From nobody Thu Oct 2 21:50:25 2025 Received: from mail-wm1-f43.google.com (mail-wm1-f43.google.com [209.85.128.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8E7ED2EC0AB for ; Thu, 11 Sep 2025 09:43:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.43 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757583817; cv=none; b=rnjFOj60h7iSA7GHOuigCgqBOUpbdyPTGbNi6NdSV/bjvd5AWdcXF/g1r6QLNXCm4r7lj5FITTSoFg/txrTWQFwNIkZg3wIlWN/dQXOA6d6kNh951dAAoN807p69bzQiIx+9+En0VqC5r5mWSni2XZ5iUaG4FTXrFCh8KTGoKaQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757583817; c=relaxed/simple; bh=9uLbL4CfehXgK0FgR1jl+4z97FyCLswBjlNfgLA3G44=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=jnJGwPgfghRqHF9OQe1vk3/SPYIk5HECzW8exY4pBh8Rna5b7XoE01h50e7eaX/3LqhkEoULb9VfqhoqZkHQqpRZtl2+IQtQVtrnpQwYIjN7MCYbsvbcF2DvT8KMeZJZBJ1OCqtjszESD/vHQaikH2/hTCMwziEOPiG75OvbEnE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=tdTOju7G; arc=none smtp.client-ip=209.85.128.43 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="tdTOju7G" Received: by mail-wm1-f43.google.com with SMTP id 5b1f17b1804b1-45a1b0ce15fso933485e9.3 for ; Thu, 11 Sep 2025 02:43:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1757583814; x=1758188614; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=cqRItD2bt3js5TTmQrynwO8hQqUf0mH+3ap8vOPgmc0=; b=tdTOju7GIecgXuPKmodd/ZazcvvbehnWM6hZV88ooWbZTHNJwEBUKy6VM9BzhG9MEL k+IFdrL7lwci9Ks/WmDJc0zApCdQl2T0gog+sM+9eOdGlkcTRu4ekz+W3u+1A8W/MVdw XWDdXzJG4iXms+30531xxllCg1uXCzeyCu5HE6yo4SVnjc0bPw4ZGFsHq3Ti3ejqoCd2 OsjjPCEEWFZvEPAfOiQT3oY411L3nq4ut+YVyUhX5bZ4cuPwT50mzLR6zzVpnFZrEjfO PlV3+jRwAw42fDaU+0j0JI7saHI6fwaOIzcaHWIGyl3fJpLJHJpgl5TsseFZWDNLgZVf 4lNw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1757583814; x=1758188614; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=cqRItD2bt3js5TTmQrynwO8hQqUf0mH+3ap8vOPgmc0=; b=A3d9JGG8TJzyEDLbBkC8Bdf09lSuHp56sF7qeITJ2Smtg6nHAkzY8dH/I39zh05omM vWNl8+qklkOVcLpTN9vTuopZtei5YAhNL+/8FhW/D6xIdMcmtP8fBmrbRppaFYa+LWlH WMYw6uNMk4F7jjgwNb6S5JeKZ4u5jKJ88+psGM0iALFdD5Gk2hqnzq/IY3Xzj8R6TWM/ IDvSOG7/CPEsSnSMvICurF8hEdOcSVtfPvwaqpsvh3S0yDnYFNVJbkec5qG8BF6mYl6G 7Sa1FZ1+Jj4csQSKS/FP0kkOj70FoHM8QLlg8OpXTX2h1MxUcBsv/OMkf9S+J+WDDID2 142w== X-Gm-Message-State: AOJu0Yx6lsWhfNpgiITUfqcxJ0WwaeQwTTBqVVXkkRckNJb8wJA04eC2 iM2Hitl4SeG84ARZQfB0Jpb3wh9hQtIMs1W3BPZ7SPaWSMKuWHsF7OR6r7or4XzRun4= X-Gm-Gg: ASbGncsJYZCaPVelaHBt4yxXD6FjtUig0stL0ywTrKno9ky0K+6bhZj/RQ35urYos8m s7rPIR42Ch5ulNTRAA/3gqWQWa/F6hx7qPw/3DNLIzoCsdcrKmd9ETRAmNHeCmmuoS4OxLRI9dY QS9iD/GxO8NqMzWlBu6D8Ui9cq17NpL5U5HV7A1MtDQhAg3rDKlMbx2dfZj8hywT2s1dj7mUAww qkLmj9WAXkifM2AJ6ekxh8QSjPg9zISYOGg3a9KHRy0DdDHqxwg90Mtzf5nSsPAgJfVlJ4svxJ9 64MXAv26MLyZt7+64GLWat6J1GkGZ/xgX8R0saai8Ax59pCMH+ofS4+js0DE0nhDUbhZkEzamSX LP20bqD7iLVwoUYVIFN2Y9Vaeg77LpZD/W4fUJxXfdjZGJky3/w== X-Google-Smtp-Source: AGHT+IF/UhrqWprkaN640qed/DfCGwg7Vw72qdq8PFaV5rt/q6nx97cRxngQECQXshfiBlN0JgRgdQ== X-Received: by 2002:a05:600c:1993:b0:45d:da49:c475 with SMTP id 5b1f17b1804b1-45ddde0a13cmr81741435e9.0.1757583813832; Thu, 11 Sep 2025 02:43:33 -0700 (PDT) Received: from [127.0.1.1] ([178.197.219.123]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3e76078fe3bsm1759218f8f.28.2025.09.11.02.43.