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Searched refs:I2C_M_DMA_SAFE (Results 1 – 9 of 9) sorted by relevance

/linux/Documentation/i2c/
A Ddma-considerations.rst24 For clients, if you use a DMA safe buffer in i2c_msg, set the I2C_M_DMA_SAFE
28 using an unsafe DMA buffer. To improve this situation, using I2C_M_DMA_SAFE in
37 I2C_M_DMA_SAFE flag manually.
48 If a buffer is returned, it is either msg->buf for the I2C_M_DMA_SAFE case or a
/linux/include/uapi/linux/
A Di2c.h78 #define I2C_M_DMA_SAFE 0x0200 /* use only in kernel space */ macro
/linux/drivers/i2c/
A Di2c-core-smbus.c311 msg->flags |= I2C_M_DMA_SAFE; in i2c_smbus_try_get_dmabuf()
513 if (msg[0].flags & I2C_M_DMA_SAFE) in i2c_smbus_xfer_emulated()
515 if (msg[1].flags & I2C_M_DMA_SAFE) in i2c_smbus_xfer_emulated()
A Di2c-dev.c262 msgs[i].flags |= I2C_M_DMA_SAFE; in i2cdev_ioctl_rdwr()
A Di2c-core-base.c2494 if (msg->flags & I2C_M_DMA_SAFE) in i2c_get_dma_safe_msg_buf()
/linux/drivers/hwmon/pmbus/
A Dadm1266.c89 .flags = I2C_M_DMA_SAFE, in adm1266_pmbus_block_xfer()
95 .flags = I2C_M_RD | I2C_M_DMA_SAFE, in adm1266_pmbus_block_xfer()
/linux/include/linux/
A Di2c.h96 I2C_M_RD | I2C_M_DMA_SAFE); in i2c_master_recv_dmasafe()
126 I2C_M_DMA_SAFE); in i2c_master_send_dmasafe()
/linux/drivers/input/touchscreen/
A Dst1232.c76 .flags = I2C_M_RD | I2C_M_DMA_SAFE, in st1232_ts_read_data()
/linux/drivers/i2c/busses/
A Di2c-rcar.c425 !(msg->flags & I2C_M_DMA_SAFE) || (read && priv->flags & ID_P_NO_RXDMA)) in rcar_i2c_dma()

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