From patchwork Thu Aug 22 19:47:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiner Kallweit X-Patchwork-Id: 821868 Received: from mail-ej1-f47.google.com (mail-ej1-f47.google.com [209.85.218.47]) (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 DA7BF7CF16; Thu, 22 Aug 2024 19:47:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.47 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724356041; cv=none; b=hYTR6UEIb3G45Ca0YEIWcLmrsVmaza9VH5PDNhxQghzEDjTj4xbd0F8tiplMZUTZHVhqeY1AjjfI/T8nykvJQA8Iqkd0UMsWrRP3V8e1QYUrMFlhjj0VADV4vAuNkVxgcF3vJOBWDEpd0tgZOSu7jJtOPMADft+cl6q14rsWuhk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724356041; c=relaxed/simple; bh=95M2pYBv8kJ4XtKvQd2P3AMbUptJ33Vh+TVHfgXrg68=; h=Message-ID:Date:MIME-Version:Subject:From:To:Cc:References: In-Reply-To:Content-Type; b=HXA0BpqgeaNQeaVDlxrCqPXJBSAoDAShB+j8RZwO+ubxYgPWOhddBvRUs6a15Oz+UJ3ZpoI5lPSNvte/xVSFZw9PKLfvIyiclYectLtDfytz39VSBHpFVy0shw93hLxeJmygu26lhE1axf9FhzjwEAnNhQk+WdYtWsNSycbCGi8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=XSvgCjUY; arc=none smtp.client-ip=209.85.218.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="XSvgCjUY" Received: by mail-ej1-f47.google.com with SMTP id a640c23a62f3a-a86933829dcso135829166b.3; Thu, 22 Aug 2024 12:47:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1724356038; x=1724960838; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:autocrypt:content-language :references:cc:to:from:subject:user-agent:mime-version:date :message-id:from:to:cc:subject:date:message-id:reply-to; bh=OS5hdBLMjeepQt5jihnSH9xs/IrBga29YUL1v7SAGNc=; b=XSvgCjUYJz4cthHKz7doKSZF8ieDbqjnzWhzWXFuYM9iLs9RmIAvIqkDtwbv7lF7CD 7jd3GmDd7CALnlDo8HqaUXnATyuIp7yBQEEYIFduAB1IBPV7st6TWWYND8K8dIKHZ6FQ k86UlnTJ0B86EkrWiMKyNXnUkedAeNcGytYgBZwD4fWgRUMjrLIwZr6HKk7+JgxiMsdd fu9foKPmxvAPqJyezNIsTJktjTD4GQBwEYUavpe41LdnhVZQAPkPVSPr73Zgetif6Uqf NlPSdHfHyaop2pRQ7VvX4TGN5c+NB2Feq6uUQJBL7nErEuGfWMEC2UyMFIFnx82kXi9y 5HrQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724356038; x=1724960838; h=content-transfer-encoding:in-reply-to:autocrypt:content-language :references:cc:to:from:subject:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=OS5hdBLMjeepQt5jihnSH9xs/IrBga29YUL1v7SAGNc=; b=vUNh3aDzdlpkKY2/+hwEiltrXBUQ45PnfsJi9fdIepVIz5iPF6c2iPQtHO/4tXvH/K o3KoLqs7+2NIxpeqANWvsYfpra1vmsXhvMHSD/FJ7bCL/5udgi8EkFCD+DxOftlxnpNF G9zGsqLvC6bzda5ldwxndX7XiWSNqm33ab8FS164Lkiz+uQhgAkJazhhvagrEAHAnJbJ b9CZYYqzQ6PXEN400YCc404/nQzOpOBYp94K0GGKrl3giviltU9FtvqwECAgzFBJacqP r6yZJOAnWTdIenhMLxSS2M06mgmM9et9uX9xX9gd8P/jPHWt+uG6K4KZaQLWV1GJf5jd Drug== X-Forwarded-Encrypted: i=1; AJvYcCXtpz2mOIVcbZppVFVs8NHqvRzFHF8qnuWwXmOyzc7RX6ZDimqe62Hko4i5O7JPSSkkM6cky3AhaHLfwQ==@vger.kernel.org