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AJvYcCWZPcDfYyA7O6+BeTkCdHpDIII7AQwHqP2R5jl8/zAcb6QkWm7McRF4uFeOQf7fbKQdEdDcjmg3tP/HTC9VoOsPCY2oiOkHd9TFcpI= X-Gm-Message-State: AOJu0YwvTwwn7SudhZZ9CccdjN6PrRzDtDIhiOs8Ais4ki+/43KtJ19B ZCPOQDqa8xFWY0s6/2xBayXXdeEAubcgOzVryVo7jKCf/LMISXeutlqdkp22vgIhWt2bJFE79qr zfq60kvI2xQ== X-Google-Smtp-Source: AGHT+IGCU+GmK3Rf3XT5eiVn8GBJTqffr6kRhdYR5C7W1ubGEWJe6ysf+n1fV0SHLE+oXrcbvgWtj6KwbrbfFQ== X-Received: from joychakr.c.googlers.com ([fda3:e722:ac3:cc00:4f:4b78:c0a8:6ea]) (user=joychakr job=sendgmr) by 2002:a05:690c:884:b0:61d:3304:c25e with SMTP id 00721157ae682-62cbb5b3bc3mr8573737b3.7.1717610564108; Wed, 05 Jun 2024 11:02:44 -0700 (PDT) Date: Wed, 5 Jun 2024 18:02:31 +0000 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.45.1.467.gbab1589fc0-goog Message-ID: <20240605180238.2617808-1-joychakr@google.com> Subject: [PATCH v1 10/17] mtd: core: 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 , kernel test robot Change nvmem read/write function definition return type to ssize_t. Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202406050200.8BOdZUla-lkp@intel.com/ Signed-off-by: Joy Chakraborty --- drivers/mtd/mtdcore.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 724f917f91ba..b13752ec2f1c 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -530,8 +530,8 @@ int mtd_pairing_groups(struct mtd_info *mtd) } EXPORT_SYMBOL_GPL(mtd_pairing_groups); -static int mtd_nvmem_reg_read(void *priv, unsigned int offset, - void *val, size_t bytes) +static ssize_t mtd_nvmem_reg_read(void *priv, unsigned int offset, + void *val, size_t bytes) { struct mtd_info *mtd = priv; size_t retlen; @@ -541,7 +541,7 @@ static int mtd_nvmem_reg_read(void *priv, unsigned int offset, if (err && err != -EUCLEAN) return err; - return retlen == bytes ? 0 : -EIO; + return retlen; } static int mtd_nvmem_add(struct mtd_info *mtd) @@ -919,8 +919,8 @@ static struct nvmem_device *mtd_otp_nvmem_register(struct mtd_info *mtd, return nvmem; } -static int mtd_nvmem_user_otp_reg_read(void *priv, unsigned int offset, - void *val, size_t bytes) +static ssize_t mtd_nvmem_user_otp_reg_read(void *priv, unsigned int offset, + void *val, size_t bytes) { struct mtd_info *mtd = priv; size_t retlen; @@ -930,11 +930,11 @@ static int mtd_nvmem_user_otp_reg_read(void *priv, unsigned int offset, if (ret) return ret; - return retlen == bytes ? 0 : -EIO; + return retlen; } -static int mtd_nvmem_fact_otp_reg_read(void *priv, unsigned int offset, - void *val, size_t bytes) +static ssize_t mtd_nvmem_fact_otp_reg_read(void *priv, unsigned int offset, + void *val, size_t bytes) { struct mtd_info *mtd = priv; size_t retlen; @@ -944,7 +944,7 @@ static int mtd_nvmem_fact_otp_reg_read(void *priv, unsigned int offset, if (ret) return ret; - return retlen == bytes ? 0 : -EIO; + return retlen; } static int mtd_otp_nvmem_add(struct mtd_info *mtd)