diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-11-21 15:46:31 +0300 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-02-12 20:32:42 +0300 |
commit | 4be53dbe74818a12cc737a89b5d0aec6095956e0 (patch) | |
tree | 35b7f80ce81c7f8c42f324c982d880a2c717457e /drivers/i2c/busses/i2c-pnx.c | |
parent | 81d6724a564fa5bd20b006eae0da4462d599bb92 (diff) | |
download | linux-4be53dbe74818a12cc737a89b5d0aec6095956e0.tar.xz |
ARM: PNX4008: i2c-pnx: don't split messages across several lines
It makes them harder to grep for.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/i2c/busses/i2c-pnx.c')
-rw-r--r-- | drivers/i2c/busses/i2c-pnx.c | 81 |
1 files changed, 44 insertions, 37 deletions
diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c index 181e69211e4f..afc9c968deec 100644 --- a/drivers/i2c/busses/i2c-pnx.c +++ b/drivers/i2c/busses/i2c-pnx.c @@ -86,25 +86,26 @@ static int i2c_pnx_start(unsigned char slave_addr, /* Check for 7 bit slave addresses only */ if (slave_addr & ~0x7f) { - dev_err(&alg_data->adapter.dev, "%s: Invalid slave address %x. " - "Only 7-bit addresses are supported\n", - alg_data->adapter.name, slave_addr); + dev_err(&alg_data->adapter.dev, + "%s: Invalid slave address %x. Only 7-bit addresses are supported\n", + alg_data->adapter.name, slave_addr); return -EINVAL; } /* First, make sure bus is idle */ if (wait_timeout(I2C_PNX_TIMEOUT, alg_data)) { /* Somebody else is monopolizing the bus */ - dev_err(&alg_data->adapter.dev, "%s: Bus busy. Slave addr = %02x, " - "cntrl = %x, stat = %x\n", - alg_data->adapter.name, slave_addr, - ioread32(I2C_REG_CTL(alg_data)), - ioread32(I2C_REG_STS(alg_data))); + dev_err(&alg_data->adapter.dev, + "%s: Bus busy. Slave addr = %02x, cntrl = %x, stat = %x\n", + alg_data->adapter.name, slave_addr, + ioread32(I2C_REG_CTL(alg_data)), + ioread32(I2C_REG_STS(alg_data))); return -EBUSY; } else if (ioread32(I2C_REG_STS(alg_data)) & mstatus_afi) { /* Sorry, we lost the bus */ - dev_err(&alg_data->adapter.dev, "%s: Arbitration failure. " - "Slave addr = %02x\n", alg_data->adapter.name, slave_addr); + dev_err(&alg_data->adapter.dev, + "%s: Arbitration failure. Slave addr = %02x\n", + alg_data->adapter.name, slave_addr); return -EIO; } @@ -182,15 +183,15 @@ static int i2c_pnx_master_xmit(struct i2c_pnx_algo_data *alg_data) alg_data->mif.len--; iowrite32(val, I2C_REG_TX(alg_data)); - dev_dbg(&alg_data->adapter.dev, "%s(): xmit %#x [%d]\n", __func__, - val, alg_data->mif.len + 1); + dev_dbg(&alg_data->adapter.dev, "%s(): xmit %#x [%d]\n", + __func__, val, alg_data->mif.len + 1); if (alg_data->mif.len == 0) { if (alg_data->last) { /* Wait until the STOP is seen. */ if (wait_timeout(I2C_PNX_TIMEOUT, alg_data)) - dev_err(&alg_data->adapter.dev, "The bus is still " - "active after timeout\n"); + dev_err(&alg_data->adapter.dev, + "The bus is still active after timeout\n"); } /* Disable master interrupts */ iowrite32(ioread32(I2C_REG_CTL(alg_data)) & @@ -199,7 +200,8 @@ static int i2c_pnx_master_xmit(struct i2c_pnx_algo_data *alg_data) del_timer_sync(&alg_data->mif.timer); - dev_dbg(&alg_data->adapter.dev, "%s(): Waking up xfer routine.\n", + dev_dbg(&alg_data->adapter.dev, + "%s(): Waking up xfer routine.\n", __func__); complete(&alg_data->mif.complete); @@ -215,8 +217,9 @@ static int i2c_pnx_master_xmit(struct i2c_pnx_algo_data *alg_data) /* Stop timer. */ del_timer_sync(&alg_data->mif.timer); - dev_dbg(&alg_data->adapter.dev, "%s(): Waking up xfer routine after " - "zero-xfer.\n", __func__); + dev_dbg(&alg_data->adapter.dev, + "%s(): Waking up xfer routine after zero-xfer.\n", + __func__); complete(&alg_data->mif.complete); } @@ -245,8 +248,9 @@ static int i2c_pnx_master_rcv(struct i2c_pnx_algo_data *alg_data) * or we didn't 'ask' for it yet. */ if (ioread32(I2C_REG_STS(alg_data)) & mstatus_rfe) { - dev_dbg(&alg_data->adapter.dev, "%s(): Write dummy data to fill " - "Rx-fifo...\n", __func__); + dev_dbg(&alg_data->adapter.dev, + "%s(): Write dummy data to fill Rx-fifo...