From patchwork Tue Nov 8 18:11:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Frayer X-Patchwork-Id: 623265 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 5AB89C433FE for ; Tue, 8 Nov 2022 18:12:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233995AbiKHSMI (ORCPT ); Tue, 8 Nov 2022 13:12:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60702 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234650AbiKHSME (ORCPT ); Tue, 8 Nov 2022 13:12:04 -0500 Received: from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com [IPv6:2a00:1450:4864:20::42c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3160E59FD1 for ; Tue, 8 Nov 2022 10:12:02 -0800 (PST) Received: by mail-wr1-x42c.google.com with SMTP id o4so22300745wrq.6 for ; Tue, 08 Nov 2022 10:12:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ZusLhzKKZ9ZvXwH/3HZ+FFn0DEP+Zib5GkEH1QOxmpA=; b=TN4Kwq+GRjs5+zBvs1r+RGwFJlxGXQnDNX2FUczEPoh4sFnBht35WaD3gP66abT6bA 4zwLVWULr58InVVYA+v0eGF9y1tELhTOccAdkikdImsNKMqLEarKsnalnyH2AJXDfJCH /fXnfYwQqbxzbjyJfYJV4tigjgjZajeV0lSH/C54DM9E4vp0IyNqlJ8tTsVju5vNKrzm qoSBuO3tLxLXDKQJwlM+EBW+NbxUd4GBaK+jwdjA9XgjDh0/8hIY3lS2q6hjG+OJs19h msrm5Bf4OQ2lt7alUFdQl+IQd2lXZSSsDKGzG8ennGFtTpgTuC8Qmx0ICnCRK8PLN9mC fM8w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ZusLhzKKZ9ZvXwH/3HZ+FFn0DEP+Zib5GkEH1QOxmpA=; b=UgBe4QZZ9OS2WHEc8+ruUJJhQr4sVtKjkU4ofquY8iUkwEAVE5H4x/Atqx4CQkKt0b ceUFi9lbupvN8OOvUvomU+p2JKAJXcNWhoqnyCKg2O6GrAVgDe9/jwn+w6Lo00kjcYZz T8QLU351uyjJbed5Y3eByoQrS0CxUqTvHW/IgmVgP+FhpoeUBXLI+M59VQxRuyrVUhF0 hDDgsAqIKX6vRqMM9SB2h6b19nvoGCeXubhmlpV4gH+Pa2VHk1fKLx0wDjeDavotUWZn d0ph0TrHNK+VXBugXA3x7sSvASUqN4OXGTlGx8vfquej5rjx4bcIvUrfvUtV/2rS6tVB nNDw== X-Gm-Message-State: ACrzQf1aDUXNjSIjVizOvFjKbbywz5V/sNdd+fLXNNz1Vms9yGOYS5dE hbVfOGO5bNnfj2x81UT6n79wOw== X-Google-Smtp-Source: AMsMyM4nmhFv4quY2vYfgtOUKdpkQVOiWer4D8KXYpzbCouckdtHyHJWCKbwiPT2dMzbP5aR8ISXRA== X-Received: by 2002:adf:dc82:0:b0:236:e2b2:6f01 with SMTP id r2-20020adfdc82000000b00236e2b26f01mr28675227wrj.358.1667931120754; Tue, 08 Nov 2022 10:12:00 -0800 (PST) Received: from nicolas-Precision-3551.home ([2001:861:5180:dcc0:7d10:e9e8:fd9a:2f72]) by smtp.gmail.com with ESMTPSA id q12-20020a5d61cc000000b002238ea5750csm13037109wrv.72.2022.11.08.10.12.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Nov 2022 10:12:00 -0800 (PST) From: Nicolas Frayer To: nm@ti.com, ssantosh@kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, peter.ujfalusi@gmail.com, vkoul@kernel.org, dmaengine@vger.kernel.org, grygorii.strashko@ti.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linux-omap@vger.kernel.org, netdev@vger.kernel.org Cc: khilman@baylibre.com, glaroque@baylibre.com, nfrayer@baylibre.com Subject: [PATCH v4 4/4] net: ethernet: ti: davinci_mdio: Deferring probe when soc_device_match() returns NULL Date: Tue, 8 Nov 2022 19:11:44 +0100 Message-Id: <20221108181144.433087-5-nfrayer@baylibre.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221108181144.433087-1-nfrayer@baylibre.com> References: <20221108181144.433087-1-nfrayer@baylibre.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org When the k3 socinfo driver is built as a module, there is a possibility that it will probe after the davinci mdio driver. By deferring the mdio probe we allow the k3 socinfo to probe and register the soc_device_attribute structure needed by the mdio driver. Signed-off-by: Nicolas Frayer --- drivers/net/ethernet/ti/davinci_mdio.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c index 946b9753ccfb..095198b6b7be 100644 --- a/drivers/net/ethernet/ti/davinci_mdio.c +++ b/drivers/net/ethernet/ti/davinci_mdio.c @@ -533,6 +533,10 @@ static int davinci_mdio_probe(struct platform_device *pdev) const struct soc_device_attribute *soc_match_data; soc_match_data = soc_device_match(k3_mdio_socinfo); + + if (!soc_match_data) + return -EPROBE_DEFER; + if (soc_match_data && soc_match_data->data) { const struct k3_mdio_soc_data *socdata = soc_match_data->data;