From patchwork Wed Jun 5 18:02:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joy Chakraborty X-Patchwork-Id: 802163 Received: from mail-yw1-f201.google.com (mail-yw1-f201.google.com [209.85.128.201]) (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 2AE6214F122 for ; Wed, 5 Jun 2024 18:02:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717610580; cv=none; b=rIiUnnB+kqZpidFKxtkKzVHO5j44uan58wZaGiXxhAy1Xz0vJY7ZbSt5/yryiw8eOhDcaB8m2cMqMbAUx9QLYP9g/ERm0+v31uJCrQOVSu0O8lx+mehK/Gh+yEM9Q+OCrbs+JWNuVZ0zWRs14QNuTx9hYe0f6/xkvMFufa22yNk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717610580; c=relaxed/simple; bh=F7v/jReeX3F7roR5IktBU242vDNjjn7EqsY7CVC37N0=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=saBILyG+cE984zjuavWmMBij0Rk3RKjlvpSUndAYWAQ3lV8F+ept8YbTf8fxRE2oCT2q7BZ+WGl7qDOE3usDXqzvH5fZ1ijHu9MApFwmcXzocRqD6ritdIm6uXFJ9u3kL4ijIdKVJSQJPzZZwplaHQUk9K1tipjid/Jpz5Rm3zk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--joychakr.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=kNi4DOsm; arc=none smtp.client-ip=209.85.128.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--joychakr.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="kNi4DOsm" Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-627e4afa326so301187b3.2 for ; Wed, 05 Jun 2024 11:02:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1717610577; x=1718215377; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=gIyLXo+tPpGJoYrLFVnPX7LJcwSjEvXHtDXEdVowSIA=; b=kNi4DOsmR2eFJD/ozPIJsZfY+u1FaWLBIwASVQfRGxgFjLlTOUI7zjev1aEAMfsKW/ 0yLbhyipzyZtFoC+DUR4FYJiSoXO5mH4/eulRQR9F6nT/ixTUVnH89p8nLpSKs+ryqZ6 PQDB5Kq9C8mDvTjazJGZigJLIebVnW2iS5jBdtWMwaDdH3Nm0KtC+riYBGgJRElKzcBc nb0zPBm9tbmB8B9Nt5DQWLR/elAziVjIPIPDCS45F2QREIVOQMwAJMr3aIZrSPFIy5N7 4I9Ab10rDhZjjGPg8NhmVnxMrZ1wybrQdk1R3hz/PGLFOiA1QeUxuqHLnxFWVNZSGdTh f60w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717610577; x=1718215377; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=gIyLXo+tPpGJoYrLFVnPX7LJcwSjEvXHtDXEdVowSIA=; b=Ln8mGDWkLcFnJ9T5ByBy3Hze+1g7vfDJGx71KeW+yx7zah1WI3j+uQLCSVT7hTWyM1 DdF1izXy3PzCytl48lstdShWQmBndNPJTtevBiH3yh7KaCtOfRKezziOlweQx5NBSOlb fLJm///PDdt3wKtQko7Z/rG+0tVcU0zZ7rOZ+8lZq9WV/pkOeZvyHneVJgaXWZPmqVie ehaE4Ctar2e199S6sAk60IaZ+X0+15MCaoUioT+6RQi9pX+vYcwZwlqP9jUD540Ci6Rs 5ipf3lf/vQg77qI/G6drTUjLQ6OMQhhgXtkMyQrB9mI8rWhHn7X5CY4ld55gPsGvocla i5kA== X-Forwarded-Encrypted: i=1; AJvYcCUeE/jYE4xGHikJQUSJ43Ekjgq32kAjzqc0Njdc1GS7kVc0AlUrht74v0OR8Bpxu5Kq84fLlMvSLXAVYMW8H3Ban3cCW2VmLjZ9 X-Gm-Message-State: AOJu0Yx3WFQRvzbiFWSBR0QofX70I+5iowtxAQWiIk242cx0lLNoxSAw oYeDGCKfpI1S7N65KbEtYev4LC6VA8JPuQO3ipslcMw9ww9mtEAH5fkjdhWnJMkAc2EsPP1VwMI tNulKc/+/Xg== X-Google-Smtp-Source: AGHT+IHG2azfatKIs/LKs8bXyfwjNeJAhdZhoJHXxOf8ZfbWIWN9yiXy7wSmGDJ/xHP8XZ6qdqs5ZKpzypDE7g== X-Received: from joychakr.c.googlers.com ([fda3:e722:ac3:cc00:4f:4b78:c0a8:6ea]) (user=joychakr job=sendgmr) by 2002:a05:690c:887:b0:62c:35fd:678b with SMTP id 00721157ae682-62cbb5ab5a2mr4622397b3.8.1717610577229; Wed, 05 Jun 2024 11:02:57 -0700 (PDT) Date: Wed, 5 Jun 2024 18:02:34 +0000 In-Reply-To: <20240605180238.2617808-1-joychakr@google.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240605180238.2617808-1-joychakr@google.com> X-Mailer: git-send-email 2.45.1.467.gbab1589fc0-goog Message-ID: <20240605180238.2617808-4-joychakr@google.com> Subject: [PATCH v1 13/17] w1: slaves: w1_ds250x: Change nvmem reg_read/write return type From: Joy Chakraborty To: Srinivas Kandagatla , Greg Kroah-Hartman , AngeloGioacchino Del Regno , Lars-Peter Clausen , Sakari Ailus , Bingbu Cao , Zhihao Cheng , Jerome Brunet , Martin Blumenstingl Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, linux-media@vger.kernel.org, linux-i2c@vger.kernel.org, linux-gpio@vger.kernel.org, linux-mtd@lists.infradead.org, linux-rtc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org, linux-usb@vger.kernel.org, manugautam@google.com, Joy Chakraborty Change nvmem read/write function definition return type to ssize_t. Signed-off-by: Joy Chakraborty --- drivers/w1/slaves/w1_ds250x.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/w1/slaves/w1_ds250x.c b/drivers/w1/slaves/w1_ds250x.c index cb426f7dd23d..369de01cd84b 100644 --- a/drivers/w1/slaves/w1_ds250x.c +++ b/drivers/w1/slaves/w1_ds250x.c @@ -137,7 +137,7 @@ static int w1_ds2505_read_page(struct w1_slave *sl, int pageno) return ret; } -static int w1_nvmem_read(void *priv, unsigned int off, void *buf, size_t count) +static ssize_t w1_nvmem_read(void *priv, unsigned int off, void *buf, size_t count) { struct w1_slave *sl = priv; struct w1_eprom_data *data = sl->family_data; @@ -159,7 +159,7 @@ static int w1_nvmem_read(void *priv, unsigned int off, void *buf, size_t count) } while (i < OFF2PG(off + count)); memcpy(buf, &data->eprom[off], count); - return 0; + return count; } static int w1_eprom_add_slave(struct w1_slave *sl)