From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ua1-f51.google.com (mail-ua1-f51.google.com [209.85.222.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6CC01395D8F for ; Thu, 19 Mar 2026 22:57:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.222.51 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773961069; cv=none; b=Vk/MEB26heckVqqeOteQqmUUMML+gX0JpkXy+iFKSXj3pxS7eo8iTJ+mzMokxu5D2m6nwf5dMY1/4kYY969EALugEh/mrcnj9gC6pKJ9iz9Zo2VG5+Uq/R8UG+nsS8qGHA/zq3J2N4ebY0ZrgSNl4Bzu0kWV91LueVDJ/rCQrb8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773961069; c=relaxed/simple; bh=3DxMmMkkTJYuthcc1FWR63wttOEOetgZxkwVVvliXGk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=kgo6uhxcFHWJTmcJ0Vq7h8exY4cPXBfbMSNpnW6fi/iIRb5ViX4jl5R0CSeQ3p6db2gyXvf72UItZuxoOFz6FLjTEVGjl2nrD+mb/Jq5bGn4t1DUgNX/hjka1Wlf2Ed6y4vN0LsLvM+5LKSZvJg+OTkYas5+daDAJTLPgawV9eg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Qdz4zQoQ; arc=none smtp.client-ip=209.85.222.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Qdz4zQoQ" Received: by mail-ua1-f51.google.com with SMTP id a1e0cc1a2514c-94acf9ce1b7so820908241.2 for ; Thu, 19 Mar 2026 15:57:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1773961067; x=1774565867; darn=lists.linux.dev; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=9L3neA2+kvCOVzQBVY/s3bzaGGTddNGHKUrFDsFPQIc=; b=Qdz4zQoQPzy3WF56seO4fJxkStjEVnYuGZx1X9jObZHsWYlYLcY7rz6wsqMjki0SEt enIoTb9gcCFdXLWKCyxP+lxg0S8vVa5JBYrDVSwT3k9WktrTEWn5wVxaDmLzgt4keEYH n431Fb+IikAFqj1ZruqeupojIU/m4uecZu3NLaW6mzMRDdfI0gK5MLd6caOmqT/shG41 ZY34l0Tlxp+Piiy9cGktY2jfLhbse9WKcNVtxHiItfEYsiqYQoHZbXKBG3k5KZCwUiAA dGIUKkmXkVoWBcq9tmsauUMqbf3HCfHjlwZac6xXEbRjBkr06+LzWSKoqoldwAxjGEGX FAeg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1773961067; x=1774565867; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=9L3neA2+kvCOVzQBVY/s3bzaGGTddNGHKUrFDsFPQIc=; b=i3uwiR1XLLou4JG7xWHDNOiDk2B3NT8e7yGDJz31ijMDV9EW3XFalMVWPgFZ92KzY2 kLBPpQ8T2pUtikrHMMEXL487Qk/vMYfkqXmNPuASoGWWDFu5kMLL6SXUaFTV23Q60LrM 4OE44CHE3WCrGphWFhmNSNfjx4HS2ImXiHtsZP7H+CWeUs72hxehRZS7AGt6IXdoGoXM vyeUQlrWv2UGAf2AMdenkDDrNnC+uBPC2H2F6nbwGor/32R1w8hs/DTguo7DevYpXLLm d/mfzXphwJnOE8r6Xa2dvx0sbMa9nlHIMRGI3nMzs1XrllSh+7Xy9kV0CBa99vRQfkqU RG5Q== X-Forwarded-Encrypted: i=1; AJvYcCVwDY/+phVYCwRfO92UYu6WBBKwnonknwRvV/NTWcb2lyQ4k5ccQkXJDzVMmdzlLPmyH3awS07UlMoDAjEU@lists.linux.dev X-Gm-Message-State: AOJu0YxKj887LcGdlewlDNp9n2SinvA8MZtiyeiQdahMrYMIqWoyTJMl 2hoM2e03QeS0IuUmauP/tuWP5UP2lwxX1e/ZyTDgSNyQ469wFz7Po4/D X-Gm-Gg: ATEYQzyBHpZUecSWJqHGU255I4BaIqq2jub3/NZh3C+GJnvQUOdC3xlTiK39qAO6s5/ dBiiy/KwhpzKI4oKcnEnDPnoe1miEiNleT9RrU3RijZPf29TZmogcdk7C2YrXU1lvFTvBmjDnmk v8abnECKW52LZNRBCotyPMGVqWm5GpVUM9W6ITYXk5qfNpQAj/c0eGet7T/ZrlPgQsicnYywgOD MgKKsW0egyMDojY6+T9YL8VT/36P8vtBuZPhZLQPFPADRIp/71FsMKaKYk+Kw5Sk6Qg1c0MXQre 3Nz6wpaDzeQem2MKdbZlDfktGCtq0AqWaOh6Q37ApVIw+NjEfQ20xqOG1OF2yUQ67uYCFYtVbWd oEcvWGWy0Lz2/FQZCri+LM3iti4kBwaciQ71iBB+5gOGhEBUBbu2f0ocMQuaYX3RKvqjwF4epgR eMclnKe2MQSPuBrz1+uEzSVfSEptZQyjVLbQ== X-Received: by 2002:a05:6102:3910:b0:602:8cee:8246 with SMTP id ada2fe7eead31-602aeb3db5fmr754587137.16.1773961067458; Thu, 19 Mar 2026 15:57:47 -0700 (PDT) Received: from localhost.localdomain ([149.102.251.107]) by smtp.gmail.com with ESMTPSA id a1e0cc1a2514c-95136bd79c0sm204828241.6.2026.03.19.15.57.