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-rw-r--r--include/linux/i2c.h13
-rw-r--r--include/uapi/linux/i2c-dev.h2
-rw-r--r--include/uapi/linux/i2c.h7
3 files changed, 1 insertions, 21 deletions
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 353d6b4e7a53..16119ac1aa97 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -52,19 +52,6 @@ typedef int (*i2c_slave_cb_t)(struct i2c_client *client,
struct module;
struct property_entry;
-/* SMBus 3.0 extends the maximum block read/write size to 255 (from 32).
- * The larger size is only supported by some drivers, indicated by
- * the I2C_FUNC_SMBUS_V3_BLOCK functionality bit.
- */
-#define I2C_SMBUS_V3_BLOCK_MAX 255 /* As specified in SMBus 3.0 standard */
-
-/* Note compatibility definition in uapi header with 32 byte block */
-union i2c_smbus_data {
- __u8 byte;
- __u16 word;
- __u8 block[I2C_SMBUS_V3_BLOCK_MAX + 1]; /* block[0] is used for length */
-};
-
#if IS_ENABLED(CONFIG_I2C)
/* Return the Frequency mode string based on the bus frequency */
const char *i2c_freq_mode_string(u32 bus_freq_hz);
diff --git a/include/uapi/linux/i2c-dev.h b/include/uapi/linux/i2c-dev.h
index 46ce31d42f7d..1c4cec4ddd84 100644
--- a/include/uapi/linux/i2c-dev.h
+++ b/include/uapi/linux/i2c-dev.h
@@ -39,14 +39,12 @@
/* This is the structure as used in the I2C_SMBUS ioctl call */
-#ifndef __KERNEL__
struct i2c_smbus_ioctl_data {
__u8 read_write;
__u8 command;
__u32 size;
union i2c_smbus_data __user *data;
};
-#endif
/* This is the structure as used in the I2C_RDWR ioctl call */
struct i2c_rdwr_ioctl_data {
diff --git a/include/uapi/linux/i2c.h b/include/uapi/linux/i2c.h
index c3534ab1ae53..92326ebde350 100644
--- a/include/uapi/linux/i2c.h
+++ b/include/uapi/linux/i2c.h
@@ -108,9 +108,6 @@ struct i2c_msg {
#define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* I2C-like block xfer */
#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* w/ 1-byte reg. addr. */
#define I2C_FUNC_SMBUS_HOST_NOTIFY 0x10000000 /* SMBus 2.0 or later */
-#define I2C_FUNC_SMBUS_V3_BLOCK 0x20000000 /* Device supports 255 byte block */
- /* Note that I2C_SMBUS ioctl only */
- /* supports a 32 byte block */
#define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE | \
I2C_FUNC_SMBUS_WRITE_BYTE)
@@ -140,15 +137,13 @@ struct i2c_msg {
/*
* Data for SMBus Messages
*/
-#define I2C_SMBUS_BLOCK_MAX 32 /* As specified in SMBus 2.0 standard */
-#ifndef __KERNEL__
+#define I2C_SMBUS_BLOCK_MAX 32 /* As specified in SMBus standard */
union i2c_smbus_data {
__u8 byte;
__u16 word;
__u8 block[I2C_SMBUS_BLOCK_MAX + 2]; /* block[0] is used for length */
/* and one more for user-space compatibility */
};
-#endif
/* i2c_smbus_xfer read or write markers */
#define I2C_SMBUS_READ 1