diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-pnx.c')
-rw-r--r-- | drivers/i2c/busses/i2c-pnx.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c index 2b0bd0b042d6..a97e3fec8148 100644 --- a/drivers/i2c/busses/i2c-pnx.c +++ b/drivers/i2c/busses/i2c-pnx.c @@ -22,6 +22,7 @@ #include <linux/io.h> #include <linux/err.h> #include <linux/clk.h> +#include <linux/slab.h> #include <mach/hardware.h> #include <mach/i2c.h> @@ -172,11 +173,8 @@ static int i2c_pnx_master_xmit(struct i2c_pnx_algo_data *alg_data) /* We still have something to talk about... */ val = *alg_data->mif.buf++; - if (alg_data->mif.len == 1) { + if (alg_data->mif.len == 1) val |= stop_bit; - if (!alg_data->last) - val |= start_bit; - } alg_data->mif.len--; iowrite32(val, I2C_REG_TX(alg_data)); @@ -253,8 +251,6 @@ static int i2c_pnx_master_rcv(struct i2c_pnx_algo_data *alg_data) if (alg_data->mif.len == 1) { /* Last byte, do not acknowledge next rcv. */ val |= stop_bit; - if (!alg_data->last) - val |= start_bit; /* * Enable interrupt RFDAIE (data in Rx fifo), @@ -643,6 +639,8 @@ static int __devinit i2c_pnx_probe(struct platform_device *pdev) */ tmp = ((freq / 1000) / I2C_PNX_SPEED_KHZ) / 2 - 2; + if (tmp > 0x3FF) + tmp = 0x3FF; iowrite32(tmp, I2C_REG_CKH(alg_data)); iowrite32(tmp, I2C_REG_CKL(alg_data)); |