From patchwork Thu Apr 9 14:12:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 207095 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 02F75C2BBFD for ; Thu, 9 Apr 2020 14:12:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C9D3D20857 for ; Thu, 9 Apr 2020 14:12:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726977AbgDIOMd (ORCPT ); Thu, 9 Apr 2020 10:12:33 -0400 Received: from mga04.intel.com ([192.55.52.120]:28946 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727041AbgDIOMd (ORCPT ); Thu, 9 Apr 2020 10:12:33 -0400 IronPort-SDR: WoWFCpKIAm6myQs6EELF9098BUhTtqFYjQ8JlRQi6CgDpqajf9Rgw72DYPOC1HsCQh+a0qThHp e2HAs4m9RRWw== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Apr 2020 07:12:34 -0700 IronPort-SDR: tV6NLuelwffw2tWvqe10zBiVWN3oFf0QiJH7Ig99mdn5AaOanlaHq+hXzVNWUK211e0g3lX5IU id8i4CWT4jZw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,363,1580803200"; d="scan'208";a="242659532" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga007.fm.intel.com with ESMTP; 09 Apr 2020 07:12:32 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id A942898E; Thu, 9 Apr 2020 17:12:29 +0300 (EEST) From: Andy Shevchenko To: Linus Walleij , Bartosz Golaszewski , linux-gpio@vger.kernel.org, Serge Semin Cc: Andy Shevchenko Subject: [PATCH v1 08/13] gpio: dwapb: Switch to more usual pattern of RMW in dwapb_gpio_set_debounce() Date: Thu, 9 Apr 2020 17:12:23 +0300 Message-Id: <20200409141228.49561-9-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200409141228.49561-1-andriy.shevchenko@linux.intel.com> References: <20200409141228.49561-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org More usual pattern is to prepare value and then write it in a single place. Switch code in dwapb_gpio_set_debounce() to it. Signed-off-by: Andy Shevchenko --- drivers/gpio/gpio-dwapb.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c index 916a42fea456..a15652ff9495 100644 --- a/drivers/gpio/gpio-dwapb.c +++ b/drivers/gpio/gpio-dwapb.c @@ -327,9 +327,10 @@ static int dwapb_gpio_set_debounce(struct gpio_chip *gc, val_deb = dwapb_read(gpio, GPIO_PORTA_DEBOUNCE); if (debounce) - dwapb_write(gpio, GPIO_PORTA_DEBOUNCE, val_deb | mask); + val_deb |= mask; else - dwapb_write(gpio, GPIO_PORTA_DEBOUNCE, val_deb & ~mask); + val_deb &= ~mask; + dwapb_write(gpio, GPIO_PORTA_DEBOUNCE, val_deb); spin_unlock_irqrestore(&gc->bgpio_lock, flags);