diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-designware-platdrv.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-designware-platdrv.c | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 3b7d58c2fe85..cb494273bb60 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -219,28 +219,6 @@ static void i2c_dw_configure_slave(struct dw_i2c_dev *dev) dev->mode = DW_IC_SLAVE; } -static void dw_i2c_set_fifo_size(struct dw_i2c_dev *dev) -{ - u32 param, tx_fifo_depth, rx_fifo_depth; - - /* - * Try to detect the FIFO depth if not set by interface driver, - * the depth could be from 2 to 256 from HW spec. - */ - param = i2c_dw_read_comp_param(dev); - tx_fifo_depth = ((param >> 16) & 0xff) + 1; - rx_fifo_depth = ((param >> 8) & 0xff) + 1; - if (!dev->tx_fifo_depth) { - dev->tx_fifo_depth = tx_fifo_depth; - dev->rx_fifo_depth = rx_fifo_depth; - } else if (tx_fifo_depth >= 2) { - dev->tx_fifo_depth = min_t(u32, dev->tx_fifo_depth, - tx_fifo_depth); - dev->rx_fifo_depth = min_t(u32, dev->rx_fifo_depth, - rx_fifo_depth); - } -} - static void dw_i2c_plat_pm_cleanup(struct dw_i2c_dev *dev) { pm_runtime_disable(dev->dev); @@ -362,8 +340,6 @@ static int dw_i2c_plat_probe(struct platform_device *pdev) div_u64(clk_khz * t->sda_hold_ns + 500000, 1000000); } - dw_i2c_set_fifo_size(dev); - adap = &dev->adapter; adap->owner = THIS_MODULE; adap->class = I2C_CLASS_DEPRECATED; |