From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Dooks Subject: [patch 3/9] i2c-s3c2410: fixup style problems from checkpatch.pl Date: Fri, 31 Oct 2008 16:04:23 +0000 Message-ID: <20081031160437.041882772@fluff.org.uk> References: <20081031160420.164160051@fluff.org.uk> Return-path: Content-Disposition: inline; filename=simtec/s3c64xx/i2c-fix-checkpatch-problems.patch Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Ben Dooks List-Id: linux-i2c@vger.kernel.org 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 Index: linux.git/drivers/i2c/busses/i2c-s3c2410.c =================================================================== --- linux.git.orig/drivers/i2c/busses/i2c-s3c2410.c 2008-10-31 11:55:49.000000000 +0000 +++ linux.git/drivers/i2c/busses/i2c-s3c2410.c 2008-10-31 11:55:50.000000000 +0000 @@ -110,7 +110,8 @@ static inline int s3c24xx_i2c_is2440(str * the default if there is none */ -static inline struct s3c2410_platform_i2c *s3c24xx_i2c_get_platformdata(struct device *dev) +static inline struct s3c2410_platform_i2c * +s3c24xx_i2c_get_platformdata(struct device *dev) { if (dev->platform_data != NULL) return (struct s3c2410_platform_i2c *)dev->platform_data; @@ -130,7 +131,7 @@ static inline void s3c24xx_i2c_master_co i2c->msg_ptr = 0; i2c->msg = NULL; - i2c->msg_idx ++; + i2c->msg_idx++; i2c->msg_num = 0; if (ret) i2c->msg_idx = ret; @@ -141,19 +142,17 @@ static inline void s3c24xx_i2c_master_co static inline void s3c24xx_i2c_disable_ack(struct s3c24xx_i2c *i2c) { unsigned long tmp; - + tmp = readl(i2c->regs + S3C2410_IICCON); writel(tmp & ~S3C2410_IICCON_ACKEN, i2c->regs + S3C2410_IICCON); - } static inline void s3c24xx_i2c_enable_ack(struct s3c24xx_i2c *i2c) { unsigned long tmp; - + tmp = readl(i2c->regs + S3C2410_IICCON); writel(tmp | S3C2410_IICCON_ACKEN, i2c->regs + S3C2410_IICCON); - } /* irq enable/disable functions */ @@ -161,7 +160,7 @@ static inline void s3c24xx_i2c_enable_ac static inline void s3c24xx_i2c_disable_irq(struct s3c24xx_i2c *i2c) { unsigned long tmp; - + tmp = readl(i2c->regs + S3C2410_IICCON); writel(tmp & ~S3C2410_IICCON_IRQEN, i2c->regs + S3C2410_IICCON); } @@ -169,7 +168,7 @@ static inline void s3c24xx_i2c_disable_i static inline void s3c24xx_i2c_enable_irq(struct s3c24xx_i2c *i2c) { unsigned long tmp; - + tmp = readl(i2c->regs + S3C2410_IICCON); writel(tmp | S3C2410_IICCON_IRQEN, i2c->regs + S3C2410_IICCON); } @@ -177,10 +176,10 @@ static inline void s3c24xx_i2c_enable_ir /* s3c24xx_i2c_message_start * - * put the start of a message onto the bus + * put the start of a message onto the bus */ -static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c, +static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c, struct i2c_msg *msg) { unsigned int addr = (msg->addr & 0x7f) << 1; @@ -199,15 +198,15 @@ static void s3c24xx_i2c_message_start(st if (msg->flags & I2C_M_REV_DIR_ADDR) addr ^= 1; - // todo - check for wether ack wanted or not + /* todo - check for wether ack wanted or not */ s3c24xx_i2c_enable_ack(i2c); iiccon = readl(i2c->regs + S3C2410_IICCON); writel(stat, i2c->regs + S3C2410_IICSTAT); - + dev_dbg(i2c->dev, "START: %08lx to IICSTAT, %02x to DS\n", stat, addr); writeb(addr, i2c->regs + S3C2410_IICDS); - + /* delay here to ensure the data byte has gotten onto the bus * before the transaction is started */ @@ -215,8 +214,8 @@ static void s3c24xx_i2c_message_start(st dev_dbg(i2c->dev, "iiccon, %08lx\n", iiccon); writel(iiccon, i2c->regs + S3C2410_IICCON); - - stat |= S3C2410_IICSTAT_START; + + stat |= S3C2410_IICSTAT_START; writel(stat, i2c->regs + S3C2410_IICSTAT); } @@ -227,11 +226,11 @@ static inline void s3c24xx_i2c_stop(stru dev_dbg(i2c->dev, "STOP\n"); /* stop the transfer */ - iicstat &= ~ S3C2410_IICSTAT_START; + iicstat &= ~S3C2410_IICSTAT_START; writel(iicstat, i2c->regs + S3C2410_IICSTAT); - + i2c->state = STATE_STOP; - + s3c24xx_i2c_master_complete(i2c, ret); s3c24xx_i2c_disable_irq(i2c); } @@ -241,7 +240,7 @@ static inline void s3c24xx_i2c_stop(stru /* is_lastmsg() * - * returns TRUE if the current message is the last in the set + * returns TRUE if the current message is the last in the set */ static inline int is_lastmsg(struct s3c24xx_i2c *i2c) @@ -289,14 +288,14 @@ static int i2s_s3c_irq_nextbyte(struct s case STATE_STOP: dev_err(i2c->dev, "%s: called in STATE_STOP\n", __func__); - s3c24xx_i2c_disable_irq(i2c); + s3c24xx_i2c_disable_irq(i2c); goto out_ack; case STATE_START: /* last thing we did was send a start condition on the * bus, or started a new i2c message */ - + if (iicstat & S3C2410_IICSTAT_LASTBIT && !(i2c->msg->flags & I2C_M_IGNORE_NAK)) { /* ack was not received... */ @@ -322,7 +321,7 @@ static int i2s_s3c_irq_nextbyte(struct s if (i2c->state == STATE_READ) goto prepare_read; - /* fall through to the write state, as we will need to + /* fall through to the write state, as we will need to * send a byte as well */ case STATE_WRITE: @@ -339,7 +338,7 @@ static int i2s_s3c_irq_nextbyte(struct s } } - retry_write: + retry_write: if (!is_msgend(i2c)) { byte = i2c->msg->buf[i2c->msg_ptr++]; @@ -359,9 +358,9 @@ static int i2s_s3c_irq_nextbyte(struct s dev_dbg(i2c->dev, "WRITE: Next Message\n"); i2c->msg_ptr = 0; - i2c->msg_idx ++; + i2c->msg_idx++; i2c->msg++; - + /* check to see if we need to do another message */ if (i2c->msg->flags & I2C_M_NOSTART) { @@ -375,7 +374,6 @@ static int i2s_s3c_irq_nextbyte(struct s goto retry_write; } else { - /* send the new start */ s3c24xx_i2c_message_start(i2c, i2c->msg); i2c->state = STATE_START; @@ -389,7 +387,7 @@ static int i2s_s3c_irq_nextbyte(struct s break; case STATE_READ: - /* we have a byte of data in the data register, do + /* we have a byte of data in the data register, do * something with it, and then work out wether we are * going to do any more read/write */ @@ -397,13 +395,13 @@ static int i2s_s3c_irq_nextbyte(struct s byte = readb(i2c->regs + S3C2410_IICDS); i2c->msg->buf[i2c->msg_ptr++] = byte; - prepare_read: + prepare_read: if (is_msglast(i2c)) { /* last byte of buffer */ if (is_lastmsg(i2c)) s3c24xx_i2c_disable_ack(i2c); - + } else if (is_msgend(i2c)) { /* ok, we've read the entire buffer, see if there * is anything else we need to do */ @@ -429,7 +427,7 @@ static int i2s_s3c_irq_nextbyte(struct s /* acknowlegde the IRQ and get back on with the work */ out_ack: - tmp = readl(i2c->regs + S3C2410_IICCON); + tmp = readl(i2c->regs + S3C2410_IICCON); tmp &= ~S3C2410_IICCON_IRQPEND; writel(tmp, i2c->regs + S3C2410_IICCON); out: @@ -450,19 +448,19 @@ static irqreturn_t s3c24xx_i2c_irq(int i status = readl(i2c->regs + S3C2410_IICSTAT); if (status & S3C2410_IICSTAT_ARBITR) { - // deal with arbitration loss + /* deal with arbitration loss */ dev_err(i2c->dev, "deal with arbitration loss\n"); } if (i2c->state == STATE_IDLE) { dev_dbg(i2c->dev, "IRQ: error i2c->state == IDLE\n"); - tmp = readl(i2c->regs + S3C2410_IICCON); + tmp = readl(i2c->regs + S3C2410_IICCON); tmp &= ~S3C2410_IICCON_IRQPEND; writel(tmp, i2c->regs + S3C2410_IICCON); goto out; } - + /* pretty much this leaves us with the fact that we've * transmitted or received whatever byte we last sent */ @@ -485,7 +483,7 @@ static int s3c24xx_i2c_set_master(struct while (timeout-- > 0) { iicstat = readl(i2c->regs + S3C2410_IICSTAT); - + if (!(iicstat & S3C2410_IICSTAT_BUSBUSY)) return 0; @@ -503,7 +501,8 @@ static int s3c24xx_i2c_set_master(struct * this starts an i2c transfer */ -static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c, struct i2c_msg *msgs, int num) +static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c, + struct i2c_msg *msgs, int num) { unsigned long timeout; int ret; @@ -529,12 +528,12 @@ static int s3c24xx_i2c_doxfer(struct s3c s3c24xx_i2c_enable_irq(i2c); s3c24xx_i2c_message_start(i2c, msgs); spin_unlock_irq(&i2c->lock); - + timeout = wait_event_timeout(i2c->wait, i2c->msg_num == 0, HZ * 5); ret = i2c->msg_idx; - /* having these next two as dev_err() makes life very + /* having these next two as dev_err() makes life very * noisy when doing an i2cdetect */ if (timeout == 0) @@ -643,7 +642,7 @@ static inline int freq_acceptable(unsign { int diff = freq - wanted; - return (diff >= -2 && diff <= 2); + return diff >= -2 && diff <= 2; } /* s3c24xx_i2c_clockrate @@ -666,7 +665,7 @@ static int s3c24xx_i2c_clockrate(struct pdata = s3c24xx_i2c_get_platformdata(i2c->adap.dev.parent); clkin /= 1000; /* clkin now in KHz */ - + dev_dbg(i2c->dev, "pdata %p, freq %lu %lu..%lu\n", pdata, pdata->bus_freq, pdata->min_freq, pdata->max_freq); @@ -774,7 +773,7 @@ static inline void s3c24xx_i2c_deregiste /* s3c24xx_i2c_init * - * initialise the controller, set the IO lines and frequency + * initialise the controller, set the IO lines and frequency */ static int s3c24xx_i2c_init(struct s3c24xx_i2c *i2c) @@ -793,7 +792,7 @@ static int s3c24xx_i2c_init(struct s3c24 s3c2410_gpio_cfgpin(S3C2410_GPE14, S3C2410_GPE14_IICSCL); /* write slave address */ - + writeb(pdata->slave_addr, i2c->regs + S3C2410_IICADD); dev_info(i2c->dev, "slave address 0x%02x\n", pdata->slave_addr); @@ -878,7 +877,8 @@ static int s3c24xx_i2c_probe(struct plat goto err_ioarea; } - dev_dbg(&pdev->dev, "registers %p (%p, %p)\n", i2c->regs, i2c->ioarea, res); + dev_dbg(&pdev->dev, "registers %p (%p, %p)\n", + i2c->regs, i2c->ioarea, res); /* setup info block for the i2c core */ @@ -892,7 +892,7 @@ static int s3c24xx_i2c_probe(struct plat goto err_iomap; /* find the IRQ for this unit (note, this relies on the init call to - * ensure no current IRQs pending + * ensure no current IRQs pending */ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); @@ -911,7 +911,7 @@ static int s3c24xx_i2c_probe(struct plat } i2c->irq = res; - + dev_dbg(&pdev->dev, "irq resource %p (%lu)\n", res, (unsigned long)res->start); -- Ben (ben-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org, http://www.fluff.org/) 'a smiley only costs 4 bytes'