X-Gm-Message-State: AOJu0Yz77XyS8ebLggmGPQ70hQ6PiU+laQInluH/RlHiSp0qLUqdweLD cZCG4AkY5CLORhqZsEy/jggb2lzy3eyw7KLIvB/x7Ca0f36RYGaTqUUFrJGP X-Google-Smtp-Source: AGHT+IFkOFckROnQ8nohuFVtnc9HBTBh5gL1t6YK4Yzlk/RQpMT85RjX6YbvzaHX3RY2qObbJi1+Qw== X-Received: by 2002:a17:907:1b1a:b0:a80:f6a0:9c3c with SMTP id a640c23a62f3a-a866ee6448bmr501012066b.0.1724356037805; Thu, 22 Aug 2024 12:47:17 -0700 (PDT) Received: from ?IPV6:2a02:3100:9dc4:2200:e9ea:53e6:39db:eab3? (dynamic-2a02-3100-9dc4-2200-e9ea-53e6-39db-eab3.310.pool.telefonica.de. [2a02:3100:9dc4:2200:e9ea:53e6:39db:eab3]) by smtp.googlemail.com with ESMTPSA id a640c23a62f3a-a868f4f41edsm156428266b.199.2024.08.22.12.47.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 22 Aug 2024 12:47:17 -0700 (PDT) Message-ID: <55cab333-c9ca-4edd-a002-1e2b650a9f5a@gmail.com> Date: Thu, 22 Aug 2024 21:47:18 +0200 Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH v2 1/4] ALSA: ppc: Remove i2c client removal hack From: Heiner Kallweit To: Wolfram Sang , Jaroslav Kysela , Takashi Iwai Cc: "linux-i2c@vger.kernel.org" , linux-sound@vger.kernel.org References: <3982b2a6-975e-40d2-bf02-2155e5c36c14@gmail.com> Content-Language: en-US Autocrypt: addr=hkallweit1@gmail.com; keydata= xsFNBF/0ZFUBEAC0eZyktSE7ZNO1SFXL6cQ4i4g6Ah3mOUIXSB4pCY5kQ6OLKHh0FlOD5/5/ sY7IoIouzOjyFdFPnz4Bl3927ClT567hUJJ+SNaFEiJ9vadI6vZm2gcY4ExdIevYHWe1msJF MVE4yNwdS+UsPeCF/6CQQTzHc+n7DomE7fjJD5J1hOJjqz2XWe71fTvYXzxCFLwXXbBiqDC9 dNqOe5odPsa4TsWZ09T33g5n2nzTJs4Zw8fCy8rLqix/raVsqr8fw5qM66MVtdmEljFaJ9N8 /W56qGCp+H8Igk/F7CjlbWXiOlKHA25mPTmbVp7VlFsvsmMokr/imQr+0nXtmvYVaKEUwY2g 86IU6RAOuA8E0J5bD/BeyZdMyVEtX1kT404UJZekFytJZrDZetwxM/cAH+1fMx4z751WJmxQ J7mIXSPuDfeJhRDt9sGM6aRVfXbZt+wBogxyXepmnlv9K4A13z9DVLdKLrYUiu9/5QEl6fgI kPaXlAZmJsQfoKbmPqCHVRYj1lpQtDM/2/BO6gHASflWUHzwmBVZbS/XRs64uJO8CB3+V3fa cIivllReueGCMsHh6/8wgPAyopXOWOxbLsZ291fmZqIR0L5Y6b2HvdFN1Xhc+YrQ8TKK+Z4R mJRDh0wNQ8Gm89g92/YkHji4jIWlp2fwzCcx5+lZCQ1XdqAiHQARAQABzSZIZWluZXIgS2Fs bHdlaXQgPGhrYWxsd2VpdDFAZ21haWwuY29tPsLBjgQTAQgAOBYhBGxfqY/yOyXjyjJehXLe ig9U8DoMBQJf9GRVAhsDBQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAAAoJEHLeig9U8DoMSycQ AJbfg8HZEK0ljV4M8nvdaiNixWAufrcZ+SD8zhbxl8GispK4F3Yo+20Y3UoZ7FcIidJWUUJL axAOkpI/70YNhlqAPMsuudlAieeYZKjIv1WV5ucNZ3VJ7dC+dlVqQdAr1iD869FZXvy91KhJ wYulyCf+s4T9YgmLC6jLMBZghKIf1uhSd0NzjyCqYWbk2ZxByZHgunEShOhHPHswu3Am0ftt ePaYIHgZs+Vzwfjs8I7EuW/5/f5G9w1vibXxtGY/GXwgGGHRDjFM7RSprGOv4F5eMGh+NFUJ TU9N96PQYMwXVxnQfRXl8O6ffSVmFx4H9rovxWPKobLmqQL0WKLLVvA/aOHCcMKgfyKRcLah 57vGC50Ga8oT2K1g0AhKGkyJo7lGXkMu5yEs0m9O+btqAB261/E3DRxfI1P/tvDZpLJKtq35 dXsj6sjvhgX7VxXhY1wE54uqLLHY3UZQlmH3QF5t80MS7/KhxB1pO1Cpcmkt9hgyzH8+5org +9wWxGUtJWNP7CppY+qvv3SZtKJMKsxqk5coBGwNkMms56z4qfJm2PUtJQGjA65XWdzQACib 