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Commit 205ae6b0 authored by Wolfram Sang's avatar Wolfram Sang Committed by Greg Kroah-Hartman
Browse files

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



[ Upstream commit e2115ace4196bcd2126446fb874bcfc90cba79be ]

And don't reimplement in the driver.

Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: default avatarShawn Guo <shawnguo@kernel.org>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 1698ed9f

drivers/i2c/busses/i2c-zx2967.c

+5 −3
Original line number Diff line number Diff line
@@ -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;