From patchwork Mon Mar 25 06:06:09 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: 10867947 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 927921390 for ; Mon, 25 Mar 2019 06:05:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7A94B29195 for ; Mon, 25 Mar 2019 06:05:23 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6EA2D29199; Mon, 25 Mar 2019 06:05:23 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 01B1329195 for ; Mon, 25 Mar 2019 06:05:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=gZ3NYMrQ1q/us7gBx3qTXKTVVtPVjOQLX1dn8tMYBNg=; b=oi7oKz5G0tDfnB gibLnCyAs1jBlycuXwbwqBMc6nz5RMsPn4KEw5mNgLq9n7j+K06YuJFzdVm20pokTsDXSr1nXyTm6 2iamgBuqv62CpLDPs3fWMLo1CP1GlllwsBlO6ZAPgqcGqIlgpARfNmQqPO/ptPxrvv1x2/8oy0nR3 kANaCkMdm1JJzVhFR6shdYknDIP9IjPJCMLcz8bPc7IpuVJpMATNg1XrXAu2hOAxFKsrCGj3qOwNf h6xIK0UxLnUNuMfpHhIjcEalp7fDFY1bJKr0Rffe4dKWjvYGA94opsD8rXCwbjHEdkMIVVp+LbMD/ JAW4f0No0O0O5IpxPByA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1h8IjZ-0006TO-Kw; Mon, 25 Mar 2019 06:05:21 +0000 Received: from mail-pf1-x441.google.com ([2607:f8b0:4864:20::441]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1h8IjR-00069h-HJ for linux-arm-kernel@lists.infradead.org; Mon, 25 Mar 2019 06:05:19 +0000 Received: by mail-pf1-x441.google.com with SMTP id 188so156327pfd.8 for ; Sun, 24 Mar 2019 23:05:13 -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=UifkzEkFRqXu3yixaaw6yvTChu7M21y6ZQxvlg1zFMs=; b=cUZivDN2YWWNLkTIYSS6FpIHofsi9nxbjKjplH5GCWNdwnLqzZLYIHVzd0DMyNb/0F JfvRjZ39ub+vB+JlNnJEulAXTcC7kJCoZXroxbm64jTDrNDOr/ZgrG98g6gkXJeJ7dkF n8ZCBvTgQUvXlBy7f2DZvi3loBxuDWodB8DoWyK2LWYGThL5u6qi8s1mFYVG75RKASyQ +VmBfU5mpq0ZYbg76cUhEA3lB5K2OxKme606WKXH2PdIjwEOFJtgY1Pe07L3eicxIHYT OpZqL7ktiWVKWd21K2HYs/5QGn0TPruxFiaY2p2PiFcALREQNBY91tY39orS71lN5eku w27Q== 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=UifkzEkFRqXu3yixaaw6yvTChu7M21y6ZQxvlg1zFMs=; b=ACsWWVc0kHPyJTdxX78k/x2kQI8pDVSG8/foNERxHLh2/70PK/CyPRhLFq5/46FuB9 /AJuHY2/cgtcggieiFayI0x24vWNpxI21PbOMi0Yqmvg89bf+DgdK7qSnT5SEB20Z71q F+ul/aqk/aEDCRNkuh3b5bc5zji92Ky38RPU4koY4mOlejnsZkBNNe6TlS4xRPX0VVVI E24pUn5Dc34e15Pfjo/De99UFFnCyZnHIvcE6W5MUMEb8Cg5AdAznEi2EL0iedIyJUlD P3TlgZCUrHRCxeXZFIv9nNA+IhVVAOsMkGxL5fCHB2hW9LzGnIa3HO8QwryET+Y/YaAG 9AVg== X-Gm-Message-State: APjAAAXu6BX19lr+KxWyqcJMw/pYCbbaXxAS5E1HGAWHKxBXebrh7cEX 4QxkvLk317EY1HzriMRo/jo= X-Google-Smtp-Source: APXvYqwW/zp/Q8To3dpTdoxUCtqXaOHNaAgv7+rJZJtMlrJQoCPCu3MGz2qZUjdACT3vJv1BfuwrqA== X-Received: by 2002:a17:902:121:: with SMTP id 30mr23719883plb.315.1553493913056; Sun, 24 Mar 2019 23:05:13 -0700 (PDT) Received: from localhost.localdomain ([2001:268:c0a5:e068:c70:4af9:86e2:2]) by smtp.gmail.com with ESMTPSA id w123sm21668681pfw.72.2019.03.24.23.05.08 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 24 Mar 2019 23:05:12 -0700 (PDT) From: William Breathitt Gray To: linus.walleij@linaro.org, bgolaszewski@baylibre.com Subject: [PATCH v11 09/11] gpio: uniphier: Utilize for_each_set_clump8 macro Date: Mon, 25 Mar 2019 15:06:09 +0900 Message-Id: <82b21a3c4f84bad98487c450a8b3072ecf1c44c3.1553492741.git.vilhelm.gray@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190324_230514_137326_4D3E9137 X-CRM114-Status: GOOD ( 11.55 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, preid@electromag.com.au, yamada.masahiro@socionext.com, linux-pm@vger.kernel.org, linux@rasmusvillemoes.dk, linux-kernel@vger.kernel.org, William Breathitt Gray , linux-gpio@vger.kernel.org, geert@linux-m68k.org, akpm@linux-foundation.org, andriy.shevchenko@linux.intel.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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..df640cb29b9c 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 int i; + unsigned long bank_mask; + unsigned int bank; + unsigned int 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, chip->ngpio, i); uniphier_gpio_bank_write(chip, bank, UNIPHIER_GPIO_PORT_DATA, bank_mask, bank_bits);