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Commit 994647db authored by Wolfram Sang's avatar Wolfram Sang
Browse files

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



Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
Tested-by: default avatarIvan T. Ivanov <iivanov@mm-sol.com>
parent a531afdf

drivers/i2c/busses/i2c-qup.c

+10 −11
Original line number Diff line number Diff line
@@ -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));