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Sep 2025 02:43:33 -0700 (PDT) From: Krzysztof Kozlowski Date: Thu, 11 Sep 2025 11:43:17 +0200 Subject: [PATCH v2 06/13] memory: tegra30-emc: Simplify and handle deferred probe with dev_err_probe() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250911-memory-tegra-cleanup-v2-6-d08022ff2f85@linaro.org> References: <20250911-memory-tegra-cleanup-v2-0-d08022ff2f85@linaro.org> In-Reply-To: <20250911-memory-tegra-cleanup-v2-0-d08022ff2f85@linaro.org> To: Krzysztof Kozlowski , Thierry Reding , Jonathan Hunter Cc: linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, Aaron Kling , Krzysztof Kozlowski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2183; i=krzysztof.kozlowski@linaro.org; h=from:subject:message-id; bh=9uLbL4CfehXgK0FgR1jl+4z97FyCLswBjlNfgLA3G44=; b=owEBbQKS/ZANAwAKAcE3ZuaGi4PXAcsmYgBowpm24oqvTHVAOF9Rq8i0mjZwTtnJuKFFxYt2j opJqGjF5B+JAjMEAAEKAB0WIQTd0mIoPREbIztuuKjBN2bmhouD1wUCaMKZtgAKCRDBN2bmhouD 1+woEACLJwCCvryDUj6nedFa7ciRAt6z6uMVkga16E5DH6vokdSkj3K86WCISjS03oAvZp/5a9f Ap0GaKgfndRG95e2VKczvWjGEO8dZdvYtOsammc3FveGGjIGsYfnEKYbM3TNRhfmERsUOvKmuWU VKX6OhUzm7xLG6jI8XaMAsd26YkO8O0UN3I1N7BN2aXAww5G4NZM1f2FO4sh84jwbqdS87++/Ps AxlpDqfcCurrriA3E4lTXS5vvZALjejUkCrOkO0nJQbTeqoF/PPtTg2gP5yeigoaFIwh9vP0A/Q /2IFKwJj8R9VDU3Ge0WF4dG/oxk5gtDqQctP6Qlem6cMN8OLUAS5+t7QwqM4gDZGaE3eZrapRYq HkWWuxhRlZH9lkla2J4xXTPY75Q6kd16mVP4PGwPBTILzlBsr6VjSjAIhHgPkjlRzcl/SyTqELd rzLL9fwRDMTGr/PsQWfmgzvm2YjVcZGJG4c+0a5rBecKAWQ54IZSeDRvKhfNUwwAEuT3eJ0gqnS igyDVhYPTaAlxU3hwIK7YcLNIXBmz8Kk/s7+ijo5xI7S3NdkAFKZB8bGn1eznbQPfjkfNH8KjdX YfF2TpqFp8yDhFvyPqPU0Tx/3pQmkkgCwnMBxlrFa3afHU4gJkUf9gaDQSdHckwr6uQPvifODBz x4JgGde4f959Wng== X-Developer-Key: i=krzysztof.kozlowski@linaro.org; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Certain calls, like clk_get, can cause probe deferral and driver should handle it. Use dev_err_probe() to fix that and also change other non-deferred errors cases to make the code simpler. Signed-off-by: Krzysztof Kozlowski --- drivers/memory/tegra/tegra30-emc.c | 22 ++++++++-------------- 1 file changed, 8 insertions(+), 14 deletions(-) diff --git a/drivers/memory/tegra/tegra30-emc.c b/drivers/memory/tegra/tegr= a30-emc.c index c96aa63a5aa085a409ae7ec901d2a210748f5bcb..cca386af423e9647266878ce6cd= 1bcec09c8eba4 100644 --- a/drivers/memory/tegra/tegra30-emc.c +++ b/drivers/memory/tegra/tegra30-emc.c @@ -1563,9 +1563,8 @@ static int tegra_emc_interconnect_init(struct tegra_e= mc *emc) =20 remove_nodes: icc_nodes_remove(&emc->provider); - dev_err(emc->dev, "failed to initialize ICC: %d\n", err); =20 - return err; + return dev_err_probe(emc->dev, err, "failed to initialize ICC\n"); } =20 static void devm_tegra_emc_unset_callback(void *data) @@ -1592,16 +1591,13 @@ static int tegra_emc_init_clk(struct tegra_emc *emc) return err; =20 emc->clk =3D devm_clk_get(emc->dev, NULL); - if (IS_ERR(emc->clk)) { - dev_err(emc->dev, "failed to get EMC clock: %pe\n", emc->clk); - return PTR_ERR(emc->clk); - } + if (IS_ERR(emc->clk)) + return dev_err_probe(emc->dev, PTR_ERR(emc->clk), + "failed to get EMC clock\n"); =20 err =3D clk_notifier_register(emc->clk, &emc->clk_nb); - if (err) { - dev_err(emc->dev, "failed to register clk notifier: %d\n", err); - return err; - } + if (err) + return dev_err_probe(emc->dev, err, "failed to register clk notifier\n"); =20 err =3D devm_add_action_or_reset(emc->dev, devm_tegra_emc_unreg_clk_notifier, emc); @@ -1654,10 +1650,8 @@ static int tegra_emc_probe(struct platform_device *p= dev) =20 err =3D devm_request_irq(&pdev->dev, emc->irq, tegra_emc_isr, 0, dev_name(&pdev->dev), emc); - if (err) { - dev_err(&pdev->dev, "failed to request irq: %d\n", err); - return err; - } + if (err) + return dev_err_probe(&pdev->dev, err, "failed to request irq\n"); =20 err =3D tegra_emc_init_clk(emc); if (err) --=20 2.48.1