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i2c: qup: make use of the new infrastructure for quirks

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Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Tested-by: Ivan T. Ivanov <iivanov@mm-sol.com>
This commit is contained in:
Wolfram Sang 2015-01-07 12:24:10 +01:00
parent a531afdf93
commit 994647db6b
1 changed files with 10 additions and 11 deletions
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21
drivers/i2c/busses/i2c-qup.c
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@ -412,17 +412,6 @@ static int qup_i2c_read_one(struct qup_i2c_dev *qup, struct i2c_msg *msg)
unsigned long left;
int ret;
/*
* The QUP block will issue a NACK and STOP on the bus when reaching
* the end of the read, the length of the read is specified as one byte
* which limits the possible read to 256 (QUP_READ_LIMIT) bytes.
*/
if (msg->len > QUP_READ_LIMIT) {
dev_err(qup->dev, "HW not capable of reads over %d bytes\n",
QUP_READ_LIMIT);
return -EINVAL;
}
qup->msg = msg;
qup->pos = 0;
@ -534,6 +523,15 @@ static const struct i2c_algorithm qup_i2c_algo = {
.functionality = qup_i2c_func,
};
/*
* The QUP block will issue a NACK and STOP on the bus when reaching
* the end of the read, the length of the read is specified as one byte
* which limits the possible read to 256 (QUP_READ_LIMIT) bytes.
*/
static struct i2c_adapter_quirks qup_i2c_quirks = {
.max_read_len = QUP_READ_LIMIT,
};
static void qup_i2c_enable_clocks(struct qup_i2c_dev *qup)
{
clk_prepare_enable(qup->clk);
@ -670,6 +668,7 @@ static int qup_i2c_probe(struct platform_device *pdev)
i2c_set_adapdata(&qup->adap, qup);
qup->adap.algo = &qup_i2c_algo;
qup->adap.quirks = &qup_i2c_quirks;
qup->adap.dev.parent = qup->dev;
qup->adap.dev.of_node = pdev->dev.of_node;
strlcpy(qup->adap.name, "QUP I2C adapter", sizeof(qup->adap.name));