2iaDQoBqGZfXRdPT0tC1H5kUJuOX4ll1hI/HBMEFCcO8++Bl2wcrUsAxLzGvhINVJX2DAQaF aNetToazkCnzubKfBOyiTqFJ0b63c5dqziAgzsFNBF/0ZFUBEADF8UEZmKDl1w/UxvjeyAeX kghYkY3bkK6gcIYXdLRfJw12GbvMioSguvVzASVHG8h7NbNjk1yur6AONfbUpXKSNZ0skV8V fG+ppbaY+zQofsSMoj5gP0amwbwvPzVqZCYJai81VobefTX2MZM2Mg/ThBVtGyzV3NeCpnBa 8AX3s9rrX2XUoCibYotbbxx9afZYUFyflOc7kEpc9uJXIdaxS2Z6MnYLHsyVjiU6tzKCiVOU KJevqvzPXJmy0xaOVf7mhFSNQyJTrZpLa+tvB1DQRS08CqYtIMxRrVtC0t0LFeQGly6bOngr ircurWJiJKbSXVstLHgWYiq3/GmCSx/82ObeLO3PftklpRj8d+kFbrvrqBgjWtMH4WtK5uN5 1WJ71hWJfNchKRlaJ3GWy8KolCAoGsQMovn/ZEXxrGs1ndafu47yXOpuDAozoHTBGvuSXSZo ythk/0EAuz5IkwkhYBT1MGIAvNSn9ivE5aRnBazugy0rTRkVggHvt3/7flFHlGVGpBHxFUwb /a4UjJBPtIwa4tWR8B1Ma36S8Jk456k2n1id7M0LQ+eqstmp6Y+UB+pt9NX6t0Slw1NCdYTW gJezWTVKF7pmTdXszXGxlc9kTrVUz04PqPjnYbv5UWuDd2eyzGjrrFOsJEi8OK2d2j4FfF++ AzOMdW09JVqejQARAQABwsF2BBgBCAAgFiEEbF+pj/I7JePKMl6Fct6KD1TwOgwFAl/0ZFUC GwwACgkQct6KD1TwOgxUfg//eAoYc0Vm4NrxymfcY30UjHVD0LgSvU8kUmXxil3qhFPS7KA+ y7tgcKLHOkZkXMX5MLFcS9+SmrAjSBBV8omKoHNo+kfFx/dUAtz0lot8wNGmWb+NcHeKM1eb nwUMOEa1uDdfZeKef/U/2uHBceY7Gc6zPZPWgXghEyQMTH2UhLgeam8yglyO+A6RXCh+s6ak Wje7Vo1wGK4eYxp6pwMPJXLMsI0ii/2k3YPEJPv+yJf90MbYyQSbkTwZhrsokjQEaIfjrIk3 rQRjTve/J62WIO28IbY/mENuGgWehRlTAbhC4BLTZ5uYS0YMQCR7v9UGMWdNWXFyrOB6PjSu Trn9MsPoUc8qI72mVpxEXQDLlrd2ijEWm7Nrf52YMD7hL6rXXuis7R6zY8WnnBhW0uCfhajx q+KuARXC0sDLztcjaS3ayXonpoCPZep2Bd5xqE4Ln8/COCslP7E92W1uf1EcdXXIrx1acg21 H/0Z53okMykVs3a8tECPHIxnre2UxKdTbCEkjkR4V6JyplTS47oWMw3zyI7zkaadfzVFBxk2 lo/Tny+FX1Azea3Ce7oOnRUEZtWSsUidtIjmL8YUQFZYm+JUIgfRmSpMFq8JP4VH43GXpB/S OCrl+/xujzvoUBFV/cHKjEQYBxo+MaiQa1U54ykM2W4DnHb1UiEf5xDkFd4= In-Reply-To: <3982b2a6-975e-40d2-bf02-2155e5c36c14@gmail.com> The i2c_driver.clients list is internal to I2C core and is going to be removed. No driver should access it. Unregister the i2c client explicitly before deleting the i2c driver. Signed-off-by: Heiner Kallweit Reviewed-by: Takashi Iwai --- sound/ppc/keywest.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/sound/ppc/keywest.c b/sound/ppc/keywest.c index 3d3513d9d..4ce81ac7f 100644 --- a/sound/ppc/keywest.c +++ b/sound/ppc/keywest.c @@ -61,12 +61,6 @@ static int keywest_attach_adapter(struct i2c_adapter *adapter) return -ENODEV; } - /* - * Let i2c-core delete that device on driver removal. - * This is safe because i2c-core holds the core_lock mutex for us. - */ - list_add_tail(&keywest_ctx->client->detected, - &to_i2c_driver(keywest_ctx->client->dev.driver)->clients); return 0; } @@ -99,6 +93,7 @@ static struct i2c_driver keywest_driver = { void snd_pmac_keywest_cleanup(struct pmac_keywest *i2c) { if (keywest_ctx && keywest_ctx == i2c) { + i2c_unregister_device(keywest_ctx->client); i2c_del_driver(&keywest_driver); keywest_ctx = NULL; }