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| author | Jens Axboe <jens.axboe@oracle.com> | 2010-04-29 07:36:24 (GMT) |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2010-04-29 07:36:24 (GMT) |
| commit | 7407cf355fdf5500430be966dbbde84a27293bad (patch) | |
| tree | 922861288ff38558ed721a79653f52b17b13bb95 /drivers/i2c/busses/i2c-pnx.c | |
| parent | 6a47dc1418682c83d603b491df1d048f73aa973e (diff) | |
| parent | 79dba2eaa771c3173957eccfd288e0e0d12e4d3f (diff) | |
| download | linux-fsl-qoriq-7407cf355fdf5500430be966dbbde84a27293bad.tar.xz | |
Merge branch 'master' into for-2.6.35
Conflicts:
fs/block_dev.c
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/i2c/busses/i2c-pnx.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-pnx.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c index 2471033..a97e3fe 100644 --- a/drivers/i2c/busses/i2c-pnx.c +++ b/drivers/i2c/busses/i2c-pnx.c @@ -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)); |