diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2018-07-23 22:26:13 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2018-10-05 18:05:37 +0200 |
| commit | e2115ace4196bcd2126446fb874bcfc90cba79be (patch) | |
| tree | 9c450b51db64f5788390c28d14dde2f4a58868e4 /drivers/i2c | |
| parent | c96c0f2683804b710531e7b754dcd02b5ded6d4a (diff) | |
| download | linux-e2115ace4196bcd2126446fb874bcfc90cba79be.tar.bz2 | |
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>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-zx2967.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-zx2967.c b/drivers/i2c/busses/i2c-zx2967.c index 48281c1b30c6..b8f9e020d80e 100644 --- a/drivers/i2c/busses/i2c-zx2967.c +++ b/drivers/i2c/busses/i2c-zx2967.c @@ -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; |