@kernel.org, horia.geanta@nxp.com, aymen.sghaier@nxp.com, herbert@gondor.apana.org.au, davem@davemloft.net, tony@atomide.com, geert+renesas@glider.be, mturquette@baylibre.com, sboyd@kernel.org, vkoul@kernel.org, peter.ujfalusi@gmail.com, a.hajda@samsung.com, narmstrong@baylibre.com, robert.foss@linaro.org, airlied@linux.ie, daniel@ffwll.ch, khilman@baylibre.com, tomba@kernel.org, jyri.sarha@iki.fi, joro@8bytes.org, will@kernel.org, mchehab@kernel.org, ulf.hansson@linaro.org, adrian.hunter@intel.com, kishon@ti.com, kuba@kernel.org, linus.walleij@linaro.org, Roy.Pledge@nxp.com, leoyang.li@nxp.com, ssantosh@kernel.org, matthias.bgg@gmail.com, edubezval@gmail.com, j-keerthy@ti.com, balbi@kernel.org, linux@prisktech.co.nz, stern@rowland.harvard.edu, wim@linux-watchdog.org, linux@roeck-us.net Cc: linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, linux-omap@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-clk@vger.kernel.org, dmaengine@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, netdev@vger.kernel.org, linux-phy@lists.infradead.org, linux-gpio@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-staging@lists.linux.dev, linux-mediatek@lists.infradead.org, linux-pm@vger.kernel.org, linux-usb@vger.kernel.org, linux-watchdog@vger.kernel.org Subject: [RFC v1 PATCH 3/3] driver: update all the code that use soc_device_match Date: Mon, 19 Apr 2021 12:27:22 +0800 Message-Id: <20210419042722.27554-4-alice.guo@oss.nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210419042722.27554-1-alice.guo@oss.nxp.com> References: <20210419042722.27554-1-alice.guo@oss.nxp.com> X-Originating-IP: [119.31.174.71] X-ClientProxiedBy: AM0PR02CA0207.eurprd02.prod.outlook.com (2603:10a6:20b:28f::14) To AM6PR04MB6053.eurprd04.prod.outlook.com (2603:10a6:20b:b9::10) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from nxf55104-OptiPlex-7060.ap.freescale.net (119.31.174.71) by AM0PR02CA0207.eurprd02.prod.outlook.com (2603:10a6:20b:28f::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4042.19 via Frontend Transport; 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Signed-off-by: Alice Guo --- drivers/bus/ti-sysc.c | 2 +- drivers/clk/renesas/r8a7795-cpg-mssr.c | 4 +++- drivers/clk/renesas/rcar-gen2-cpg.c | 2 +- drivers/clk/renesas/rcar-gen3-cpg.c | 2 +- drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c | 7 ++++++- drivers/dma/ti/k3-psil.c | 3 +++ drivers/dma/ti/k3-udma.c | 2 +- drivers/gpu/drm/bridge/nwl-dsi.c | 2 +- drivers/gpu/drm/meson/meson_drv.c | 4 +++- drivers/gpu/drm/omapdrm/dss/dispc.c | 2 +- drivers/gpu/drm/omapdrm/dss/dpi.c | 4 +++- drivers/gpu/drm/omapdrm/dss/dsi.c | 3 +++ drivers/gpu/drm/omapdrm/dss/dss.c | 3 +++ drivers/gpu/drm/omapdrm/dss/hdmi4_core.c | 3 +++ drivers/gpu/drm/omapdrm/dss/venc.c | 4 +++- drivers/gpu/drm/omapdrm/omap_drv.c | 3 +++ drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 4 +++- drivers/gpu/drm/rcar-du/rcar_lvds.c | 2 +- drivers/gpu/drm/tidss/tidss_dispc.c | 4 +++- drivers/iommu/ipmmu-vmsa.c | 7 +++++-- drivers/media/platform/rcar-vin/rcar-core.c | 2 +- drivers/media/platform/rcar-vin/rcar-csi2.c | 2 +- drivers/media/platform/vsp1/vsp1_uif.c | 4 +++- drivers/mmc/host/renesas_sdhi_core.c | 2 +- drivers/mmc/host/renesas_sdhi_internal_dmac.c | 2 +- drivers/mmc/host/sdhci-of-esdhc.c | 21 ++++++++++++++----- drivers/mmc/host/sdhci-omap.c | 2 +- drivers/mmc/host/sdhci_am654.c | 2 +- drivers/net/ethernet/renesas/ravb_main.c | 4 +++- drivers/net/ethernet/ti/am65-cpsw-nuss.c | 2 +- drivers/net/ethernet/ti/cpsw.c | 2 +- drivers/net/ethernet/ti/cpsw_new.c | 2 +- drivers/phy/ti/phy-omap-usb2.c | 4 +++- drivers/pinctrl/renesas/core.c | 2 +- drivers/pinctrl/renesas/pfc-r8a7790.c | 5 ++++- drivers/pinctrl/renesas/pfc-r8a7794.c | 5 ++++- drivers/soc/fsl/dpio/dpio-driver.c | 13 ++++++++---- drivers/soc/renesas/r8a774c0-sysc.c | 5 ++++- drivers/soc/renesas/r8a7795-sysc.c | 2 +- drivers/soc/renesas/r8a77990-sysc.c | 5 ++++- drivers/soc/ti/k3-ringacc.c | 2 +- drivers/staging/mt7621-pci/pci-mt7621.c | 2 +- drivers/thermal/rcar_gen3_thermal.c | 4 +++- drivers/thermal/ti-soc-thermal/ti-bandgap.c | 10 +++++++-- drivers/usb/gadget/udc/renesas_usb3.c | 2 +- drivers/usb/host/ehci-platform.c | 4 +++- drivers/usb/host/xhci-rcar.c | 2 +- drivers/watchdog/renesas_wdt.c | 2 +- 48 files changed, 131 