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Now that the driver core allows for struct class to be in read-only memory, remove the class field of the ports_driver_data structure and create the port_class static class structure declared at build time which places it into read-only memory, instead of having it to be dynamically allocated at load time. Cc: Amit Shah <amit@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: virtualization@lists.linux-foundation.org Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com> Link: https://lore.kernel.org/r/20230620143751.578239-16-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>