From patchwork Mon Nov 22 15:54:07 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 518416 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A0149C43219 for ; Mon, 22 Nov 2021 15:56:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240131AbhKVP7g (ORCPT ); Mon, 22 Nov 2021 10:59:36 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37796 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240101AbhKVP7a (ORCPT ); Mon, 22 Nov 2021 10:59:30 -0500 Received: from albert.telenet-ops.be (albert.telenet-ops.be [IPv6:2a02:1800:110:4::f00:1a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CAA1AC06175D for ; Mon, 22 Nov 2021 07:56:16 -0800 (PST) Received: from ramsan.of.borg ([84.195.186.194]) by albert.telenet-ops.be with bizsmtp id MTvb260044C55Sk06Tvb5d; Mon, 22 Nov 2021 16:56:16 +0100 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1mpBe6-00EL3k-Le; Mon, 22 Nov 2021 16:54:18 +0100 Received: from geert by rox.of.borg with local (Exim 4.93) (envelope-from ) id 1mpBe5-00HH0g-SI; Mon, 22 Nov 2021 16:54:17 +0100 From: Geert Uytterhoeven To: Tony Lindgren , Russell King , Rajendra Nayak , Paul Walmsley , Michael Turquette , Stephen Boyd , Nicolas Ferre , Alexandre Belloni , Ludovic Desroches , Tero Kristo , Jonathan Cameron , Lars-Peter Clausen , Lorenzo Bianconi , Benoit Parrot , Mauro Carvalho Chehab , Adrian Hunter , Andrew Jeffery , Ulf Hansson , Joel Stanley , Ping-Ke Shih , Kalle Valo , "David S . Miller" , Jakub Kicinski , Linus Walleij , Liam Girdwood , Mark Brown , Magnus Damm , Eduardo Valentin , Keerthy , "Rafael J . Wysocki" , Daniel Lezcano , Amit Kucheria , Zhang Rui , Jaroslav Kysela , Takashi Iwai Cc: linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-iio@vger.kernel.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-aspeed@lists.ozlabs.org, openbmc@lists.ozlabs.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, alsa-devel@alsa-project.org, Geert Uytterhoeven Subject: [PATCH/RFC 14/17] regulator: ti-abb: Use bitfield helpers Date: Mon, 22 Nov 2021 16:54:07 +0100 Message-Id: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Use the field_{get,prep}() helpers, instead of open-coding the same operations. Signed-off-by: Geert Uytterhoeven --- Compile-tested only. Marked RFC, as this depends on [PATCH 01/17], but follows a different path to upstream. --- drivers/regulator/ti-abb-regulator.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/regulator/ti-abb-regulator.c b/drivers/regulator/ti-abb-regulator.c index 2931a0b89bffbf7a..3bc6ca5c382a4273 100644 --- a/drivers/regulator/ti-abb-regulator.c +++ b/drivers/regulator/ti-abb-regulator.c @@ -17,6 +17,7 @@ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ +#include #include #include #include @@ -132,7 +133,7 @@ static inline u32 ti_abb_rmw(u32 mask, u32 value, void __iomem *reg) val = readl(reg); val &= ~mask; - val |= (value << __ffs(mask)) & mask; + val |= field_prep(mask, value); writel(val, reg); return val; @@ -229,7 +230,7 @@ static void ti_abb_program_ldovbb(struct device *dev, const struct ti_abb *abb, case TI_ABB_SLOW_OPP: case TI_ABB_FAST_OPP: val |= abb->ldovbb_override_mask; - val |= info->vset << __ffs(abb->ldovbb_vset_mask); + val |= field_prep(abb->ldovbb_vset_mask, info->vset); break; } @@ -606,7 +607,7 @@ static int ti_abb_init_table(struct device *dev, struct ti_abb *abb, pname, *volt_table, vset_mask); continue; } - info->vset = (efuse_val & vset_mask) >> __ffs(vset_mask); + info->vset = field_get(vset_mask, efuse_val); dev_dbg(dev, "[%d]v=%d vset=%x\n", i, *volt_table, info->vset); check_abb: switch (info->opp_sel) {