From 6fd60fa97b706e52abba7c9f810b148aa230817f Mon Sep 17 00:00:00 2001 From: Russell King Date: Thu, 8 Sep 2005 21:04:58 +0100 Subject: [PATCH] [I2C] Clean up i2c-pxa debugging/printks Fix up comments made by review by gregkh. Signed-off-by: Russell King --- drivers/i2c/busses/i2c-pxa.c | 75 ++++++++++++++++-------------------- 1 file changed, 33 insertions(+), 42 deletions(-) diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index a72d283652..fdf53ce042 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -60,17 +60,6 @@ struct pxa_i2c { */ #define I2C_PXA_SLAVE_ADDR 0x1 -/* - * Set this to zero to remove all debug statements via dead code elimination. - */ -#undef DEBUG - -#if 0 -#define DBGLVL KERN_INFO -#else -#define DBGLVL KERN_DEBUG -#endif - #ifdef DEBUG struct bits { @@ -108,7 +97,7 @@ static const struct bits isr_bits[] = { static void decode_ISR(unsigned int val) { - decode_bits(DBGLVL "ISR", isr_bits, ARRAY_SIZE(isr_bits), val); + decode_bits(KERN_DEBUG "ISR", isr_bits, ARRAY_SIZE(isr_bits), val); printk("\n"); } @@ -132,7 +121,7 @@ static const struct bits icr_bits[] = { static void decode_ICR(unsigned int val) { - decode_bits(DBGLVL "ICR", icr_bits, ARRAY_SIZE(icr_bits), val); + decode_bits(KERN_DEBUG "ICR", icr_bits, ARRAY_SIZE(icr_bits), val); printk("\n"); } @@ -140,7 +129,7 @@ static unsigned int i2c_debug = DEBUG; static void i2c_pxa_show_state(struct pxa_i2c *i2c, int lno, const char *fname) { - printk(DBGLVL "state:%s:%d: ISR=%08x, ICR=%08x, IBMR=%02x\n", fname, lno, ISR, ICR, IBMR); + dev_dbg(&i2c->adap.dev, "state:%s:%d: ISR=%08x, ICR=%08x, IBMR=%02x\n", fname, lno, ISR, ICR, IBMR); } #define show_state(i2c) i2c_pxa_show_state(i2c, __LINE__, __FUNCTION__) @@ -152,7 +141,7 @@ static void i2c_pxa_show_state(struct pxa_i2c *i2c, int lno, const char *fname) #define decode_ICR(val) do { } while (0) #endif -#define eedbg(lvl, x...) do { if ((lvl) < 1) { printk(DBGLVL "" x); } } while(0) +#define eedbg(lvl, x...) do { if ((lvl) < 1) { printk(KERN_DEBUG "" x); } } while(0) static void i2c_pxa_master_complete(struct pxa_i2c *i2c, int ret); @@ -162,7 +151,8 @@ static void i2c_pxa_scream_blue_murder(struct pxa_i2c *i2c, const char *why) printk("i2c: error: %s\n", why); printk("i2c: msg_num: %d msg_idx: %d msg_ptr: %d\n", i2c->msg_num, i2c->msg_idx, i2c->msg_ptr); - printk("i2c: ICR: %08x ISR: %08x\ni2c: log: ", ICR, ISR); + printk("i2c: ICR: %08x ISR: %08x\n" + "i2c: log: ", ICR, ISR); for (i = 0; i < i2c->irqlogidx; i++) printk("[%08x:%08x] ", i2c->isrlog[i], i2c->icrlog[i]); printk("\n"); @@ -178,7 +168,7 @@ static void i2c_pxa_abort(struct pxa_i2c *i2c) unsigned long timeout = jiffies + HZ/4; if (i2c_pxa_is_slavemode(i2c)) { - printk(DBGLVL "i2c_pxa_transfer: called in slave mode\n"); + dev_dbg(&i2c->adap.dev, "%s: called in slave