insertions(+), 52 deletions(-) diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 5fae60f8c135..00c59aa217c1 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -2909,7 +2909,7 @@ static int sysc_init_soc(struct sysc *ddata) } match = soc_device_match(sysc_soc_feat_match); - if (!match) + if (!match || IS_ERR(match)) return 0; if (match->data) diff --git a/drivers/clk/renesas/r8a7795-cpg-mssr.c b/drivers/clk/renesas/r8a7795-cpg-mssr.c index c32d2c678046..90a18336a4c3 100644 --- a/drivers/clk/renesas/r8a7795-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7795-cpg-mssr.c @@ -439,6 +439,7 @@ static const unsigned int r8a7795es2_mod_nullify[] __initconst = { static int __init r8a7795_cpg_mssr_init(struct device *dev) { + const struct soc_device_attribute *match; const struct rcar_gen3_cpg_pll_config *cpg_pll_config; u32 cpg_mode; int error; @@ -453,7 +454,8 @@ static int __init r8a7795_cpg_mssr_init(struct device *dev) return -EINVAL; } - if (soc_device_match(r8a7795es1)) { + match = soc_device_match(r8a7795es1); + if (!IS_ERR(match) && match) { cpg_core_nullify_range(r8a7795_core_clks, ARRAY_SIZE(r8a7795_core_clks), R8A7795_CLK_S0D2, R8A7795_CLK_S0D12); diff --git a/drivers/clk/renesas/rcar-gen2-cpg.c b/drivers/clk/renesas/rcar-gen2-cpg.c index edae874fa2b6..946f82634d23 100644 --- a/drivers/clk/renesas/rcar-gen2-cpg.c +++ b/drivers/clk/renesas/rcar-gen2-cpg.c @@ -383,7 +383,7 @@ int __init rcar_gen2_cpg_init(const struct rcar_gen2_cpg_pll_config *config, cpg_pll0_div = pll0_div; cpg_mode = mode; attr = soc_device_match(cpg_quirks_match); - if (attr) + if (!IS_ERR(attr) && attr) cpg_quirks = (uintptr_t)attr->data; pr_debug("%s: mode = 0x%x quirks = 0x%x\n", __func__, mode, cpg_quirks); diff --git a/drivers/clk/renesas/rcar-gen3-cpg.c b/drivers/clk/renesas/rcar-gen3-cpg.c index caa0f9414e45..e5c7854188cd 100644 --- a/drivers/clk/renesas/rcar-gen3-cpg.c +++ b/drivers/clk/renesas/rcar-gen3-cpg.c @@ -499,7 +499,7 @@ int __init rcar_gen3_cpg_init(const struct rcar_gen3_cpg_pll_config *config, cpg_clk_extalr = clk_extalr; cpg_mode = mode; attr = soc_device_match(cpg_quirks_match); - if (attr) + if (!IS_ERR(attr) && attr) cpg_quirks = (uintptr_t)attr->data; pr_debug("%s: mode = 0x%x quirks = 0x%x\n", __func__, mode, cpg_quirks); diff --git a/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c b/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c index 4ec909e0b810..7c83ae86ced4 100644 --- a/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c +++ b/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c @@ -651,6 +651,7 @@ static int dpaa2_dpdmai_init_channels(struct dpaa2_qdma_engine *dpaa2_qdma) static int dpaa2_qdma_probe(struct fsl_mc_device *dpdmai_dev) { + const struct soc_device_attribute *match; struct device *dev = &dpdmai_dev->dev; struct dpaa2_qdma_engine *dpaa2_qdma; struct dpaa2_qdma_priv *priv; @@ -718,7 +719,11 @@ static int dpaa2_qdma_probe(struct fsl_mc_device *dpdmai_dev) dpaa2_dpdmai_init_channels(dpaa2_qdma); - if (soc_device_match(soc_fixup_tuning)) + match = soc_device_match(soc_fixup_tuning); + if (IS_ERR(match)) + return PTR_ERR(match); + + if (match) dpaa2_qdma->qdma_wrtype_fixup = true; else dpaa2_qdma->qdma_wrtype_fixup = false; diff --git a/drivers/dma/ti/k3-psil.c b/drivers/dma/ti/k3-psil.c index 13ce7367d870..ae56441e5184 100644 --- a/drivers/dma/ti/k3-psil.c +++ b/drivers/dma/ti/k3-psil.c @@ -33,6 +33,9 @@ struct psil_endpoint_config *psil_get_ep_config(u32 thread_id) const struct soc_device_attribute *soc; soc = soc_device_match(k3_soc_devices); + if (IS_ERR(soc)) + return PTR_ERR(soc); + if (soc) { soc_ep_map = soc->data; } else { diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index 96ad21869ba7..50a4c8f0993d 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -5188,7 +5188,7 @@ static int udma_probe(struct platform_device *pdev) ud->match_data = match->data; soc = soc_device_match(k3_soc_devices); - if (!soc) { + if (!IS_ERR(soc) && !soc) { dev_err(dev, "No compatible SoC found\n"); return -ENODEV; } diff --git a/drivers/gpu/drm/bridge/nwl-dsi.c b/drivers/gpu/drm/bridge/nwl-dsi.c index 66b67402f1ac..80fe971e359d 100644 --- a/drivers/gpu/drm/bridge/nwl-dsi.c +++ b/drivers/gpu/drm/bridge/nwl-dsi.c @@ -1158,7 +1158,7 @@ static int nwl_dsi_probe(struct platform_device *pdev) } attr = soc_device_match(nwl_dsi_quirks_match); - if (attr) + if (!IS_ERR(attr) && attr) dsi->quirks = (uintptr_t)attr->data; dsi->bridge.driver_private = dsi; diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c index 453d8b4c5763..d409c9958f18 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -195,6 +195,7 @@ static int meson_drv_bind_master(struct device *dev, bool has_components) { struct platform_device *pdev = to_platform_device(dev); const struct meson_drm_match_data *match; + const struct soc_device_attribute *attr; struct meson_drm *priv; struct drm_device *drm; struct resource *res; @@ -291,7 +292,8 @@ static int meson_drv_bind_master(struct device *dev, bool has_components) /* Assign limits per soc revision/package */ for (i = 0 ; i < ARRAY_SIZE(meson_drm_soc_attrs) ; ++i) { - if (soc_device_match(meson_drm_soc_attrs[i].attrs)) { + attr = soc_device_match(meson_drm_soc_attrs[i].attrs); + if (!IS_ERR(attr) && attr) { priv->limits = &meson_drm_soc_attrs[i].limits; break; } diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c index 5619420cc2cc..53f402d72fc4 100644 --- a/drivers/gpu/drm/omapdrm/dss/dispc.c +++ b/drivers/gpu/drm/omapdrm/dss/dispc.c @@ -4741,7 +4741,7 @@ static int dispc_bind(struct device *dev, struct device *master, void *data) * string, use SoC device matching. */ soc = soc_device_match(dispc_soc_devices); - if (soc) + if (!IS_ERR(soc) && soc) dispc->feat = soc->data; else dispc->feat = of_match_device(dispc_of_match, &pdev->dev)->data; diff --git a/drivers/gpu/drm/omapdrm/dss/dpi.c b/drivers/gpu/drm/omapdrm/dss/dpi.c index 030f997eccd0..57b1c62dcdf2 100644 --- a/drivers/gpu/drm/omapdrm/dss/dpi.c +++ b/drivers/gpu/drm/omapdrm/dss/dpi.c @@ -677,12 +677,14 @@ static const struct soc_device_attribute dpi_soc_devices[] = { static int dpi_init_regulator(struct dpi_data *dpi) { struct regulator *vdds_dsi; + struct soc_device_attribute *soc; /* * The DPI uses the DSI VDDS on OMAP34xx, OMAP35xx, OMAP36xx, AM37xx and * DM37xx only. */ - if (!soc_device_match(dpi_soc_devices)) + soc = soc_device_match(dpi_soc_devices); + if (!IS_ERR(soc) && !soc) return 0; vdds_dsi = devm_regulator_get(&dpi->pdev->dev, "vdds_dsi"); diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c index 5f1722b040f4..cbef6fb85d1d 100644 --- a/drivers/gpu/drm/omapdrm/dss/dsi.c +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c @@ -4952,6 +4952,9 @@ static int dsi_probe(struct platform_device *pdev) } soc = soc_device_match(dsi_soc_devices); + if (IS_ERR(soc)) + return PTR_ERR(soc); + if (soc) dsi->data = soc->data; else diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c index d6a5862b4dbf..1f88d25d178b 100644 --- a/drivers/gpu/drm/omapdrm/dss/dss.c +++ b/drivers/gpu/drm/omapdrm/dss/dss.c @@ -1446,6 +1446,9 @@ static int dss_probe(struct platform_device *pdev) * string, use SoC device matching. */ soc = soc_device_match(dss_soc_devices); + if (IS_ERR(soc)) + return PTR_ERR(soc); + if (soc) dss->feat = soc->data; else diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c b/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c index 35faa7f028c4..53a09cfd4deb 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c @@ -874,6 +874,9 @@ int hdmi4_core_init(struct platform_device *pdev, struct hdmi_core_data *core) const struct soc_device_attribute *soc; soc = soc_device_match(hdmi4_soc_devices); + if (IS_ERR(soc)) + return PTR_ERR(soc); + if (!soc) return -ENODEV; diff --git a/drivers/gpu/drm/omapdrm/dss/venc.c b/drivers/gpu/drm/omapdrm/dss/venc.c index e522c17955d0..df6fa3977481 100644 --- a/drivers/gpu/drm/omapdrm/dss/venc.c +++ b/drivers/gpu/drm/omapdrm/dss/venc.c @@ -805,6 +805,7 @@ static const struct soc_device_attribute venc_soc_devices[] = { static int venc_probe(struct platform_device *pdev) { + const struct soc_device_attribute *match; struct venc_device *venc; struct resource *venc_mem; int r; @@ -818,7 +819,8 @@ static int venc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, venc); /* The OMAP34xx, OMAP35xx and AM35xx VENC require the TV DAC clock. */ - if (soc_device_match(venc_soc_devices)) + match = soc_device_match(venc_soc_devices); + if (!IS_ERR(match) && match) venc->requires_tv_dac_clk = true; venc->config = &venc_config_pal_trm; diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index 