\n", + __func__); if (alg_data->mif.len == 1) { /* Last byte, do not acknowledge next rcv. */ @@ -278,16 +282,16 @@ static int i2c_pnx_master_rcv(struct i2c_pnx_algo_data *alg_data) if (alg_data->mif.len > 0) { val = ioread32(I2C_REG_RX(alg_data)); *alg_data->mif.buf++ = (u8) (val & 0xff); - dev_dbg(&alg_data->adapter.dev, "%s(): rcv 0x%x [%d]\n", __func__, val, - alg_data->mif.len); + dev_dbg(&alg_data->adapter.dev, "%s(): rcv 0x%x [%d]\n", + __func__, val, alg_data->mif.len); alg_data->mif.len--; if (alg_data->mif.len == 0) { if (alg_data->last) /* Wait until the STOP is seen. */ if (wait_timeout(I2C_PNX_TIMEOUT, alg_data)) - dev_err(&alg_data->adapter.dev, "The bus is still " - "active after timeout\n"); + dev_err(&alg_data->adapter.dev, + "The bus is still active after timeout\n"); /* Disable master interrupts */ ctl = ioread32(I2C_REG_CTL(alg_data)); @@ -312,7 +316,8 @@ static irqreturn_t i2c_pnx_interrupt(int irq, void *dev_id) struct i2c_pnx_algo_data *alg_data = dev_id; u32 stat, ctl; - dev_dbg(&alg_data->adapter.dev, "%s(): mstat = %x mctrl = %x, mode = %d\n", + dev_dbg(&alg_data->adapter.dev, + "%s(): mstat = %x mctrl = %x, mode = %d\n", __func__, ioread32(I2C_REG_STS(alg_data)), ioread32(I2C_REG_CTL(alg_data)), @@ -335,8 +340,8 @@ static irqreturn_t i2c_pnx_interrupt(int irq, void *dev_id) complete(&alg_data->mif.complete); } else if (stat & mstatus_nai) { /* Slave did not acknowledge, generate a STOP */ - dev_dbg(&alg_data->adapter.dev, "%s(): " - "Slave did not acknowledge, generating a STOP.\n", + dev_dbg(&alg_data->adapter.dev, + "%s(): Slave did not acknowledge, generating a STOP.\n", __func__); i2c_pnx_stop(alg_data); @@ -375,7 +380,8 @@ static irqreturn_t i2c_pnx_interrupt(int irq, void *dev_id) stat = ioread32(I2C_REG_STS(alg_data)); iowrite32(stat | mstatus_tdi | mstatus_afi, I2C_REG_STS(alg_data)); - dev_dbg(&alg_data->adapter.dev, "%s(): exiting, stat = %x ctrl = %x.\n", + dev_dbg(&alg_data->adapter.dev, + "%s(): exiting, stat = %x ctrl = %x.\n", __func__, ioread32(I2C_REG_STS(alg_data)), ioread32(I2C_REG_CTL(alg_data))); @@ -387,10 +393,10 @@ static void i2c_pnx_timeout(unsigned long data) struct i2c_pnx_algo_data *alg_data = (struct i2c_pnx_algo_data *)data; u32 ctl; - dev_err(&alg_data->adapter.dev, "Master timed out. stat = %04x, cntrl = %04x. " - "Resetting master...\n", - ioread32(I2C_REG_STS(alg_data)), - ioread32(I2C_REG_CTL(alg_data))); + dev_err(&alg_data->adapter.dev, + "Master timed out. stat = %04x, cntrl = %04x. Resetting master...\n", + ioread32(I2C_REG_STS(alg_data)), + ioread32(I2C_REG_CTL(alg_data))); /* Reset master and disable interrupts */ ctl = ioread32(I2C_REG_CTL(alg_data)); @@ -411,7 +417,7 @@ static inline void bus_reset_if_active(struct i2c_pnx_algo_data *alg_data) if ((stat = ioread32(I2C_REG_STS(alg_data))) & mstatus_active) { dev_err(&alg_data->adapter.dev, "%s: Bus is still active after xfer. Reset it...\n", - alg_data->adapter.name); + alg_data->adapter.name); iowrite32(ioread32(I2C_REG_CTL(alg_data)) | mcntrl_reset, I2C_REG_CTL(alg_data)); wait_reset(I2C_PNX_TIMEOUT, alg_data); @@ -445,7 +451,8 @@ i2c_pnx_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) struct i2c_pnx_algo_data *alg_data = adap->algo_data; u32 stat = ioread32(I2C_REG_STS(alg_data)); - dev_dbg(&alg_data->adapter.dev, "%s(): entering: %d messages, stat = %04x.\n", + dev_dbg(&alg_data->adapter.dev, + "%s(): entering: %d messages, stat = %04x.\n", __func__, num, ioread32(I2C_REG_STS(alg_data))); bus_reset_if_active(alg_data); @@ -472,9 +479,8 @@ i2c_pnx_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) alg_data->mif.ret = 0; alg_data->last = (i == num - 1); - dev_dbg(&alg_data->adapter.dev, "%s(): mode %d, %d bytes\n", __func__, - alg_data->mif.mode, - alg_data->mif.len); + dev_dbg(&alg_data->adapter.dev, "%s(): mode %d, %d bytes\n", + __func__, alg_data->mif.mode, alg_data->mif.len); i2c_pnx_arm_timer(alg_data); @@ -496,7 +502,8 @@ i2c_pnx_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) if (!(rc = alg_data->mif.ret)) completed++; - dev_dbg(&alg_data->adapter.dev, "%s(): Complete, return code = %d.\n", + dev_dbg(&alg_data->adapter.dev, + "%s(): Complete, return code = %d.\n", __func__, rc); /* Clear TDI and AFI bits in case they are set. */ |