From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751906AbdJRRD0 (ORCPT ); Wed, 18 Oct 2017 13:03:26 -0400 Received: from mail-pg0-f65.google.com ([74.125.83.65]:56772 "EHLO mail-pg0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751360AbdJRRCE (ORCPT ); Wed, 18 Oct 2017 13:02:04 -0400 X-Google-Smtp-Source: AOwi7QDgxfeLpUhe6Ip4QjiNYdEDZt+V8mj+LIJuJkOxRUnMkB1mn8QEUCsMuytdTQUt2STOIfTmgg== From: Andrey Smirnov To: linux-kernel@vger.kernel.org Cc: Andrey Smirnov , linux-serial@vger.kernel.org, Rob Herring , cphealy@gmail.com, Guenter Roeck , Lucas Stach , Nikita Yushchenko , Lee Jones , Greg Kroah-Hartman , Pavel Machek , Andy Shevchenko , Johan Hovold Subject: [PATCH v8 1/5] serdev: Make .remove in struct serdev_device_driver optional Date: Wed, 18 Oct 2017 10:01:32 -0700 Message-Id: <20171018170136.12347-2-andrew.smirnov@gmail.com> X-Mailer: git-send-email 2.13.5 In-Reply-To: <20171018170136.12347-1-andrew.smirnov@gmail.com> References: <20171018170136.12347-1-andrew.smirnov@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Using devres infrastructure it is possible to wirte a serdev driver that doesn't have any code that needs to be called as a part of .remove. Add code to make .remove optional. Cc: linux-kernel@vger.kernel.org Cc: linux-serial@vger.kernel.org Cc: Rob Herring Cc: cphealy@gmail.com Cc: Guenter Roeck Cc: Lucas Stach Cc: Nikita Yushchenko Cc: Lee Jones Cc: Greg Kroah-Hartman Cc: Pavel Machek Cc: Andy Shevchenko Cc: Johan Hovold Signed-off-by: Andrey Smirnov --- drivers/tty/serdev/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c index c68fb3a8ea1c..f500f6a2ca88 100644 --- a/drivers/tty/serdev/core.c +++ b/drivers/tty/serdev/core.c @@ -252,8 +252,8 @@ static int serdev_drv_probe(struct device *dev) static int serdev_drv_remove(struct device *dev) { const struct serdev_device_driver *sdrv = to_serdev_device_driver(dev->driver); - - sdrv->remove(to_serdev_device(dev)); + if (sdrv->remove) + sdrv->remove(to_serdev_device(dev)); return 0; } -- 2.13.5