forked from Minki/linux
i2c-s3c2410: Fixup style problems from checkpatch.pl
Fixup the 36 warnings and errors generated from running checkpatch.pl on the driver. The warnings are too numerous to be listed here. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Ben Dooks
parent
1bda71282d
commit
3d0911bfe0
@ -109,7 +109,8 @@ static inline int s3c24xx_i2c_is2440(struct s3c24xx_i2c *i2c)
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* the default if there is none
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*/
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static inline struct s3c2410_platform_i2c *s3c24xx_i2c_get_platformdata(struct device *dev)
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static inline struct s3c2410_platform_i2c *
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s3c24xx_i2c_get_platformdata(struct device *dev)
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{
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if (dev->platform_data != NULL)
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return (struct s3c2410_platform_i2c *)dev->platform_data;
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@ -129,7 +130,7 @@ static inline void s3c24xx_i2c_master_complete(struct s3c24xx_i2c *i2c, int ret)
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i2c->msg_ptr = 0;
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i2c->msg = NULL;
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i2c->msg_idx ++;
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i2c->msg_idx++;
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i2c->msg_num = 0;
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if (ret)
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i2c->msg_idx = ret;
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@ -140,19 +141,17 @@ static inline void s3c24xx_i2c_master_complete(struct s3c24xx_i2c *i2c, int ret)
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static inline void s3c24xx_i2c_disable_ack(struct s3c24xx_i2c *i2c)
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{
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unsigned long tmp;
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tmp = readl(i2c->regs + S3C2410_IICCON);
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writel(tmp & ~S3C2410_IICCON_ACKEN, i2c->regs + S3C2410_IICCON);
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}
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static inline void s3c24xx_i2c_enable_ack(struct s3c24xx_i2c *i2c)
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{
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unsigned long tmp;
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tmp = readl(i2c->regs + S3C2410_IICCON);
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writel(tmp | S3C2410_IICCON_ACKEN, i2c->regs + S3C2410_IICCON);
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}
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/* irq enable/disable functions */
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@ -160,7 +159,7 @@ static inline void s3c24xx_i2c_enable_ack(struct s3c24xx_i2c *i2c)
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static inline void s3c24xx_i2c_disable_irq(struct s3c24xx_i2c *i2c)
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{
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unsigned long tmp;
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tmp = readl(i2c->regs + S3C2410_IICCON);
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writel(tmp & ~S3C2410_IICCON_IRQEN, i2c->regs + S3C2410_IICCON);
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}
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@ -168,7 +167,7 @@ static inline void s3c24xx_i2c_disable_irq(struct s3c24xx_i2c *i2c)
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static inline void s3c24xx_i2c_enable_irq(struct s3c24xx_i2c *i2c)
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{
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unsigned long tmp;
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tmp = readl(i2c->regs + S3C2410_IICCON);
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writel(tmp | S3C2410_IICCON_IRQEN, i2c->regs + S3C2410_IICCON);
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}
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@ -176,10 +175,10 @@ static inline void s3c24xx_i2c_enable_irq(struct s3c24xx_i2c *i2c)
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/* s3c24xx_i2c_message_start
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*
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* put the start of a message onto the bus
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* put the start of a message onto the bus
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*/
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static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c,
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static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c,
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struct i2c_msg *msg)
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{
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unsigned int addr = (msg->addr & 0x7f) << 1;
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@ -198,15 +197,15 @@ static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c,
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if (msg->flags & I2C_M_REV_DIR_ADDR)
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addr ^= 1;
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// todo - check for wether ack wanted or not
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/* todo - check for wether ack wanted or not */
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s3c24xx_i2c_enable_ack(i2c);
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iiccon = readl(i2c->regs + S3C2410_IICCON);
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writel(stat, i2c->regs + S3C2410_IICSTAT);
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dev_dbg(i2c->dev, "START: %08lx to IICSTAT, %02x to DS\n", stat, addr);
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writeb(addr, i2c->regs + S3C2410_IICDS);
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/* delay here to ensure the data byte has gotten onto the bus
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* before the transaction is started */
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@ -214,8 +213,8 @@ static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c,
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dev_dbg(i2c->dev, "iiccon, %08lx\n", iiccon);
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writel(iiccon, i2c->regs + S3C2410_IICCON);
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stat |= S3C2410_IICSTAT_START;
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stat |= S3C2410_IICSTAT_START;
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writel(stat, i2c->regs + S3C2410_IICSTAT);
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}
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@ -226,11 +225,11 @@ static inline void s3c24xx_i2c_stop(struct s3c24xx_i2c *i2c, int ret)
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dev_dbg(i2c->dev, "STOP\n");
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/* stop the transfer */
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iicstat &= ~ S3C2410_IICSTAT_START;
