diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/scx200_acb.c | 42 |
1 files changed, 17 insertions, 25 deletions
diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c index f45779b..bfa243d 100644 --- a/drivers/i2c/busses/scx200_acb.c +++ b/drivers/i2c/busses/scx200_acb.c @@ -45,12 +45,6 @@ static int base[MAX_DEVICES] = { 0x820, 0x840 }; module_param_array(base, int, NULL, 0); MODULE_PARM_DESC(base, "Base addresses for the ACCESS.bus controllers"); -#ifdef DEBUG -#define DBG(x...) printk(KERN_DEBUG NAME ": " x) -#else -#define DBG(x...) -#endif - /* The hardware supports interrupt driven mode too, but I haven't implemented that. */ #define POLLED_MODE 1 @@ -119,8 +113,8 @@ static void scx200_acb_machine(struct scx200_acb_iface *iface, u8 status) { const char *errmsg; - DBG("state %s, status = 0x%02x\n", - scx200_acb_state_name[iface->state], status); + dev_dbg(&iface->adapter.dev, "state %s, status = 0x%02x\n", + scx200_acb_state_name[iface->state], status); if (status & ACBST_BER) { errmsg = "bus error"; @@ -209,8 +203,8 @@ static void scx200_acb_machine(struct scx200_acb_iface *iface, u8 status) return; negack: - DBG("negative acknowledge in state %s\n", - scx200_acb_state_name[iface->state]); + dev_dbg(&iface->adapter.dev, "negative ack in state %s\n", + scx200_acb_state_name[iface->state]); iface->state = state_idle; iface->result = -ENXIO; @@ -326,19 +320,15 @@ static s32 scx200_acb_smbus_xfer(struct i2c_adapter *adapter, return -EINVAL; } - DBG("size=%d, address=0x%x, command=0x%x, len=%d, read=%d\n", - size, address, command, len, rw == I2C_SMBUS_READ); + dev_dbg(&adapter->dev, + "size=%d, address=0x%x, command=0x%x, len=%d, read=%d\n", + size, address, command, len, rw); if (!len && rw == I2C_SMBUS_READ) { - dev_warn(&adapter->dev, "zero length read\n"); + dev_dbg(&adapter->dev, "zero length read\n"); return -EINVAL; } - if (len && !buffer) { - dev_warn(&adapter->dev, "nonzero length but no buffer\n"); - return -EFAULT; - } - down(&iface->sem); iface->address_byte = address<<1; @@ -375,7 +365,7 @@ static s32 scx200_acb_smbus_xfer(struct i2c_adapter *adapter, data->word = le16_to_cpu(cur_word); #ifdef DEBUG - DBG(": transfer done, result: %d", rc); + dev_dbg(&adapter->dev, "transfer done, result: %d", rc); if (buffer) { int i; printk(" data:"); @@ -412,7 +402,7 @@ static int scx200_acb_probe(struct scx200_acb_iface *iface) outb(0x70, ACBCTL2); if (inb(ACBCTL2) != 0x70) { - DBG("ACBCTL2 readback failed\n"); + pr_debug(NAME ": ACBCTL2 readback failed\n"); return -ENXIO; } @@ -420,7 +410,8 @@ static int scx200_acb_probe(struct scx200_acb_iface *iface) val = inb(ACBCTL1); if (val) { - DBG("disabled, but ACBCTL1=0x%02x\n", val); + pr_debug(NAME ": disabled, but ACBCTL1=0x%02x\n", + val); return -ENXIO; } @@ -430,7 +421,8 @@ static int scx200_acb_probe(struct scx200_acb_iface *iface) val = inb(ACBCTL1); if ((val & ACBCTL1_NMINTE) != ACBCTL1_NMINTE) { - DBG("enabled, but NMINTE won't be set, ACBCTL1=0x%02x\n", val); + pr_debug(NAME ": enabled, but NMINTE won't be set, " + "ACBCTL1=0x%02x\n", val); return -ENXIO; } @@ -464,7 +456,7 @@ static int __init scx200_acb_create(int base, int index) snprintf(description, sizeof(description), "NatSemi SCx200 ACCESS.bus [%s]", adapter->name); if (request_region(base, 8, description) == 0) { - dev_err(&adapter->dev, "can't allocate io 0x%x-0x%x\n", + printk(KERN_ERR NAME ": can't allocate io 0x%x-0x%x\n", base, base + 8-1); rc = -EBUSY; goto errout; @@ -473,14 +465,14 @@ static int __init scx200_acb_create(int base, int index) rc = scx200_acb_probe(iface); if (rc) { - dev_warn(&adapter->dev, "probe failed\n"); + printk(KERN_WARNING NAME ": probe failed\n"); goto errout; } scx200_acb_reset(iface); if (i2c_add_adapter(adapter) < 0) { - dev_err(&adapter->dev, "failed to register\n"); + printk(KERN_ERR NAME ": failed to register\n"); rc = -ENODEV; goto errout; } |