mode\n", __func__); return; } @@ -222,12 +212,12 @@ static int i2c_pxa_wait_master(struct pxa_i2c *i2c) while (time_before(jiffies, timeout)) { if (i2c_debug > 1) - printk(DBGLVL "i2c_pxa_wait_master: %ld: ISR=%08x, ICR=%08x, IBMR=%02x\n", - (long)jiffies, ISR, ICR, IBMR); + dev_dbg(&i2c->adap.dev, "%s: %ld: ISR=%08x, ICR=%08x, IBMR=%02x\n", + __func__, (long)jiffies, ISR, ICR, IBMR); if (ISR & ISR_SAD) { if (i2c_debug > 0) - printk(DBGLVL "i2c_pxa_wait_master: Slave detected\n"); + dev_dbg(&i2c->adap.dev, "%s: Slave detected\n", __func__); goto out; } @@ -237,7 +227,7 @@ static int i2c_pxa_wait_master(struct pxa_i2c *i2c) */ if ((ISR & (ISR_UB | ISR_IBB)) == 0 && IBMR == 3) { if (i2c_debug > 0) - printk(DBGLVL "i2c_pxa_wait_master: done\n"); + dev_dbg(&i2c->adap.dev, "%s: done\n", __func__); return 1; } @@ -245,7 +235,7 @@ static int i2c_pxa_wait_master(struct pxa_i2c *i2c) } if (i2c_debug > 0) - printk(DBGLVL "i2c_pxa_wait_master: did not free\n"); + dev_dbg(&i2c->adap.dev, "%s: did not free\n", __func__); out: return 0; } @@ -253,12 +243,12 @@ static int i2c_pxa_wait_master(struct pxa_i2c *i2c) static int i2c_pxa_set_master(struct pxa_i2c *i2c) { if (i2c_debug) - printk(DBGLVL "I2C: setting to bus master\n"); + dev_dbg(&i2c->adap.dev, "setting to bus master\n"); if ((ISR & (ISR_UB | ISR_IBB)) != 0) { - printk(DBGLVL "set_master: unit is busy\n"); + dev_dbg(&i2c->adap.dev, "%s: unit is busy\n", __func__); if (!i2c_pxa_wait_master(i2c)) { - printk(DBGLVL "set_master: error: unit busy\n"); + dev_dbg(&i2c->adap.dev, "%s: error: unit busy\n", __func__); return I2C_RETRY; } } @@ -278,13 +268,13 @@ static int i2c_pxa_wait_slave(struct pxa_i2c *i2c) while (time_before(jiffies, timeout)) { if (i2c_debug > 1) - printk(DBGLVL "i2c_pxa_wait_slave: %ld: ISR=%08x, ICR=%08x, IBMR=%02x\n", - (long)jiffies, ISR, ICR, IBMR); + dev_dbg(&i2c->adap.dev, "%s: %ld: ISR=%08x, ICR=%08x, IBMR=%02x\n", + __func__, (long)jiffies, ISR, ICR, IBMR); if ((ISR & (ISR_UB|ISR_IBB|ISR_SAD)) == ISR_SAD || (ICR & ICR_SCLE) == 0) { if (i2c_debug > 1) - printk(DBGLVL "i2c_pxa_wait_slave: done\n"); + dev_dbg(&i2c->adap.dev, "%s: done\n", __func__); return 1; } @@ -292,7 +282,7 @@ static int i2c_pxa_wait_slave(struct pxa_i2c *i2c) } if (i2c_debug > 0) - printk(DBGLVL "i2c_pxa_wait_slave: did not free\n"); + dev_dbg(&i2c->adap.dev, "%s: did not free\n", __func__); return 0; } @@ -316,7 +306,8 @@ static void i2c_pxa_set_slave(struct pxa_i2c *i2c, int errcode) } if (!i2c_pxa_wait_slave(i2c)) { - printk(KERN_ERR "i2c_pxa_set_slave: wait timedout\n"); + dev_err(&i2c->adap.dev, "%s: wait timedout\n", + __func__); return; } } @@ -325,7 +316,7 @@ static void i2c_pxa_set_slave(struct pxa_i2c *i2c, int errcode) ICR &= ~ICR_SCLE; if (i2c_debug) { - printk(DBGLVL "ICR now %08x, ISR %08x\n", ICR, ISR); + dev_dbg(&i2c->adap.dev, "ICR