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iicstat &= ~S3C2410_IICSTAT_START;
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writel(iicstat, i2c->regs + S3C2410_IICSTAT);
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i2c->state = STATE_STOP;
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s3c24xx_i2c_master_complete(i2c, ret);
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s3c24xx_i2c_disable_irq(i2c);
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}
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@ -240,7 +239,7 @@ static inline void s3c24xx_i2c_stop(struct s3c24xx_i2c *i2c, int ret)
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/* is_lastmsg()
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*
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* returns TRUE if the current message is the last in the set
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* returns TRUE if the current message is the last in the set
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*/
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static inline int is_lastmsg(struct s3c24xx_i2c *i2c)
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@ -288,14 +287,14 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
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case STATE_STOP:
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dev_err(i2c->dev, "%s: called in STATE_STOP\n", __func__);
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s3c24xx_i2c_disable_irq(i2c);
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s3c24xx_i2c_disable_irq(i2c);
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goto out_ack;
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case STATE_START:
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/* last thing we did was send a start condition on the
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* bus, or started a new i2c message
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*/
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if (iicstat & S3C2410_IICSTAT_LASTBIT &&
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!(i2c->msg->flags & I2C_M_IGNORE_NAK)) {
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/* ack was not received... */
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@ -321,7 +320,7 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
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if (i2c->state == STATE_READ)
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goto prepare_read;
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/* fall through to the write state, as we will need to
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/* fall through to the write state, as we will need to
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* send a byte as well */
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case STATE_WRITE:
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@ -338,7 +337,7 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
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}
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}
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retry_write:
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retry_write:
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if (!is_msgend(i2c)) {
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byte = i2c->msg->buf[i2c->msg_ptr++];
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@ -358,9 +357,9 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
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dev_dbg(i2c->dev, "WRITE: Next Message\n");
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i2c->msg_ptr = 0;
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i2c->msg_idx ++;
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i2c->msg_idx++;
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i2c->msg++;
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/* check to see if we need to do another message */
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if (i2c->msg->flags & I2C_M_NOSTART) {
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@ -374,7 +373,6 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
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goto retry_write;
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} else {
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/* send the new start */
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s3c24xx_i2c_message_start(i2c, i2c->msg);
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i2c->state = STATE_START;
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@ -388,7 +386,7 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
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break;
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case STATE_READ:
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/* we have a byte of data in the data register, do
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/* we have a byte of data in the data register, do
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* something with it, and then work out wether we are
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* going to do any more read/write
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*/
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@ -396,13 +394,13 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
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byte = readb(i2c->regs + S3C2410_IICDS);
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i2c->msg->buf[i2c->msg_ptr++] = byte;
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prepare_read:
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prepare_read:
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if (is_msglast(i2c)) {
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/* last byte of buffer */
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if (is_lastmsg(i2c))
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s3c24xx_i2c_disable_ack(i2c);
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} else if (is_msgend(i2c)) {
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/* ok, we've read the entire buffer, see if there
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* is anything else we need to do */
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@ -428,7 +426,7 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
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/* acknowlegde the IRQ and get back on with the work */
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out_ack:
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tmp = readl(i2c->regs + S3C2410_IICCON);
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tmp = readl(i2c->regs + S3C2410_IICCON);
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tmp &= ~S3C2410_IICCON_IRQPEND;
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writel(tmp, i2c->regs + S3C2410_IICCON);
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out:
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@ -449,19 +447,19 @@ static irqreturn_t s3c24xx_i2c_irq(int irqno, void *dev_id)
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status = readl(i2c->regs + S3C2410_IICSTAT);
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if (status & S3C2410_IICSTAT_ARBITR) {
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// deal with arbitration loss
