From patchwork Wed Oct 16 15:25:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: George Stark X-Patchwork-Id: 13838593 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 700C5D2A52B for ; Wed, 16 Oct 2024 15:29:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=NL7Zfmi8yLx1Y81VddpKEj1YM5hXopU8fzyaFR15A60=; b=wLAodLzqXwPvmtDMM5S0cgptp5 qmravDpiJgkh9OB0T6GTHHI6ZVnkSkQXN1dd6I8Dal1uaHCM/2EhiucZPmnD9MY7NFEwmWMqcIaC6 mkI2gyKzGpNp9/8MHUzPZTn9OV7eLGv76v3bPZpm2dpMo5XzEGBX62a+bgrSus/UddMHsTk0dRVOX oGuprMvQZSFtCA1sq7uD9j4K4CelHoGgLusP52/pQMbaNfCB5pZ6Rfc/x5kBQsKmqMxrFZnRV/s33 PDvytb8wR7vT4WnTykf5cl/7JeWFPca3xSbfh2RSK+VE2FngGq6ufAHJt4yMp6+XswuxtI4o7OiNa Wn3sXDUQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t15xV-0000000CFFW-3CnY; Wed, 16 Oct 2024 15:29:09 +0000 Received: from mx1.sberdevices.ru ([37.18.73.165]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t15ub-0000000CEaq-166R; Wed, 16 Oct 2024 15:26:12 +0000 Received: from p-infra-ksmg-sc-msk01.sberdevices.ru (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id 285FF100012; Wed, 16 Oct 2024 18:26:01 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru 285FF100012 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=salutedevices.com; s=mail; t=1729092361; bh=NL7Zfmi8yLx1Y81VddpKEj1YM5hXopU8fzyaFR15A60=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=RqWx/hQaagFTOTHQOLRK5PFkIPRcfxEMyRQCQFw98MnzDsjllYji6DgaS6jsPTEQN /ylXw8KPHuX5tt30LXXuOfTsjtHtZLv05LBVFJCgEIFAMixfu2M4IHfW16CeFJ0MMb 3e/NsDhRfKrrOYFt852f6bgPr+kuvonmtU+wEV544hSczIsZOtdG6cU3eZnyQ8jMub nA7aBT81aKGvV4X1O9Fm3K2WUaf2Uv2gB9D08vMq9d1KA0P5f/6afoPvFLJIALj/fw D9Z0O8UfPF52qb/BuQ9AACA9x1K8DTQ3HL8ogPMqlGZMDcEoHFJDDVRh7CLRRXYOyT oV7n5YM+ym22g== Received: from smtp.sberdevices.ru (unknown [172.16.192.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.sberdevices.ru (Postfix) with ESMTPS; Wed, 16 Oct 2024 18:26:00 +0300 (MSK) From: George Stark To: , , , , CC: , , , , , George Stark Subject: [PATCH v2 1/4] pwm: meson: Simplify get_state() callback Date: Wed, 16 Oct 2024 18:25:50 +0300 Message-ID: <20241016152553.2321992-2-gnstark@salutedevices.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241016152553.2321992-1-gnstark@salutedevices.com> References: <20241016152553.2321992-1-gnstark@salutedevices.com> MIME-Version: 1.0 X-Originating-IP: [185.8.126.20] X-ClientProxiedBy: p-i-exch-a-m2.sberdevices.ru (172.24.196.120) To p-i-exch-a-m1.sberdevices.ru (172.24.196.116) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 188482 [Oct 16 2024] X-KSMG-AntiSpam-Version: 6.1.0.4 X-KSMG-AntiSpam-Envelope-From: gnstark@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 39 0.3.39 e168d0b3ce73b485ab2648dd465313add1404cce, {Tracking_from_domain_doesnt_match_to}, smtp.sberdevices.ru:5.0.1,7.1.1;127.0.0.199:7.1.2;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;salutedevices.com:7.1.1, FromAlignment: s X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2024/10/16 12:08:00 #26762169 X-KSMG-AntiVirus-Status: Clean, skipped X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241016_082610_054704_2408E2F1 X-CRM114-Status: GOOD ( 10.99 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org In .get_state() callback meson_pwm_channel struct are used to store lo and hi reg values but they are never reused after that so for clearness use local variable instead. Signed-off-by: George Stark --- drivers/pwm/pwm-meson.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c index 98e6c1533312..2ef632caebcc 100644 --- a/drivers/pwm/pwm-meson.c +++ b/drivers/pwm/pwm-meson.c @@ -310,6 +310,7 @@ static int meson_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, struct meson_pwm *meson = to_meson_pwm(chip); struct meson_pwm_channel_data *channel_data; struct meson_pwm_channel *channel; + unsigned int hi, lo; u32 value; channel = &meson->channels[pwm->hwpwm]; @@ -319,11 +320,11 @@ static int meson_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, state->enabled = value & channel_data->pwm_en_mask; value = readl(meson->base + channel_data->reg_offset); - channel->lo = FIELD_GET(PWM_LOW_MASK, value); - channel->hi = FIELD_GET(PWM_HIGH_MASK, value); + lo = FIELD_GET(PWM_LOW_MASK, value); + hi = FIELD_GET(PWM_HIGH_MASK, value); - state->period = meson_pwm_cnt_to_ns(chip, pwm, channel->lo + channel->hi); - state->duty_cycle = meson_pwm_cnt_to_ns(chip, pwm, channel->hi); + state->period = meson_pwm_cnt_to_ns(chip, pwm, lo + hi); + state->duty_cycle = meson_pwm_cnt_to_ns(chip, pwm, hi); state->polarity = PWM_POLARITY_NORMAL;