Commit 5627f158 authored by Wolfram Sang's avatar Wolfram Sang Committed by Andi Shyti
Browse files

i2c: sprd: reword according to newest specification



Change the wording of this driver wrt. the newest I2C v7 and SMBus 3.2
specifications and replace "master/slave" with more appropriate terms.

Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: default avatarBaolin Wang <baolin.wang@linux.alibaba.com>
Reviewed-by: default avatarAndi Shyti <andi.shyti@kernel.org>
Signed-off-by: default avatarAndi Shyti <andi.shyti@kernel.org>
parent c405861c
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+8 −8
Original line number Diff line number Diff line
@@ -283,7 +283,7 @@ static int sprd_i2c_handle_msg(struct i2c_adapter *i2c_adap,
	return i2c_dev->err;
}

static int sprd_i2c_master_xfer(struct i2c_adapter *i2c_adap,
static int sprd_i2c_xfer(struct i2c_adapter *i2c_adap,
			 struct i2c_msg *msgs, int num)
{
	struct sprd_i2c *i2c_dev = i2c_adap->algo_data;
@@ -314,7 +314,7 @@ static u32 sprd_i2c_func(struct i2c_adapter *adap)
}

static const struct i2c_algorithm sprd_i2c_algo = {
	.master_xfer = sprd_i2c_master_xfer,
	.xfer = sprd_i2c_xfer,
	.functionality = sprd_i2c_func,
};

@@ -378,12 +378,12 @@ static irqreturn_t sprd_i2c_isr_thread(int irq, void *dev_id)
		i2c_tran = i2c_dev->count;

	/*
	 * If we got one ACK from slave when writing data, and we did not
	 * If we got one ACK from target when writing data, and we did not
	 * finish this transmission (i2c_tran is not zero), then we should
	 * continue to write data.
	 *
	 * For reading data, ack is always true, if i2c_tran is not 0 which
	 * means we still need to contine to read data from slave.
	 * means we still need to contine to read data from target.
	 */
	if (i2c_tran && ack) {
		sprd_i2c_data_transfer(i2c_dev);
@@ -393,7 +393,7 @@ static irqreturn_t sprd_i2c_isr_thread(int irq, void *dev_id)
	i2c_dev->err = 0;

	/*
	 * If we did not get one ACK from slave when writing data, we should
	 * If we did not get one ACK from target when writing data, we should
	 * return -EIO to notify users.
	 */
	if (!ack)
@@ -422,7 +422,7 @@ static irqreturn_t sprd_i2c_isr(int irq, void *dev_id)
		i2c_tran = i2c_dev->count;

	/*
	 * If we did not get one ACK from slave when writing data, then we
	 * If we did not get one ACK from target when writing data, then we
	 * should finish this transmission since we got some errors.
	 *
	 * When writing data, if i2c_tran == 0 which means we have writen
@@ -653,5 +653,5 @@ static struct platform_driver sprd_i2c_driver = {

module_platform_driver(sprd_i2c_driver);

MODULE_DESCRIPTION("Spreadtrum I2C master controller driver");
MODULE_DESCRIPTION("Spreadtrum I2C controller driver");
MODULE_LICENSE("GPL v2");