This driver does not support reading more than 255 bytes at once because
the register for storing the number of bytes to read is only 8 bits. Add
a max_read_len quirk to enforce this.
Signed-off-by: Robert Hancock <hancock@xxxxxxxxxxxxx>
---
drivers/i2c/busses/i2c-xiic.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
index 0fea7c5..37b3b93 100644
--- a/drivers/i2c/busses/i2c-xiic.c
+++ b/drivers/i2c/busses/i2c-xiic.c
@@ -709,11 +709,16 @@ static u32 xiic_func(struct i2c_adapter *adap)
.functionality = xiic_func,
};
+static const struct i2c_adapter_quirks xiic_quirks = {
+ .max_read_len = 255,
+};
+
static const struct i2c_adapter xiic_adapter = {
.owner = THIS_MODULE,
.name = DRIVER_NAME,
.class = I2C_CLASS_DEPRECATED,
.algo = &xiic_algorithm,
+ .quirks = &xiic_quirks,
};
--
1.8.3.1
