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| author | Wolfram Sang <wsa@the-dreams.de> | 2015-01-07 12:24:10 +0100 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2015-03-13 15:10:59 +0100 |
| commit | 338f1ab6c4ea60cbc8ee57b78707d4b8d0219519 (patch) | |
| tree | c5e1ea4a17fca91e05c18e1d0da17261c2909245 /drivers/i2c/busses | |
| parent | fb3de30cd9c7e90c3e58cfe51b02c768b291873b (diff) | |
| download | lwn-338f1ab6c4ea60cbc8ee57b78707d4b8d0219519.tar.gz lwn-338f1ab6c4ea60cbc8ee57b78707d4b8d0219519.zip | |
i2c: bcm-iproc: make use of the new infrastructure for quirks
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Tested-by: Ray Jui <rjui@broadcom.com>
Diffstat (limited to 'drivers/i2c/busses')
| -rw-r--r-- | drivers/i2c/busses/i2c-bcm-iproc.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/i2c/busses/i2c-bcm-iproc.c b/drivers/i2c/busses/i2c-bcm-iproc.c index d3c89157b337..f9f2c2082151 100644 --- a/drivers/i2c/busses/i2c-bcm-iproc.c +++ b/drivers/i2c/busses/i2c-bcm-iproc.c @@ -160,14 +160,6 @@ static int bcm_iproc_i2c_xfer_single_msg(struct bcm_iproc_i2c_dev *iproc_i2c, u32 val; unsigned long time_left = msecs_to_jiffies(I2C_TIMEOUT_MESC); - /* need to reserve one byte in the FIFO for the slave address */ - if (msg->len > M_TX_RX_FIFO_SIZE - 1) { - dev_err(iproc_i2c->device, - "only support data length up to %u bytes\n", - M_TX_RX_FIFO_SIZE - 1); - return -EOPNOTSUPP; - } - /* check if bus is busy */ if (!!(readl(iproc_i2c->base + M_CMD_OFFSET) & BIT(M_CMD_START_BUSY_SHIFT))) { @@ -287,6 +279,12 @@ static const struct i2c_algorithm bcm_iproc_algo = { .functionality = bcm_iproc_i2c_functionality, }; +static struct i2c_adapter_quirks bcm_iproc_i2c_quirks = { + /* need to reserve one byte in the FIFO for the slave address */ + .max_read_len = M_TX_RX_FIFO_SIZE - 1, + .max_write_len = M_TX_RX_FIFO_SIZE - 1, +}; + static int bcm_iproc_i2c_cfg_speed(struct bcm_iproc_i2c_dev *iproc_i2c) { unsigned int bus_speed; @@ -413,6 +411,7 @@ static int bcm_iproc_i2c_probe(struct platform_device *pdev) i2c_set_adapdata(adap, iproc_i2c); strlcpy(adap->name, "Broadcom iProc I2C adapter", sizeof(adap->name)); adap->algo = &bcm_iproc_algo; + adap->quirks = &bcm_iproc_i2c_quirks; adap->dev.parent = &pdev->dev; adap->dev.of_node = pdev->dev.of_node; |