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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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X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 724ca91f-ed40-4bee-6ae6-08d902eb943e X-MS-Exchange-CrossTenant-AuthSource: AM6PR04MB6053.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Apr 2021 04:28:28.1801 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: eKNFGQKKV8ae94+mHMJkcNLZADkRUC1l42gCa/eQ0RoO3DOcU7XWPoUKz7GZYHvi7hB815JMctxKH21FyhhFpw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR04MB4406 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org From: Alice Guo When imx8_soc_info_driver uses module_platform_driver() to regitser itself, the caam driver cannot identify the SoC in the machine because the SoC driver is probed later, so that add return -EPROBE_DEFER. 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) {