]> Pileus Git - ~andy/linux/blobdiff - drivers/i2c/busses/i2c-pnx.c
Merge commit 'v2.6.37-rc1' into for-2.6.37
[~andy/linux] / drivers / i2c / busses / i2c-pnx.c
index 247103372a066ae35fd418089f8ecaa076497211..a97e3fec814826c8676f60743025f0ba6988ca0c 100644 (file)
@@ -173,6 +173,9 @@ 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)
+                       val |= stop_bit;
+
                alg_data->mif.len--;
                iowrite32(val, I2C_REG_TX(alg_data));
 
@@ -246,6 +249,9 @@ static int i2c_pnx_master_rcv(struct i2c_pnx_algo_data *alg_data)
                        __func__);
 
                if (alg_data->mif.len == 1) {
+                       /* Last byte, do not acknowledge next rcv. */
+                       val |= stop_bit;
+
                        /*
                         * Enable interrupt RFDAIE (data in Rx fifo),
                         * and disable DRMIE (need data for Tx)
@@ -633,6 +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));