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Mar 2026 15:57:47 -0700 (PDT) From: Gabriel Rondon To: lars@metafoo.de, Michael.Hennerich@analog.com, jic23@kernel.org, gregkh@linuxfoundation.org Cc: dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, linux-iio@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH 2/3] staging: iio: ad5933: use sysfs_emit() in show functions Date: Thu, 19 Mar 2026 22:57:18 +0000 Message-Id: <20260319225719.73587-3-grondon@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20260319225719.73587-1-grondon@gmail.com> References: <20260319225719.73587-1-grondon@gmail.com> Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Replace sprintf() with sysfs_emit() in all sysfs attribute show functions. sysfs_emit() is the preferred API for sysfs callbacks as it is aware of the PAGE_SIZE buffer limit. No functional change. Signed-off-by: Gabriel Rondon --- .../staging/iio/impedance-analyzer/ad5933.c | 24 +++++++++---------- 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c index 85a422329..f470d3966 100644 --- a/drivers/staging/iio/impedance-analyzer/ad5933.c +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c @@ -285,7 +285,7 @@ static ssize_t ad5933_show_frequency(struct device *dev, freqreg = (u64)freqreg * (u64)(st->mclk_hz / 4); do_div(freqreg, BIT(27)); - return sprintf(buf, "%d\n", (int)freqreg); + return sysfs_emit(buf, "%d\n", (int)freqreg); } static ssize_t ad5933_store_frequency(struct device *dev, @@ -338,27 +338,27 @@ static ssize_t ad5933_show(struct device *dev, mutex_lock(&st->lock); switch ((u32)this_attr->address) { case AD5933_OUT_RANGE: - len = sprintf(buf, "%u\n", - st->range_avail[(st->ctrl_hb >> 1) & 0x3]); + len = sysfs_emit(buf, "%u\n", + st->range_avail[(st->ctrl_hb >> 1) & 0x3]); break; case AD5933_OUT_RANGE_AVAIL: - len = sprintf(buf, "%u %u %u %u\n", st->range_avail[0], - st->range_avail[3], st->range_avail[2], - st->range_avail[1]); + len = sysfs_emit(buf, "%u %u %u %u\n", st->range_avail[0], + st->range_avail[3], st->range_avail[2], + st->range_avail[1]); break; case AD5933_OUT_SETTLING_CYCLES: - len = sprintf(buf, "%d\n", st->settling_cycles); + len = sysfs_emit(buf, "%d\n", st->settling_cycles); break; case AD5933_IN_PGA_GAIN: - len = sprintf(buf, "%s\n", - (st->ctrl_hb & AD5933_CTRL_PGA_GAIN_1) ? - "1" : "0.2"); + len = sysfs_emit(buf, "%s\n", + (st->ctrl_hb & AD5933_CTRL_PGA_GAIN_1) ? + "1" : "0.2"); break; case AD5933_IN_PGA_GAIN_AVAIL: - len = sprintf(buf, "1 0.2\n"); + len = sysfs_emit(buf, "1 0.2\n"); break; case AD5933_FREQ_POINTS: - len = sprintf(buf, "%d\n", st->freq_points); + len = sysfs_emit(buf, "%d\n", st->freq_points); break; default: ret = -EINVAL; -- 2.33.0