[RFC PATCH 3/3] i2c: aspeed: allow 255 byte block transfers
From: Matt Johnston <matt@codeconstruct.com.au>
Date: 2021-06-02 04:41:13
Also in:
linux-i2c
Subsystem:
arm/aspeed i2c driver, i2c subsystem, i2c subsystem host drivers, the rest · Maintainers:
Ryan Chen, Andi Shyti, Linus Torvalds
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au> --- drivers/i2c/busses/i2c-aspeed.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c
index 724bf30600d6..04cb5d08daf5 100644
--- a/drivers/i2c/busses/i2c-aspeed.c
+++ b/drivers/i2c/busses/i2c-aspeed.c@@ -533,7 +533,7 @@ static u32 aspeed_i2c_master_irq(struct aspeed_i2c_bus *bus, u32 irq_status) msg->buf[bus->buf_index++] = recv_byte; if (msg->flags & I2C_M_RECV_LEN) { - if (unlikely(recv_byte > I2C_SMBUS_BLOCK_MAX)) { + if (unlikely(recv_byte > I2C_SMBUS_V3_BLOCK_MAX)) { bus->cmd_err = -EPROTO; aspeed_i2c_do_stop(bus); goto out_no_complete;
@@ -718,7 +718,8 @@ static int aspeed_i2c_master_xfer(struct i2c_adapter *adap, static u32 aspeed_i2c_functionality(struct i2c_adapter *adap) { - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | I2C_FUNC_SMBUS_BLOCK_DATA; + return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | + I2C_FUNC_SMBUS_BLOCK_DATA | I2C_FUNC_SMBUS_V3_BLOCK; } #if IS_ENABLED(CONFIG_I2C_SLAVE)
--
2.30.2