8632139e0f01..8542998f5e9e 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -576,6 +576,9 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev) priv->dss->mgr_ops_priv = priv; soc = soc_device_match(omapdrm_soc_devices); + if (IS_ERR(soc)) + return PTR_ERR(soc); + priv->omaprev = soc ? (unsigned int)soc->data : 0; priv->wq = alloc_ordered_workqueue("omapdrm", 0); diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index ea7e39d03545..06f5fd518326 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -215,6 +215,7 @@ static void rcar_du_crtc_set_display_timing(struct rcar_du_crtc *rcrtc) const struct drm_display_mode *mode = &rcrtc->crtc.state->adjusted_mode; struct rcar_du_device *rcdu = rcrtc->dev; unsigned long mode_clock = mode->clock * 1000; + const struct soc_device_attribute *match; u32 dsmr; u32 escr; @@ -238,7 +239,8 @@ static void rcar_du_crtc_set_display_timing(struct rcar_du_crtc *rcrtc) * no post-divider when a display PLL is present (as shown by * the workaround breaking HDMI output on M3-W during testing). */ - if (soc_device_match(rcar_du_r8a7795_es1)) { + match = soc_device_match(rcar_du_r8a7795_es1); + if (!IS_ERR(match) && match) { target *= 2; div = 1; } diff --git a/drivers/gpu/drm/rcar-du/rcar_lvds.c b/drivers/gpu/drm/rcar-du/rcar_lvds.c index 70dbbe44bb23..273c812a04e0 100644 --- a/drivers/gpu/drm/rcar-du/rcar_lvds.c +++ b/drivers/gpu/drm/rcar-du/rcar_lvds.c @@ -912,7 +912,7 @@ static int rcar_lvds_probe(struct platform_device *pdev) lvds->info = of_device_get_match_data(&pdev->dev); attr = soc_device_match(lvds_quirk_matches); - if (attr) + if (!IS_ERR(attr) && attr) lvds->info = attr->data; ret = rcar_lvds_parse_dt(lvds); diff --git a/drivers/gpu/drm/tidss/tidss_dispc.c b/drivers/gpu/drm/tidss/tidss_dispc.c index 60b92df615aa..8f083604e04f 100644 --- a/drivers/gpu/drm/tidss/tidss_dispc.c +++ b/drivers/gpu/drm/tidss/tidss_dispc.c @@ -2643,8 +2643,10 @@ static void dispc_init_errata(struct dispc_device *dispc) { .family = "AM65X", .revision = "SR1.0" }, { /* sentinel */ } }; + const struct soc_device_attribute *match; - if (soc_device_match(am65x_sr10_soc_devices)) { + match = soc_device_match(am65x_sr10_soc_devices); + if (!IS_ERR(match) && match) { dispc->errata.i2000 = true; dev_info(dispc->dev, "WA for erratum i2000: YUV formats disabled\n"); } diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index eaaec0a55cc6..13a06b613379 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -757,17 +757,20 @@ static const char * const devices_allowlist[] = { static bool ipmmu_device_is_allowed(struct device *dev) { + const struct soc_device_attribute *match1, *match2; unsigned int i; /* * R-Car Gen3 and RZ/G2 use the allow list to opt-in devices. * For Other SoCs, this returns true anyway. */ - if (!soc_device_match(soc_needs_opt_in)) + match1 = soc_device_match(soc_needs_opt_in); + if (!IS_ERR(match1) && !match1) return true; /* Check whether this SoC can use the IPMMU correctly or not */ - if (soc_device_match(soc_denylist)) + match2 = soc_device_match(soc_denylist); + if (!IS_ERR(match2) && !match2) return false; /* Check whether this device can work with the IPMMU */ diff --git a/drivers/media/platform/rcar-vin/rcar-core.c b/drivers/media/platform/rcar-vin/rcar-core.c index cb3025992817..37afc4b169c1 100644 --- a/drivers/media/platform/rcar-vin/rcar-core.c +++ b/drivers/media/platform/rcar-vin/rcar-core.c @@ -1413,7 +1413,7 @@ static int rcar_vin_probe(struct platform_device *pdev) * uses different routing than r8a7795 ES2.0. */ attr = soc_device_match(r8a7795es1); - if (attr) + if (!IS_ERR(attr) && attr) vin->info = attr->data; vin->base = devm_platform_ioremap_resource(pdev, 0); diff --git a/drivers/media/platform/rcar-vin/rcar-csi2.c b/drivers/media/platform/rcar-vin/rcar-csi2.c index e06cd512aba2..b83200e8e30d 100644 --- a/drivers/media/platform/rcar-vin/rcar-csi2.c +++ b/drivers/media/platform/rcar-vin/rcar-csi2.c @@ -1214,7 +1214,7 @@ static int rcsi2_probe(struct platform_device *pdev) * share the same compatible string. */ attr = soc_device_match(r8a7795); - if (attr) + if (!IS_ERR(attr) && attr) priv->info = attr->data; priv->dev = &pdev->dev; diff --git a/drivers/media/platform/vsp1/vsp1_uif.c b/drivers/media/platform/vsp1/vsp1_uif.c index 467d1072577b..e5c5b4f50dea 