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/* deal with arbitration loss */
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dev_err(i2c->dev, "deal with arbitration loss\n");
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}
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if (i2c->state == STATE_IDLE) {
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dev_dbg(i2c->dev, "IRQ: error i2c->state == IDLE\n");
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tmp = readl(i2c->regs + S3C2410_IICCON);
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tmp = readl(i2c->regs + S3C2410_IICCON);
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tmp &= ~S3C2410_IICCON_IRQPEND;
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writel(tmp, i2c->regs + S3C2410_IICCON);
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goto out;
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}
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/* pretty much this leaves us with the fact that we've
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* transmitted or received whatever byte we last sent */
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@ -484,7 +482,7 @@ static int s3c24xx_i2c_set_master(struct s3c24xx_i2c *i2c)
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while (timeout-- > 0) {
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iicstat = readl(i2c->regs + S3C2410_IICSTAT);
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if (!(iicstat & S3C2410_IICSTAT_BUSBUSY))
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return 0;
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@ -502,7 +500,8 @@ static int s3c24xx_i2c_set_master(struct s3c24xx_i2c *i2c)
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* this starts an i2c transfer
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*/
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static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c, struct i2c_msg *msgs, int num)
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static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c,
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struct i2c_msg *msgs, int num)
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{
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unsigned long timeout;
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int ret;
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@ -528,12 +527,12 @@ static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c, struct i2c_msg *msgs, int
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s3c24xx_i2c_enable_irq(i2c);
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s3c24xx_i2c_message_start(i2c, msgs);
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spin_unlock_irq(&i2c->lock);
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timeout = wait_event_timeout(i2c->wait, i2c->msg_num == 0, HZ * 5);
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ret = i2c->msg_idx;
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/* having these next two as dev_err() makes life very
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/* having these next two as dev_err() makes life very
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* noisy when doing an i2cdetect */
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if (timeout == 0)
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@ -642,7 +641,7 @@ static inline int freq_acceptable(unsigned int freq, unsigned int wanted)
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{
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int diff = freq - wanted;
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return (diff >= -2 && diff <= 2);
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return diff >= -2 && diff <= 2;
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}
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/* s3c24xx_i2c_clockrate
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@ -665,7 +664,7 @@ static int s3c24xx_i2c_clockrate(struct s3c24xx_i2c *i2c, unsigned int *got)
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pdata = s3c24xx_i2c_get_platformdata(i2c->adap.dev.parent);
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clkin /= 1000; /* clkin now in KHz */
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dev_dbg(i2c->dev, "pdata %p, freq %lu %lu..%lu\n",
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pdata, pdata->bus_freq, pdata->min_freq, pdata->max_freq);
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@ -773,7 +772,7 @@ static inline void s3c24xx_i2c_deregister_cpufreq(struct s3c24xx_i2c *i2c)
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/* s3c24xx_i2c_init
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*
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* initialise the controller, set the IO lines and frequency
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* initialise the controller, set the IO lines and frequency
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*/
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static int s3c24xx_i2c_init(struct s3c24xx_i2c *i2c)
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@ -792,7 +791,7 @@ static int s3c24xx_i2c_init(struct s3c24xx_i2c *i2c)
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s3c2410_gpio_cfgpin(S3C2410_GPE14, S3C2410_GPE14_IICSCL);
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/* write slave address */
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writeb(pdata->slave_addr, i2c->regs + S3C2410_IICADD);
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dev_info(i2c->dev, "slave address 0x%02x\n", pdata->slave_addr);
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@ -877,7 +876,8 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
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goto err_ioarea;
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}
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dev_dbg(&pdev->dev, "registers %p (%p, %p)\n", i2c->regs, i2c->ioarea, res);
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dev_dbg(&pdev->dev, "registers %p (%p, %p)\n",
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i2c->regs, i2c->ioarea, res);
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/* setup info block for the i2c core */
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@ -891,7 +891,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
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goto err_iomap;
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/* find the IRQ for this unit (note, this relies on the init call to
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* ensure no current IRQs pending
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* ensure no current IRQs pending
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*/
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res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
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@ -910,7 +910,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
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}
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i2c->irq = res;
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dev_dbg(&pdev->dev, "irq resource %p (%lu)\n", res,
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(unsigned long)res->start);
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