diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2018-07-23 23:26:13 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-24 10:20:27 +0300 |
| commit | 205ae6b06288a6f08c693003d59cdb9fc6571103 (patch) | |
| tree | 5f0cbf912861cbf78174fabff64230b3438d7922 /drivers/i2c/busses/i2c-zx2967.c | |
| parent | 1698ed9f0e2f959d4eb8b8e1c5e8c7157ff273d8 (diff) | |
| download | linux-205ae6b06288a6f08c693003d59cdb9fc6571103.tar.xz | |
i2c: zx2967: use core to detect 'no zero length' quirk
[ Upstream commit e2115ace4196bcd2126446fb874bcfc90cba79be ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/i2c/busses/i2c-zx2967.c')
| -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; |