100644 --- a/drivers/media/platform/vsp1/vsp1_uif.c +++ b/drivers/media/platform/vsp1/vsp1_uif.c @@ -240,6 +240,7 @@ static const struct soc_device_attribute vsp1_r8a7796[] = { struct vsp1_uif *vsp1_uif_create(struct vsp1_device *vsp1, unsigned int index) { struct vsp1_uif *uif; + const struct soc_device_attribute *attr; char name[6]; int ret; @@ -247,7 +248,8 @@ struct vsp1_uif *vsp1_uif_create(struct vsp1_device *vsp1, unsigned int index) if (!uif) return ERR_PTR(-ENOMEM); - if (soc_device_match(vsp1_r8a7796)) + attr = soc_device_match(vsp1_r8a7796); + if (!IS_ERR(attr) && attr) uif->m3w_quirk = true; uif->entity.ops = &uif_entity_ops; diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c index 635bf31a6735..71986a8bf50e 100644 --- a/drivers/mmc/host/renesas_sdhi_core.c +++ b/drivers/mmc/host/renesas_sdhi_core.c @@ -964,7 +964,7 @@ int renesas_sdhi_probe(struct platform_device *pdev, of_data = of_device_get_match_data(&pdev->dev); attr = soc_device_match(sdhi_quirks_match); - if (attr) + if (!IS_ERR(attr) && attr) quirks = attr->data; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c index e8f4863d8f1a..946f57b3cc48 100644 --- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c +++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c @@ -408,7 +408,7 @@ static int renesas_sdhi_internal_dmac_probe(struct platform_device *pdev) const struct soc_device_attribute *soc = soc_device_match(soc_dma_quirks); struct device *dev = &pdev->dev; - if (soc) + if (!IS_ERR(soc) && soc) global_flags |= (unsigned long)soc->data; /* value is max of SD_SECCNT. Confirmed by HW engineers */ diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index ab5ab969f711..4259553451da 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -1336,6 +1336,7 @@ static void esdhc_init(struct platform_device *pdev, struct sdhci_host *host) struct sdhci_esdhc *esdhc; struct device_node *np; struct clk *clk; + const struct soc_device_attribute *match1, *match2, *match3; u32 val; u16 host_ver; @@ -1346,17 +1347,20 @@ static void esdhc_init(struct platform_device *pdev, struct sdhci_host *host) esdhc->vendor_ver = (host_ver & SDHCI_VENDOR_VER_MASK) >> SDHCI_VENDOR_VER_SHIFT; esdhc->spec_ver = host_ver & SDHCI_SPEC_VER_MASK; - if (soc_device_match(soc_incorrect_hostver)) + match1 = soc_device_match(soc_incorrect_hostver); + if (!IS_ERR(match1) && match1) esdhc->quirk_incorrect_hostver = true; else esdhc->quirk_incorrect_hostver = false; - if (soc_device_match(soc_fixup_sdhc_clkdivs)) + match2 = soc_device_match(soc_fixup_sdhc_clkdivs); + if (!IS_ERR(match2) && match2) esdhc->quirk_limited_clk_division = true; else esdhc->quirk_limited_clk_division = false; - if (soc_device_match(soc_unreliable_pulse_detection)) + match3 = soc_device_match(soc_unreliable_pulse_detection); + if (!IS_ERR(match3) && match3) esdhc->quirk_unreliable_pulse_detection = true; else esdhc->quirk_unreliable_pulse_detection = false; @@ -1417,6 +1421,7 @@ static int sdhci_esdhc_probe(struct platform_device *pdev) struct device_node *np; struct sdhci_pltfm_host *pltfm_host; struct sdhci_esdhc *esdhc; + const struct soc_device_attribute *match1, *match2; int ret; np = pdev->dev.of_node; @@ -1443,12 +1448,18 @@ static int sdhci_esdhc_probe(struct platform_device *pdev) pltfm_host = sdhci_priv(host); esdhc = sdhci_pltfm_priv(pltfm_host); - if (soc_device_match(soc_tuning_erratum_type1)) + match1 = soc_device_match(soc_tuning_erratum_type1); + if (IS_ERR(match1)) + return PTR_ERR(match1); + if (match1) esdhc->quirk_tuning_erratum_type1 = true; else esdhc->quirk_tuning_erratum_type1 = false; - if (soc_device_match(soc_tuning_erratum_type2)) + match2 = soc_device_match(soc_tuning_erratum_type2); + if (IS_ERR(match2)) + return PTR_ERR(match2); + if (match2) esdhc->quirk_tuning_erratum_type2 = true; else esdhc->quirk_tuning_erratum_type2 = false; diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c index 7893fd3599b6..5a6f2b22eb42 100644 --- a/drivers/mmc/host/sdhci-omap.c +++ b/drivers/mmc/host/sdhci-omap.c @@ -1132,7 +1132,7 @@ static int sdhci_omap_probe(struct platform_device *pdev) goto err_pltfm_free; soc = soc_device_match(sdhci_omap_soc_devices); - if (soc) { + if (!IS_ERR(soc) && soc) { omap_host->version = "rev11"; if (!strcmp(dev_name(dev), "4809c000.mmc")) mmc->f_max = 