now %08x, ISR %08x\n", ICR, ISR); decode_ICR(ICR); } } @@ -351,7 +342,7 @@ static void i2c_pxa_reset(struct pxa_i2c *i2c) ICR = I2C_ICR_INIT; #ifdef CONFIG_I2C_PXA_SLAVE - printk(KERN_INFO "I2C: Enabling slave mode\n"); + dev_info(&i2c->adap.dev, "Enabling slave mode\n"); ICR |= ICR_SADIE | ICR_ALDIE | ICR_SSDIE; #endif @@ -522,7 +513,7 @@ static void i2c_pxa_slave_start(struct pxa_i2c *i2c, u32 isr) int timeout; if (i2c_debug > 0) - printk(DBGLVL "I2C: SAD, mode is slave-%cx\n", + dev_dbg(&i2c->adap.dev, "SAD, mode is slave-%cx\n", (isr & ISR_RWM) ? 'r' : 't'); if (i2c->slave != NULL) @@ -546,7 +537,7 @@ static void i2c_pxa_slave_start(struct pxa_i2c *i2c, u32 isr) timeout--; if (timeout <= 0) { - printk(KERN_ERR "timeout waiting for SCL high\n"); + dev_err(&i2c->adap.dev, "timeout waiting for SCL high\n"); break; } } @@ -557,13 +548,13 @@ static void i2c_pxa_slave_start(struct pxa_i2c *i2c, u32 isr) static void i2c_pxa_slave_stop(struct pxa_i2c *i2c) { if (i2c_debug > 2) - printk(DBGLVL "ISR: SSD (Slave Stop)\n"); + dev_dbg(&i2c->adap.dev, "ISR: SSD (Slave Stop)\n"); if (i2c->slave != NULL) i2c->slave->event(i2c->slave->data, I2C_SLAVE_EVENT_STOP); if (i2c_debug > 2) - printk(DBGLVL "ISR: SSD (Slave Stop) acked\n"); + dev_dbg(&i2c->adap.dev, "ISR: SSD (Slave Stop) acked\n"); /* * If we have a master-mode message waiting, @@ -609,7 +600,7 @@ static void i2c_pxa_slave_start(struct pxa_i2c *i2c, u32 isr) timeout--; if (timeout <= 0) { - printk(KERN_ERR "timeout waiting for SCL high\n"); + dev_err(&i2c->adap.dev, "timeout waiting for SCL high\n"); break; } } @@ -667,7 +658,7 @@ static int i2c_pxa_do_xfer(struct pxa_i2c *i2c, struct i2c_msg *msg, int num) */ ret = i2c_pxa_wait_bus_not_busy(i2c); if (ret) { - printk(KERN_INFO "i2c_pxa: timeout waiting for bus free\n"); + dev_err(&i2c->adap.dev, "i2c_pxa: timeout waiting for bus free\n"); goto out; } @@ -676,7 +667,7 @@ static int i2c_pxa_do_xfer(struct pxa_i2c *i2c, struct i2c_msg *msg, int num) */ ret = i2c_pxa_set_master(i2c); if (ret) { - printk(KERN_INFO "i2c_pxa_set_master: error %d\n", ret); + dev_err(&i2c->adap.dev, "i2c_pxa_set_master: error %d\n", ret); goto out; } @@ -864,8 +855,8 @@ static irqreturn_t i2c_pxa_handler(int this_irq, void *dev_id, struct pt_regs *r u32 isr = ISR; if (i2c_debug > 2 && 0) { - printk(DBGLVL "i2c_pxa_handler: ISR=%08x, ICR=%08x, IBMR=%02x\n", - isr, ICR, IBMR); + dev_dbg(&i2c->adap.dev, "%s: ISR=%08x, ICR=%08x, IBMR=%02x\n", + __func__, isr, ICR, IBMR); decode_ISR(isr); } @@ -913,7 +904,7 @@ static int i2c_pxa_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num goto out; if (i2c_debug) - printk(KERN_INFO "Retrying transmission\n"); + dev_dbg(&adap->dev, "Retrying transmission\n"); udelay(100); } i2c_pxa_scream_blue_murder(i2c, "exhausted retries"); -- 2.39.5