From patchwork Wed Jun 5 17:59:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joy Chakraborty X-Patchwork-Id: 13687265 Received: from mail-yw1-f202.google.com (mail-yw1-f202.google.com [209.85.128.202]) (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 947ED15FA72 for ; Wed, 5 Jun 2024 18:00:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717610430; cv=none; b=GxDHDjFk7hocX1CzVfM8VCMeWEFPXxDj7dVnlqjr+cpGDrzBmX/Q3Cl77B+rmKIx2D88D2Kyohe10j6jlde8jX8GNLr663OITcRRHFMreN33OZamezhy+P+04vvqpO58Vj1B5pqKgtsnHskyenzVmNk0nWx7WSogMF/iNg+kDFI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717610430; c=relaxed/simple; bh=7s5ualCvDc0GEz4419Gj42eDU6iSkCy4DM1JO8Cp5kE=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=gcXwjRHPLIHjd38770jg7TbChVOCtqayc11pdcTBCPKWvXyYYvubiLUPbcumBzl/6l11OkLfoTMllG45z0DdEXv8UacfYDMsb474qhgfL+PsEV6cL2FaINcq7m2NqCioPal0SvCbeapCoUar/zupckoWfsPLOOKLVZBf2DMTA+0= 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=yW9iJgkc; arc=none smtp.client-ip=209.85.128.202 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="yW9iJgkc" Received: by mail-yw1-f202.google.com with SMTP id 00721157ae682-62a089511f9so15304317b3.1 for ; Wed, 05 Jun 2024 11:00:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1717610426; x=1718215226; 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=Kq8gN9PC4V0/WUeYJD+ngNL2/82oznUqnDRsVCEUyhc=; b=yW9iJgkcljzKSnVxoazsYECi5fP6QNHHLJ9IlEuTsYQL+RlaWWDmJD2d4e+DNhDTlm KIfryHEvd7FtNm8eHNyqjTI1XXd9/8uhvtg7pv/6kGvV3N26EfwVy000lhOWFWeeOYca tJ5tYDQzM0o210kyrr+IgjNfC2CA3bJ/iL77N6LlXzTEq98PU3R3wL/25tRG7uPbotgU cpbVNwzhr6IKc2fqP3RBBaMQHVM8jgX0F5gRXjSonWVCOuoyDtvr1Rlg6q+Zn0PJq947 LFpzYOwiH3TGEwZZHterdbmrVBOoTZV4ppyVHdrpANxTOrfCSPzqLu+DJ+cBDsXOimAK gLiw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717610426; x=1718215226; 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=Kq8gN9PC4V0/WUeYJD+ngNL2/82oznUqnDRsVCEUyhc=; b=rcU1if5L3wOn8jtdL3TiNq37tOLl1d+6uF7N1W5LG4EQjzu03+NMG1T3Jw0aTQJppf kt4/KTc1Se1ZIyfyi9/4FfxTG+SjMY6jud0ClXXxhnc+BgyzIHVYHqrBxsew/7SQKkaj kX7cZaF98nYiPlmmJ2rYt13+nstBpeJ5Y4S6mZQRSKz896WM01VHoX1pTFnm4bngBI9r /374gODIxacX8RUO0uHn5kAbn3ahNlmSZTlr4lhtdTaeAxde3ZQbxjOa4CmIU2gKzF3k CNKEvwhuiDa1k+VcssT4/8EvS0fSJPmIYC7zwPJEN9yPcThJjFttiNNzGen8GjMbZTgu TxQg== X-Forwarded-Encrypted: i=1; AJvYcCU8z4Su6YdLvYjhFoQ8URDTAQ8FpbYpoWcE6A8ZXLd3C6KZGGiCJG4VlEEAuQ5YJdm0Jo6YnFALwH2EkioG6b8+q0+SFuCy8ZLa X-Gm-Message-State: AOJu0YwY+CcZaOLkmUnC4vd7VIgRrcgl/c9nNvY+LnnjDZbynLGjfwkI pb9/Xp09aBtbw1iE4FJeihtXfXPt4qK53mFK+QoGAForj0nywD5hMFREeoPjGPMhLzYGjb9ZcEB 27DLm8h75Iw== X-Google-Smtp-Source: AGHT+IGpQQ4ibO82CB++j7EQg4rT4P/RHw0r35tzLXXxO3B/dL6yEQW14Z2L0s1fkq9sPWcVhlzFxs8YqockaA== X-Received: from joychakr.c.googlers.com ([fda3:e722:ac3:cc00:4f:4b78:c0a8:6ea]) (user=joychakr job=sendgmr) by 2002:a0d:d4ca:0:b0:623:be6:d5e4 with SMTP id 00721157ae682-62cc71784bdmr605497b3.4.1717610426639; Wed, 05 Jun 2024 11:00:26 -0700 (PDT) Date: Wed, 5 Jun 2024 17:59:50 +0000 In-Reply-To: <20240605175953.2613260-1-joychakr@google.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240605175953.2613260-1-joychakr@google.com> X-Mailer: git-send-email 2.45.1.467.gbab1589fc0-goog Message-ID: <20240605175953.2613260-7-joychakr@google.com> Subject: [PATCH v1 06/17] misc: eeprom: at24: 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/misc/eeprom/at24.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 4bd4f32bcdab..0e8d92d6ab1e 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -424,8 +424,9 @@ static ssize_t at24_regmap_write(struct at24_data *at24, const char *buf, return -ETIMEDOUT; } -static int at24_read(void *priv, unsigned int off, void *val, size_t count) +static ssize_t at24_read(void *priv, unsigned int off, void *val, size_t count) { + size_t bytes_read = count; struct at24_data *at24; struct device *dev; char *buf = val; @@ -465,11 +466,12 @@ static int at24_read(void *priv, unsigned int off, void *val, size_t count) if (unlikely(at24->read_post)) at24->read_post(off, buf, i); - return 0; + return bytes_read; } -static int at24_write(void *priv, unsigned int off, void *val, size_t count) +static ssize_t at24_write(void *priv, unsigned int off, void *val, size_t count) { + size_t bytes_written = count; struct at24_data *at24; struct device *dev; char *buf = val; @@ -509,7 +511,7 @@ static int at24_write(void *priv, unsigned int off, void *val, size_t count) pm_runtime_put(dev); - return 0; + return bytes_written; } static int at24_make_dummy_client(struct at24_data *at24, unsigned int index,