96000000; diff --git a/drivers/mmc/host/sdhci_am654.c b/drivers/mmc/host/sdhci_am654.c index 1fad6e442688..c0d1a0eab939 100644 --- a/drivers/mmc/host/sdhci_am654.c +++ b/drivers/mmc/host/sdhci_am654.c @@ -787,7 +787,7 @@ static int sdhci_am654_probe(struct platform_device *pdev) /* Update drvdata based on SoC revision */ soc = soc_device_match(sdhci_am654_devices); - if (soc && soc->data) + if (!IS_ERR(soc) && soc && soc->data) drvdata = soc->data; host = sdhci_pltfm_init(pdev, drvdata->pdata, sizeof(*sdhci_am654)); diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index 8c84c40ab9a0..f9e1cafe9b1a 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -1016,6 +1016,7 @@ static int ravb_phy_init(struct net_device *ndev) struct ravb_private *priv = netdev_priv(ndev); struct phy_device *phydev; struct device_node *pn; + const struct soc_device_attribute *soc; phy_interface_t iface; int err; @@ -1049,7 +1050,8 @@ static int ravb_phy_init(struct net_device *ndev) /* This driver only support 10/100Mbit speeds on R-Car H3 ES1.0 * at this time. */ - if (soc_device_match(r8a7795es10)) { + soc = soc_device_match(r8a7795es10); + if (!IS_ERR(soc) && soc) { err = phy_set_max_speed(phydev, SPEED_100); if (err) { netdev_err(ndev, "failed to limit PHY to 100Mbit/s\n"); diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index 6a67b026df0b..01c1e5b573fa 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -2596,7 +2596,7 @@ static void am65_cpsw_nuss_apply_socinfo(struct am65_cpsw_common *common) const struct soc_device_attribute *soc; soc = soc_device_match(am65_cpsw_socinfo); - if (soc && soc->data) { + if (!IS_ERR(soc) && soc && soc->data) { const struct am65_cpsw_soc_pdata *socdata = soc->data; /* disable quirks */ diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index c0cd7de88316..12bb62ed0fe9 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -1579,7 +1579,7 @@ static int cpsw_probe(struct platform_device *pdev) goto clean_dt_ret; soc = soc_device_match(cpsw_soc_devices); - if (soc) + if (!IS_ERR(soc) && soc) cpsw->quirk_irq = true; data = &cpsw->data; diff --git a/drivers/net/ethernet/ti/cpsw_new.c b/drivers/net/ethernet/ti/cpsw_new.c index 69b7a4e0220a..2b82a3e4a3cc 100644 --- a/drivers/net/ethernet/ti/cpsw_new.c +++ b/drivers/net/ethernet/ti/cpsw_new.c @@ -1925,7 +1925,7 @@ static int cpsw_probe(struct platform_device *pdev) goto clean_dt_ret; soc = soc_device_match(cpsw_soc_devices); - if (soc) + if (!IS_ERR(soc) && soc) cpsw->quirk_irq = true; cpsw->rx_packet_max = rx_packet_max; diff --git a/drivers/phy/ti/phy-omap-usb2.c b/drivers/phy/ti/phy-omap-usb2.c index ebceb1520ce8..d7346d0ea9ed 100644 --- a/drivers/phy/ti/phy-omap-usb2.c +++ b/drivers/phy/ti/phy-omap-usb2.c @@ -348,6 +348,7 @@ static void omap_usb2_init_errata(struct omap_usb *phy) { .family = "AM65X", .revision = "SR1.0" }, { /* sentinel */ } }; + const struct soc_device_attribute *soc; /* * Errata i2075: USB2PHY: USB2PHY Charger Detect is Enabled by @@ -358,7 +359,8 @@ static void omap_usb2_init_errata(struct omap_usb *phy) * Disabling the USB2_PHY Charger Detect function will put D+ * into the normal state. */ - if (soc_device_match(am65x_sr10_soc_devices)) + soc = soc_device_match(am65x_sr10_soc_devices); + if (!IS_ERR(soc) && soc) phy->flags |= OMAP_USB2_DISABLE_CHRG_DET; } diff --git a/drivers/pinctrl/renesas/core.c b/drivers/pinctrl/renesas/core.c index 5ccc49b387f1..758444e0a620 100644 --- a/drivers/pinctrl/renesas/core.c +++ b/drivers/pinctrl/renesas/core.c @@ -1102,7 +1102,7 @@ static const void *sh_pfc_quirk_match(void) }; match = soc_device_match(quirks); - if (match) + if (!IS_ERR(match) && match) return match->data ?: ERR_PTR(-ENODEV); #endif /* CONFIG_PINCTRL_PFC_R8A77950 || CONFIG_PINCTRL_PFC_R8A77951 */ diff --git a/drivers/pinctrl/renesas/pfc-r8a7790.c b/drivers/pinctrl/renesas/pfc-r8a7790.c index e9a64e0e2734..57044d338fd5 100644 --- a/drivers/pinctrl/renesas/pfc-r8a7790.c +++ b/drivers/pinctrl/renesas/pfc-r8a7790.c @@ -5999,8 +5999,11 @@ static const struct soc_device_attribute r8a7790_tdsel[] = { static int r8a7790_pinmux_soc_init(struct sh_pfc *pfc) { + const struct soc_device_attribute *match; + /* Initialize TDSEL on old revisions */ - if (soc_device_match(r8a7790_tdsel)) + match = soc_device_match(r8a7790_tdsel); + if (!IS_ERR(match) && match) sh_pfc_write(pfc, 0xe6060088, 0x00155554); return 0; diff --git a/drivers/pinctrl/renesas/pfc-r8a7794.c b/drivers/pinctrl/renesas/pfc-r8a7794.c index 34481b6c4328..fb9a714dec1d 100644 --- a/drivers/pinctrl/renesas/pfc-r8a7794.c +++ b/drivers/pinctrl/renesas/pfc-r8a7794.c @@ -5587,8 +5587,11 @@ static const struct soc_device_attribute r8a7794_tdsel[] = { static int r8a7794_pinmux_soc_init(struct sh_pfc *pfc) { + const struct soc_device_attribute *match; + /* Initialize TDSEL on old revisions */ - if (soc_device_match(r8a7794_tdsel)) + match = soc_device_match(r8a7794_tdsel); + if (!IS_ERR(match) && match) sh_pfc_write(pfc, 0xe6060068, 0x55555500); return 0; diff --git a/drivers/soc/fsl/dpio/dpio-driver.c b/drivers/soc/fsl/dpio/dpio-driver.c index 7f397b4ad878..01e3d1ca54df 100644 --- a/drivers/soc/fsl/dpio/dpio-driver.c +++ b/drivers/soc/fsl/dpio/dpio-driver.c @@ -55,14 +55,19 @@ static const struct soc_device_attribute lx2160a_soc[] = { static int dpaa2_dpio_get_cluster_sdest(struct fsl_mc_device *dpio_dev, int cpu) { + const struct soc_device_attribute *match1, *match2, *match3, *match4; int cluster_base, cluster_size; - if (soc_device_match(ls1088a_soc)) { + match1 = soc_device_match(ls1088a_soc); + match2 = soc_device_match(ls2080a_soc); + match3 = soc_device_match(ls2088a_soc); + match4 = soc_device_match(lx2160a_soc); + if (!IS_ERR(match1) && match1) { cluster_base = 2; cluster_size = 4; - } else if (soc_device_match(ls2080a_soc) || - soc_device_match(ls2088a_soc) || - soc_device_match(lx2160a_soc)) { + } else if ((!IS_ERR(match2) && match2) || + (!IS_ERR(match3) && match3) || + (!IS_ERR(match4) && match4)) { cluster_base = 0; cluster_size = 2; } else { diff --git a/drivers/soc/renesas/r8a774c0-sysc.c b/drivers/soc/renesas/r8a774c0-sysc.c index c1c216f7d073..6b0b092c1b45 100644 --- a/drivers/soc/renesas/r8a774c0-sysc.c +++ b/drivers/soc/renesas/r8a774c0-sysc.c @@ -36,7 +36,10 @@ static const struct soc_device_attribute r8a774c0[] __initconst = { static int __init r8a774c0_sysc_init(void) { - if (soc_device_match(r8a774c0)) { + const struct soc_device_attribute *match; + + match = soc_device_match(r8a774c0); + if (!IS_ERR(match) && match) { /* Fix incorrect 3DG hierarchy */ swap(r8a774c0_areas[6], r8a774c0_areas[7]); r8a774c0_areas[6].parent = R8A774C0_PD_ALWAYS_ON; diff --git a/drivers/soc/renesas/r8a7795-sysc.c b/drivers/soc/renesas/r8a7795-sysc.c index 91074411b8cf..7d5dcfcb1d09 100644 --- a/drivers/soc/renesas/r8a7795-sysc.c +++ b/drivers/soc/renesas/r8a7795-sysc.c @@ -74,7 +74,7 @@ static int __init r8a7795_sysc_init(void) u32 quirks = 0; attr = soc_device_match(r8a7795_quirks_match); - if (attr) + if (!IS_ERR(attr) && attr) quirks = (uintptr_t)attr->data; if (!(quirks & HAS_A2VC0)) diff --git a/drivers/soc/renesas/r8a77990-sysc.c b/drivers/soc/renesas/r8a77990-sysc.c index 9f92737dc352..10353afe061d 100644 --- a/drivers/soc/renesas/r8a77990-sysc.c +++ b/drivers/soc/renesas/r8a77990-sysc.c @@ -36,7 +36,10 @@ static const struct soc_device_attribute r8a77990[] __initconst = { static int __init r8a77990_sysc_init(void) { - if (soc_device_match(r8a77990)) { + const struct soc_device_attribute *match; + + match = soc_device_match(r8a77990); + if (!IS_ERR(match) && match) { /* Fix incorrect 3DG hierarchy */ swap(r8a77990_areas[7], r8a77990_areas[8]); r8a77990_areas[7].parent = R8A77990_PD_ALWAYS_ON; diff --git a/drivers/soc/ti/k3-ringacc.c b/drivers/soc/ti/k3-ringacc.c index 312ba0f98ad7..f4a08992e827 100644 --- a/drivers/soc/ti/k3-ringacc.c +++ b/drivers/soc/ti/k3-ringacc.c @@ -1368,7 +1368,7 @@ static int k3_ringacc_init(struct platform_device *pdev, return ret; soc = soc_device_match(k3_ringacc_socinfo); - if (soc && soc->data) { + if (!IS_ERR(soc) && soc && soc->data) { const struct k3_ringacc_soc_data *soc_data = soc->data; ringacc->dma_ring_reset_quirk = soc_data->dma_ring_reset_quirk; diff --git a/drivers/staging/mt7621-pci/pci-mt7621.c b/drivers/staging/mt7621-pci/pci-mt7621.c index 115250115f10..34ce3c8eb9fc 100644 --- a/drivers/staging/mt7621-pci/pci-mt7621.c +++ b/drivers/staging/mt7621-pci/pci-mt7621.c @@ -667,7 +667,7 @@ static int mt7621_pci_probe(struct platform_device *pdev) INIT_LIST_HEAD(&pcie->ports); attr = soc_device_match(mt7621_pci_quirks_match); - if (attr) + if (!IS_ERR(attr) && attr) pcie->resets_inverted = true; err = mt7621_pcie_parse_dt(pcie); diff --git a/drivers/thermal/rcar_gen3_thermal.c b/drivers/thermal/rcar_gen3_thermal.c index e1e412348076..ada3cc5adc02 100644 --- a/drivers/thermal/rcar_gen3_thermal.c +++ b/drivers/thermal/rcar_gen3_thermal.c @@ -310,6 +310,7 @@ static int rcar_gen3_thermal_probe(struct platform_device *pdev) const int *rcar_gen3_ths_tj_1 = of_device_get_match_data(dev); struct resource *res; struct thermal_zone_device *zone; + const struct soc_device_attribute *attr; int ret, i; /* default values if FUSEs are missing */ @@ -321,7 +322,8 @@ static int rcar_gen3_thermal_probe(struct platform_device *pdev) return -ENOMEM; priv->thermal_init = rcar_gen3_thermal_init; - if (soc_device_match(r8a7795es1)) + attr = soc_device_match(r8a7795es1); + if (!IS_ERR(attr) && attr) priv->thermal_init = rcar_gen3_thermal_init_r8a7795es1; platform_set_drvdata(pdev, priv); diff --git a/drivers/thermal/ti-soc-thermal/ti-bandgap.c b/drivers/thermal/ti-soc-thermal/ti-bandgap.c index d81af89166d2..eb9b7bcbd934 100644 --- a/drivers/thermal/ti-soc-thermal/ti-bandgap.c +++ b/drivers/thermal/ti-soc-thermal/ti-bandgap.c @@ -886,6 +886,9 @@ static const struct soc_device_attribute soc_no_cpu_notifier[] = { static int ti_bandgap_probe(struct platform_device *pdev) { +#ifdef CONFIG_PM_SLEEP + const struct soc_device_attribute *match; +#endif struct ti_bandgap *bgp; int clk_rate, ret, i; @@ -1037,7 +1040,8 @@ int ti_bandgap_probe(struct platform_device *pdev) #ifdef CONFIG_PM_SLEEP bgp->nb.notifier_call = bandgap_omap_cpu_notifier; - if (!soc_device_match(soc_no_cpu_notifier)) + match = soc_device_match(soc_no_cpu_notifier); + if (!IS_ERR(match) && !match) cpu_pm_register_notifier(&bgp->nb); #endif @@ -1072,9 +1076,11 @@ static int ti_bandgap_remove(struct platform_device *pdev) { struct ti_bandgap *bgp = platform_get_drvdata(pdev); + const struct soc_device_attribute *attr; int i; - if (!soc_device_match(soc_no_cpu_notifier)) + soc = soc_device_match(soc_no_cpu_notifier); + if (!IS_ERR(attr) && !attr) cpu_pm_unregister_notifier(&bgp->nb); /* Remove sensor interfaces */ diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index 0c418ce50ba0..dfc73e0187bd 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -2753,7 +2753,7 @@ static int renesas_usb3_probe(struct platform_device *pdev) const struct soc_device_attribute *attr; attr = soc_device_match(renesas_usb3_quirks_match); - if (attr) + if (!IS_ERR(attr) && attr) priv = attr->data; else priv = of_device_get_match_data(&pdev->dev); diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index c70f2d0b4aaf..5d9cd7797ec1 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -243,6 +243,7 @@ static int ehci_platform_probe(struct platform_device *dev) struct usb_ehci_pdata *pdata = dev_get_platdata(&dev->dev); struct ehci_platform_priv *priv; struct ehci_hcd *ehci; + const struct soc_device_attribute *match; int err, irq, clk = 0; if (usb_disabled()) @@ -297,7 +298,8 @@ static int ehci_platform_probe(struct platform_device *dev) "has-transaction-translator")) hcd->has_tt = 1; - if (soc_device_match(quirk_poll_match)) + match = soc_device_match(quirk_poll_match); + if (!IS_ERR(match) && match) priv->quirk_poll = true; for (clk = 0; clk < EHCI_MAX_CLKS; clk++) { diff --git a/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c index 1bc4fe7b8c75..41bb59d0e975 100644 --- a/drivers/usb/host/xhci-rcar.c +++ b/drivers/usb/host/xhci-rcar.c @@ -135,7 +135,7 @@ static int xhci_rcar_download_firmware(struct usb_hcd *hcd) const char *firmware_name; attr = soc_device_match(rcar_quirks_match); - if (attr) + if (!IS_ERR(attr) && attr) quirks = (uintptr_t)attr->data; if (quirks & RCAR_XHCI_FIRMWARE_V2) diff --git a/drivers/watchdog/renesas_wdt.c b/drivers/watchdog/renesas_wdt.c index 5791198960e6..fdc534dc4024 100644 --- a/drivers/watchdog/renesas_wdt.c +++ b/drivers/watchdog/renesas_wdt.c @@ -197,7 +197,7 @@ static bool rwdt_blacklisted(struct device *dev) const struct soc_device_attribute *attr; attr = soc_device_match(rwdt_quirks_match); - if (attr && setup_max_cpus > (uintptr_t)attr->data) { + if (!IS_ERR(attr) && attr && setup_max_cpus > (uintptr_t)attr->data) { dev_info(dev, "Watchdog blacklisted on %s %s\n", attr->soc_id, attr->revision); return true;