From patchwork Fri Mar 29 03:06:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: William Breathitt Gray X-Patchwork-Id: 10876271 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 760931390 for ; Fri, 29 Mar 2019 03:05:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 62EB128A3B for ; Fri, 29 Mar 2019 03:05:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 56FAD290A5; Fri, 29 Mar 2019 03:05:54 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D874228A3B for ; Fri, 29 Mar 2019 03:05:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728673AbfC2DFx (ORCPT ); Thu, 28 Mar 2019 23:05:53 -0400 Received: from mail-pl1-f196.google.com ([209.85.214.196]:46599 "EHLO mail-pl1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726879AbfC2DFx (ORCPT ); Thu, 28 Mar 2019 23:05:53 -0400 Received: by mail-pl1-f196.google.com with SMTP id y6so294065pll.13; Thu, 28 Mar 2019 20:05:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=kZSRiSxJh+YYsNmeIydN7WXteuBFfpjUBowwMs4kNhU=; b=KWnGgzBWLTCozh/KEfa65tk/St87oTo2wJuOL8E3BE/4C/OrqxarUzYbKBOoU92/gT YfusM2bZaX6obDHs5GmmuXS4odkAhdmnuBrUz/beSE9jdxS1Ctbvk+nvHdfMm3ox3iT+ gKgoQcVto1yN86P3yQe0QbCdDEx4A+QuQ8l4WRVQoL8xoVfv1PdmzsGgooQ4QbTK/4fc RPHibIoV+U9gApNGjB8Grlnx67InMK/tSLNJJSepysfjqJGcm33oiVjwyze5UHeysmpQ 6vCAE+hUNF+OTmfHN7g4e/zQOM5phBt6mOyH2u4+I8sF5pOEOtA1kk2AArCruucLQpcf N7/g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=kZSRiSxJh+YYsNmeIydN7WXteuBFfpjUBowwMs4kNhU=; b=U5OzNauYY/OHxnqEbGUFM6+jlgNFI3a5NL+4TLQoTKy4LOO92HDowj3tYkbX3VxXY9 bPZcKJx8lbkTMtVR1J1CwyvhWWhEEQctRDO76TAC0IMhjyms7N4TqPqlxI5aStR98nlH n9PLMpePgVBHad8FOyn5sMfy9T7MS3Vir5/9PKi5jETHqD6azUOYKaKRiWNeIMJaoMlr r+MZeyKTq8ARWJ8TcGMY2rp7ohjh8l9k6DmoXMWh4eh0bE2WWIXzgtgs2eXL2rQ31q1F odcRJ+Nk0vvbdy11YT7gDAuQcTC+tpaolfU0C/i7+Vh0YTAHAemNcKz+Ci/9OlUwAZ9x dPKQ== X-Gm-Message-State: APjAAAWljXkTUt3F+Nx9KnAoMpJfxDww3WxRCROgyv7XvaHdgGMuBsOB RlFwL9R9zqd5JzfP/JK5ivo= X-Google-Smtp-Source: APXvYqzjdiuEQzvKUGIzvn81X4Wqs4VOKQtF5LYTH98WcXqThbgwMjoEZHdlwlbGWk40c4f8F8ThSg== X-Received: by 2002:a17:902:b418:: with SMTP id x24mr39789647plr.323.1553828752410; Thu, 28 Mar 2019 20:05:52 -0700 (PDT) Received: from localhost.localdomain ([2001:268:c0a5:ba2:c70:4af9:86e2:2]) by smtp.gmail.com with ESMTPSA id 4sm697551pfo.110.2019.03.28.20.05.47 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 28 Mar 2019 20:05:51 -0700 (PDT) From: William Breathitt Gray To: linus.walleij@linaro.org, bgolaszewski@baylibre.com Cc: akpm@linux-foundation.org, linux-gpio@vger.kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, andriy.shevchenko@linux.intel.com, linux@rasmusvillemoes.dk, yamada.masahiro@socionext.com, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, geert@linux-m68k.org, preid@electromag.com.au, lukas@wunner.de, William Breathitt Gray Subject: [PATCH v14 09/11] gpio: uniphier: Utilize for_each_set_clump8 macro Date: Fri, 29 Mar 2019 12:06:49 +0900 Message-Id: <9758aea685bbc9b6b148977880b971920e7b97b6.1553828158.git.vilhelm.gray@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Replace verbose implementation in set_multiple callback with for_each_set_clump8 macro to simplify code and improve clarity. An improvement in this case is that banks that are not masked will now be skipped. Cc: Masahiro Yamada Signed-off-by: William Breathitt Gray --- drivers/gpio/gpio-uniphier.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/drivers/gpio/gpio-uniphier.c b/drivers/gpio/gpio-uniphier.c index 0f662b297a95..d79c34e9b23b 100644 --- a/drivers/gpio/gpio-uniphier.c +++ b/drivers/gpio/gpio-uniphier.c @@ -15,9 +15,6 @@ #include #include -#define UNIPHIER_GPIO_BANK_MASK \ - GENMASK((UNIPHIER_GPIO_LINES_PER_BANK) - 1, 0) - #define UNIPHIER_GPIO_IRQ_MAX_NUM 24 #define UNIPHIER_GPIO_PORT_DATA 0x0 /* data */ @@ -147,15 +144,14 @@ static void uniphier_gpio_set(struct gpio_chip *chip, static void uniphier_gpio_set_multiple(struct gpio_chip *chip, unsigned long *mask, unsigned long *bits) { - unsigned int bank, shift, bank_mask, bank_bits; - int i; + unsigned long i; + unsigned long bank_mask; + unsigned long bank; + unsigned long bank_bits; - for (i = 0; i < chip->ngpio; i += UNIPHIER_GPIO_LINES_PER_BANK) { + for_each_set_clump8(i, bank_mask, mask, chip->ngpio) { bank = i / UNIPHIER_GPIO_LINES_PER_BANK; - shift = i % BITS_PER_LONG; - bank_mask = (mask[BIT_WORD(i)] >> shift) & - UNIPHIER_GPIO_BANK_MASK; - bank_bits = bits[BIT_WORD(i)] >> shift; + bank_bits = bitmap_get_value8(bits, i); uniphier_gpio_bank_write(chip, bank, UNIPHIER_GPIO_PORT_DATA, bank_mask, bank_bits);