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(parent: 6bd881c) | patch
i2c: dev: Handle 255 byte blocks for i2c ioctl
authorMatt Johnston <matt@codeconstruct.com.au>
Mon, 15 Nov 2021 02:49:22 +0000 (10:49 +0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 15 Nov 2021 14:11:24 +0000 (14:11 +0000)
commit817205979f01971c840f02734aef00bea311b6b0
tree3beaf1ebf78e6a4330445b81b4dba7b78dc8b453tree | snapshot
parent6bd881c6d33aea55d7130a20a25635514ec2aa80commit | diff
i2c: dev: Handle 255 byte blocks for i2c ioctl

I2C_SMBUS is limited to 32 bytes due to compatibility with the
32 byte i2c_smbus_data.block

I2C_RDWR allows larger transfers if sufficient sized buffers are passed.

Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/i2c/i2c-dev.c diff | blob | history
include/uapi/linux/i2c-dev.h diff | blob | history
include/uapi/linux/i2c.h diff | blob | history
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