diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-bfin-twi.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-bfin-twi.c | 20 |
1 files changed, 3 insertions, 17 deletions
diff --git a/drivers/i2c/busses/i2c-bfin-twi.c b/drivers/i2c/busses/i2c-bfin-twi.c index 3b9bd9a3f2b0..e6d5162b6379 100644 --- a/drivers/i2c/busses/i2c-bfin-twi.c +++ b/drivers/i2c/busses/i2c-bfin-twi.c @@ -21,10 +21,10 @@ #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/delay.h> +#include <linux/i2c/bfin_twi.h> -#include <asm/blackfin.h> -#include <asm/portmux.h> #include <asm/irq.h> +#include <asm/portmux.h> #include <asm/bfin_twi.h> /* SMBus mode*/ @@ -65,7 +65,6 @@ static void bfin_twi_handle_interrupt(struct bfin_twi_iface *iface, /* Transmit next data */ while (iface->writeNum > 0 && (read_FIFO_STAT(iface) & XMTSTAT) != XMT_FULL) { - SSYNC(); write_XMT_DATA8(iface, *(iface->transPtr++)); iface->writeNum--; } @@ -248,7 +247,6 @@ static irqreturn_t bfin_twi_interrupt_entry(int irq, void *dev_id) /* Clear interrupt status */ write_INT_STAT(iface, twi_int_status); bfin_twi_handle_interrupt(iface, twi_int_status); - SSYNC(); } spin_unlock_irqrestore(&iface->lock, flags); return IRQ_HANDLED; @@ -294,9 +292,7 @@ static int bfin_twi_do_master_xfer(struct i2c_adapter *adap, * discarded before start a new operation. */ write_FIFO_CTL(iface, 0x3); - SSYNC(); write_FIFO_CTL(iface, 0); - SSYNC(); if (pmsg->flags & I2C_M_RD) iface->read_write = I2C_SMBUS_READ; @@ -306,7 +302,6 @@ static int bfin_twi_do_master_xfer(struct i2c_adapter *adap, if (iface->writeNum > 0) { write_XMT_DATA8(iface, *(iface->transPtr++)); iface->writeNum--; - SSYNC(); } } @@ -315,7 +310,6 @@ static int bfin_twi_do_master_xfer(struct i2c_adapter *adap, /* Interrupt mask . Enable XMT, RCV interrupt */ write_INT_MASK(iface, MCOMP | MERR | RCVSERV | XMTSERV); - SSYNC(); if (pmsg->len <= 255) write_MASTER_CTL(iface, pmsg->len << 6); @@ -329,7 +323,6 @@ static int bfin_twi_do_master_xfer(struct i2c_adapter *adap, (iface->msg_num > 1 ? RSTART : 0) | ((iface->read_write == I2C_SMBUS_READ) ? MDIR : 0) | ((CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ > 100) ? FAST : 0)); - SSYNC(); while (!iface->result) { if (!wait_for_completion_timeout(&iface->complete, @@ -453,7 +446,6 @@ int bfin_twi_do_smbus_xfer(struct i2c_adapter *adap, u16 addr, * start a new operation. */ write_FIFO_CTL(iface, 0x3); - SSYNC(); write_FIFO_CTL(iface, 0); /* clear int stat */ @@ -461,7 +453,6 @@ int bfin_twi_do_smbus_xfer(struct i2c_adapter *adap, u16 addr, /* Set Transmit device address */ write_MASTER_ADDR(iface, addr); - SSYNC(); switch (iface->cur_mode) { case TWI_I2C_MODE_STANDARDSUB: @@ -469,7 +460,6 @@ int bfin_twi_do_smbus_xfer(struct i2c_adapter *adap, u16 addr, write_INT_MASK(iface, MCOMP | MERR | ((iface->read_write == I2C_SMBUS_READ) ? RCVSERV : XMTSERV)); - SSYNC(); if (iface->writeNum + 1 <= 255) write_MASTER_CTL(iface, (iface->writeNum + 1) << 6); @@ -484,7 +474,6 @@ int bfin_twi_do_smbus_xfer(struct i2c_adapter *adap, u16 addr, case TWI_I2C_MODE_COMBINED: write_XMT_DATA8(iface, iface->command); write_INT_MASK(iface, MCOMP | MERR | RCVSERV | XMTSERV); - SSYNC(); if (iface->writeNum > 0) write_MASTER_CTL(iface, (iface->writeNum + 1) << 6); @@ -531,7 +520,6 @@ int bfin_twi_do_smbus_xfer(struct i2c_adapter *adap, u16 addr, write_INT_MASK(iface, MCOMP | MERR | ((iface->read_write == I2C_SMBUS_READ) ? RCVSERV : XMTSERV)); - SSYNC(); /* Master enable */ write_MASTER_CTL(iface, read_MASTER_CTL(iface) | MEN | @@ -539,7 +527,6 @@ int bfin_twi_do_smbus_xfer(struct i2c_adapter *adap, u16 addr, ((CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ > 100) ? FAST : 0)); break; } - SSYNC(); while (!iface->result) { if (!wait_for_completion_timeout(&iface->complete, @@ -669,7 +656,7 @@ static int i2c_bfin_twi_probe(struct platform_device *pdev) strlcpy(p_adap->name, pdev->name, sizeof(p_adap->name)); p_adap->algo = &bfin_twi_algorithm; p_adap->algo_data = iface; - p_adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD; + p_adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD | I2C_CLASS_DEPRECATED; p_adap->dev.parent = &pdev->dev; p_adap->timeout = 5 * HZ; p_adap->retries = 3; @@ -704,7 +691,6 @@ static int i2c_bfin_twi_probe(struct platform_device *pdev) /* Enable TWI */ write_CONTROL(iface, read_CONTROL(iface) | TWI_ENA); - SSYNC(); rc = i2c_add_numbered_adapter(p_adap); if (rc < 0) { |