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i2c: zx2967: use core to detect 'no zero length' quirk 

And don't reimplement in the driver.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
hifive-unleashed-5.1
Wolfram Sang 2018-07-23 22:26:13 +02:00 committed by Wolfram Sang
parent c96c0f2683
commit e2115ace41
1 changed files with 5 additions and 3 deletions
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8
drivers/i2c/busses/i2c-zx2967.c
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@ -281,9 +281,6 @@ static int zx2967_i2c_xfer_msg(struct zx2967_i2c *i2c,
int ret;
int i;
if (msg->len == 0)
return -EINVAL;
zx2967_i2c_flush_fifos(i2c);
i2c->cur_trans = msg->buf;
@ -498,6 +495,10 @@ static const struct i2c_algorithm zx2967_i2c_algo = {
.functionality = zx2967_i2c_func,
};
static const struct i2c_adapter_quirks zx2967_i2c_quirks = {
.flags = I2C_AQ_NO_ZERO_LEN,
};
static const struct of_device_id zx2967_i2c_of_match[] = {
{ .compatible = "zte,zx296718-i2c", },
{ },
@ -568,6 +569,7 @@ static int zx2967_i2c_probe(struct platform_device *pdev)
strlcpy(i2c->adap.name, "zx2967 i2c adapter",
sizeof(i2c->adap.name));
i2c->adap.algo = &zx2967_i2c_algo;
i2c->adap.quirks = &zx2967_i2c_quirks;
i2c->adap.nr = pdev->id;
i2c->adap.dev.parent = &pdev->dev;
i2c->adap.dev.of_node = pdev->dev.of_node;