From patchwork Sat Aug 6 21:23:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 1664274 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=CYkH/x1P; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pwm-owner@vger.kernel.org; receiver=) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4M0b6w4gh8z9s5W for ; Sun, 7 Aug 2022 07:23:36 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233688AbiHFVXb (ORCPT ); Sat, 6 Aug 2022 17:23:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53264 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233451AbiHFVXa (ORCPT ); Sat, 6 Aug 2022 17:23:30 -0400 Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E309AF59A; Sat, 6 Aug 2022 14:23:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1659821007; x=1691357007; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=v+i54djYfnoUzIKie9dv1CNcKoQgAuSTdid5qaQpsnk=; b=CYkH/x1P84Z/K5zyRFNAv8bcvumdKeZ1BOdb8bg7iP6jU0P7pzXobPF3 hKnwiHS6dAdNgb00FWxA9CSp0aIYv0UHEA0YDjeCWDyX9qfjj3iX+zEch kIltOIxH9pE7adgqVh2H33MlDIy3YTUECP0qBYqgCfW/X+ZNxdlacYXGl f0pq5E2sklNhOqE4EOiEc2Mq80jvTo7JTVkOXYH6Yrlk4u4nthObbcAod groRIITSPR7yJPRtsVeerBGovq7lkaySKij+XXKGqC3//HD/fcuufC+Jb IzIlD+Oqg9QbsU6gJnvZZwedbKJFLr/l++HzISNCK6TI+jLe0an6DlPV3 Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10431"; a="352116771" X-IronPort-AV: E=Sophos;i="5.93,217,1654585200"; d="scan'208";a="352116771" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Aug 2022 14:23:27 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,217,1654585200"; d="scan'208";a="746212463" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 06 Aug 2022 14:23:25 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 4C2E91D0; Sun, 7 Aug 2022 00:23:37 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , linux-pwm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Thierry Reding , =?utf-8?q?Uwe_Kleine-K=C3=B6n?= =?utf-8?q?ig?= Subject: [PATCH v1 3/4] pwm: sysfs: Replace sprintf() with sysfs_emit() Date: Sun, 7 Aug 2022 00:23:30 +0300 Message-Id: <20220806212331.40086-3-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220806212331.40086-1-andriy.shevchenko@linux.intel.com> References: <20220806212331.40086-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-4.9 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org For sysfs outputs, it's safer to use a new helper, sysfs_emit(), instead of the raw sprintf() & co. This patch replaces such a sprintf() call straightforwardly with the new helper. Signed-off-by: Andy Shevchenko Reviewed-by: Uwe Kleine-König --- drivers/pwm/sysfs.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/pwm/sysfs.c b/drivers/pwm/sysfs.c index 1543fe07765b..767c4b19afb1 100644 --- a/drivers/pwm/sysfs.c +++ b/drivers/pwm/sysfs.c @@ -42,7 +42,7 @@ static ssize_t period_show(struct device *child, pwm_get_state(pwm, &state); - return sprintf(buf, "%llu\n", state.period); + return sysfs_emit(buf, "%llu\n", state.period); } static ssize_t period_store(struct device *child, @@ -77,7 +77,7 @@ static ssize_t duty_cycle_show(struct device *child, pwm_get_state(pwm, &state); - return sprintf(buf, "%llu\n", state.duty_cycle); + return sysfs_emit(buf, "%llu\n", state.duty_cycle); } static ssize_t duty_cycle_store(struct device *child, @@ -112,7 +112,7 @@ static ssize_t enable_show(struct device *child, pwm_get_state(pwm, &state); - return sprintf(buf, "%d\n", state.enabled); + return sysfs_emit(buf, "%d\n", state.enabled); } static ssize_t enable_store(struct device *child, @@ -171,7 +171,7 @@ static ssize_t polarity_show(struct device *child, break; } - return sprintf(buf, "%s\n", polarity); + return sysfs_emit(buf, "%s\n", polarity); } static ssize_t polarity_store(struct device *child, @@ -212,7 +212,7 @@ static ssize_t capture_show(struct device *child, if (ret) return ret; - return sprintf(buf, "%u %u\n", result.period, result.duty_cycle); + return sysfs_emit(buf, "%u %u\n", result.period, result.duty_cycle); } static DEVICE_ATTR_RW(period); @@ -361,7 +361,7 @@ static ssize_t npwm_show(struct device *parent, struct device_attribute *attr, { const struct pwm_chip *chip = dev_get_drvdata(parent); - return sprintf(buf, "%u\n", chip->npwm); + return sysfs_emit(buf, "%u\n", chip->npwm); } static DEVICE_ATTR_RO(npwm);