From 99f545f5c31c87b565405081594c970d4f04364e Mon Sep 17 00:00:00 2001 From: YAMAMOTO Takashi Date: Mon, 30 Nov 2020 12:49:08 +0900 Subject: [PATCH] drivers/mtd/at24xx.c: Appease nxstyle --- drivers/mtd/at24xx.c | 44 +++++++++++++++++++++++++------------------- 1 file changed, 25 insertions(+), 19 deletions(-) diff --git a/drivers/mtd/at24xx.c b/drivers/mtd/at24xx.c index ac727db871..f07be4f92c 100644 --- a/drivers/mtd/at24xx.c +++ b/drivers/mtd/at24xx.c @@ -197,13 +197,13 @@ static struct at24c_dev_s g_at24c; * Private Functions ************************************************************************************/ -/**************************************************************************** +/************************************************************************************ * Name: at24c_i2c_write * * Description: * Write to the I2C device. * - ****************************************************************************/ + ************************************************************************************/ static int at24c_i2c_write(FAR struct at24c_dev_s *priv, uint16_t at24addr, FAR const uint8_t *buffer, int buflen) @@ -223,13 +223,13 @@ static int at24c_i2c_write(FAR struct at24c_dev_s *priv, uint16_t at24addr, return I2C_TRANSFER(priv->dev, &msg, 1); } -/**************************************************************************** +/************************************************************************************ * Name: at24c_i2c_read * * Description: * Read from the I2C device. * - ****************************************************************************/ + ************************************************************************************/ static int at24c_i2c_read(FAR struct at24c_dev_s *priv, uint16_t at24addr, FAR uint8_t *buffer, int buflen) @@ -319,17 +319,20 @@ static ssize_t at24c_read_internal(FAR struct at24c_dev_s *priv, off_t offset, finfo("offset: %lu nbytes: %lu address: %02x\n", (unsigned long)offset, (unsigned long)nbytes, address); - /* "Random Read: A Random Read requires a dummy byte write sequence to load in the - * data word address. Once the device address word and data word address are clocked - * in and acknowledged by the EEPROM, the microcontroller must generate another - * Start condition. The microcontroller now initiates a current address read - * by sending a device address with the read/write select bit high. The EEPROM - * acknowledges the device address and serially clocks out the data word. To end the - * random read sequence, the microcontroller does not respond with a zero but does - * generate a Stop condition in the subsequent clock cycle." + /* "Random Read: A Random Read requires a dummy byte write sequence to + * load in the data word address. Once the device address word and data + * word address are clocked in and acknowledged by the EEPROM, the + * microcontroller must generate another Start condition. The + * microcontroller now initiates a current address read by sending a + * device address with the read/write select bit high. The EEPROM + * acknowledges the device address and serially clocks out the data word. + * To end the random read sequence, the microcontroller does not respond + * with a zero but does generate a Stop condition in the subsequent clock + * cycle." * - * A repeated START after the address is suggested, however, this simple driver - * just performs the write as a sepate transfer with an additional, unnecessary STOP. + * A repeated START after the address is suggested, however, this simple + * driver just performs the write as a sepate transfer with an additional, + * unnecessary STOP. */ #if AT24XX_ADDRSIZE == 2 @@ -411,9 +414,9 @@ static ssize_t at24c_bread(FAR struct mtd_dev_s *dev, off_t startblock, } #if CONFIG_AT24XX_MTD_BLOCKSIZE > AT24XX_PAGESIZE - return nblocks / (CONFIG_AT24XX_MTD_BLOCKSIZE / AT24XX_PAGESIZE); + return nblocks / (CONFIG_AT24XX_MTD_BLOCKSIZE / AT24XX_PAGESIZE); #else - return nblocks; + return nblocks; #endif } @@ -424,7 +427,8 @@ static ssize_t at24c_bread(FAR struct mtd_dev_s *dev, off_t startblock, * ************************************************************************************/ -static ssize_t at24c_bwrite(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblocks, +static ssize_t at24c_bwrite(FAR struct mtd_dev_s *dev, off_t startblock, + size_t nblocks, FAR const uint8_t *buffer) { FAR struct at24c_dev_s *priv = (FAR struct at24c_dev_s *)dev; @@ -553,7 +557,8 @@ static int at24c_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg) { case MTDIOC_GEOMETRY: { - FAR struct mtd_geometry_s *geo = (FAR struct mtd_geometry_s *)((uintptr_t)arg); + FAR struct mtd_geometry_s *geo = (FAR struct mtd_geometry_s *) + ((uintptr_t)arg); if (geo) { /* Populate the geometry structure with information need to know @@ -580,7 +585,8 @@ static int at24c_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg) #if CONFIG_AT24XX_MTD_BLOCKSIZE > AT24XX_PAGESIZE geo->blocksize = CONFIG_AT24XX_MTD_BLOCKSIZE; geo->erasesize = CONFIG_AT24XX_MTD_BLOCKSIZE; - geo->neraseblocks = (CONFIG_AT24XX_SIZE * 1024 / 8) / CONFIG_AT24XX_MTD_BLOCKSIZE; + geo->neraseblocks = (CONFIG_AT24XX_SIZE * 1024 / 8) / + CONFIG_AT24XX_MTD_BLOCKSIZE; #else geo->blocksize = priv->pagesize; geo->erasesize = priv->pagesize;