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[2a01:c22:76de:5100:1131:aa83:adfe:51dd]) by smtp.googlemail.com with ESMTPSA id a640c23a62f3a-a868f2200fesm5991766b.2.2024.08.21.13.13.05 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 21 Aug 2024 13:13:05 -0700 (PDT) Message-ID: <80c4a898-5867-4162-ac85-bdf7c7c68746@gmail.com> Date: Wed, 21 Aug 2024 22:13:04 +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 Content-Language: en-US To: Wolfram Sang Cc: Jean Delvare , "linux-i2c@vger.kernel.org" From: Heiner Kallweit Subject: [PATCH] i2c: Remove I2C_COMPAT config symbol and related code 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= This code was added with 2bb5095affdb ("i2c: Provide compatibility links for i2c adapters"). Commit message stated: Provide compatibility links for [...] the time being. We will remove them after a long transition period. 15 years should have been a long enough transition period. Signed-off-by: Heiner Kallweit Acked-by: Greg Kroah-Hartman --- drivers/i2c/Kconfig | 8 -------- drivers/i2c/i2c-core-base.c | 31 ------------------------------- 2 files changed, 39 deletions(-) diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig index 44710267d..c232054fd 100644 --- a/drivers/i2c/Kconfig +++ b/drivers/i2c/Kconfig @@ -40,14 +40,6 @@ config I2C_BOARDINFO bool default y -config I2C_COMPAT - bool "Enable compatibility bits for old user-space" - default y - help - Say Y here if you intend to run lm-sensors 3.1.1 or older, or any - other user-space package which expects i2c adapters to be class - devices. If you don't know, say Y. - config I2C_CHARDEV tristate "I2C device interface" help diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index 6cf57e321..79292bb33 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -1367,10 +1367,6 @@ struct i2c_adapter *i2c_verify_adapter(struct device *dev) } EXPORT_SYMBOL(i2c_verify_adapter); -#ifdef CONFIG_I2C_COMPAT -static struct class_compat *i2c_adapter_compat_class; -#endif - static void i2c_scan_static_board_info(struct i2c_adapter *adapter) { struct i2c_devinfo *devinfo; @@ -1547,14 +1543,6 @@ static int i2c_register_adapter(struct i2c_adapter *adap) dev_dbg(&adap->dev, "adapter [%s] registered\n", adap->name); -#ifdef CONFIG_I2C_COMPAT - res = class_compat_create_link(i2c_adapter_compat_class, &adap->dev, - adap->dev.parent); - if (res) - dev_warn(&adap->dev, - "Failed to create compatibility class link\n"); -#endif - /* create pre-declared device nodes */ of_i2c_register_devices(adap); i2c_acpi_install_space_handler(adap); @@ -1761,11 +1749,6 @@ void i2c_del_adapter(struct i2c_adapter *adap) device_for_each_child(&adap->dev, NULL, __unregister_client); device_for_each_child(&adap->dev, NULL, __unregister_dummy); -#ifdef CONFIG_I2C_COMPAT - class_compat_remove_link(i2c_adapter_compat_class, &adap->dev, - adap->dev.parent); -#endif - /* device name is gone after device_unregister */ dev_dbg(&adap->dev, "adapter [%s] unregistered\n", adap->name); @@ -2074,13 +2057,6 @@ static int __init i2c_init(void) i2c_debugfs_root = debugfs_create_dir("i2c", NULL); -#ifdef CONFIG_I2C_COMPAT - i2c_adapter_compat_class = class_compat_register("i2c-adapter"); - if (!i2c_adapter_compat_class) { - retval = -ENOMEM; - goto bus_err; - } -#endif retval = i2c_add_driver(&dummy_driver); if (retval) goto class_err; @@ -2093,10 +2069,6 @@ static int __init i2c_init(void) return 0; class_err: -#ifdef CONFIG_I2C_COMPAT - class_compat_unregister(i2c_adapter_compat_class); -bus_err: -#endif is_registered = false; bus_unregister(&i2c_bus_type); return retval; @@ -2109,9 +2081,6 @@ static void __exit i2c_exit(void) if (IS_ENABLED(CONFIG_OF_DYNAMIC)) WARN_ON(of_reconfig_notifier_unregister(&i2c_of_notifier)); i2c_del_driver(&dummy_driver); -#ifdef CONFIG_I2C_COMPAT - class_compat_unregister(i2c_adapter_compat_class); -#endif debugfs_remove_recursive(i2c_debugfs_root); bus_unregister(&i2c_bus_type); tracepoint_synchronize_unregister();