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| author | James Morris <jmorris@namei.org> | 2018-02-21 08:21:41 -0800 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2018-02-21 08:21:41 -0800 |
| commit | a02633e9b13dcb9b1a656b08f81bc8ba2d4d2294 (patch) | |
| tree | 3d5ef56eee3117cd61812759a255fa293d8044b8 /include/uapi/linux/i2c.h | |
| parent | d21bd6898336a7892914d308d5e0868f0b863571 (diff) | |
| parent | 91ab883eb21325ad80f3473633f794c78ac87f51 (diff) | |
Merge tag 'v4.16-rc2' into next-general
Sync to Linux 4.16-rc2 for developers to work against.
Diffstat (limited to 'include/uapi/linux/i2c.h')
| -rw-r--r-- | include/uapi/linux/i2c.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/uapi/linux/i2c.h b/include/uapi/linux/i2c.h index fe648032d6b9..f71a1751cacf 100644 --- a/include/uapi/linux/i2c.h +++ b/include/uapi/linux/i2c.h @@ -72,6 +72,9 @@ struct i2c_msg { #define I2C_M_RD 0x0001 /* read data, from slave to master */ /* I2C_M_RD is guaranteed to be 0x0001! */ #define I2C_M_TEN 0x0010 /* this is a ten bit chip address */ +#define I2C_M_DMA_SAFE 0x0200 /* the buffer of this message is DMA safe */ + /* makes only sense in kernelspace */ + /* userspace buffers are copied anyway */ #define I2C_M_RECV_LEN 0x0400 /* length will be first received byte */ #define I2C_M_NO_RD_ACK 0x0800 /* if I2C_FUNC_PROTOCOL_MANGLING */ #define I2C_M_IGNORE_NAK 0x1000 /* if I2C_FUNC_PROTOCOL_MANGLING */ |