Lines Matching defs:buffer
55 * Block buffer yes
176 u8 head; /* ring buffer head pointer */
178 u8 buffer[I2C_SMBUS_BLOCK_MAX + 16]; /* temp R/W data buffer */
319 * @data: data buffer from the upper layer
320 * @priv: ismt_priv struct holding our dma buffer
329 u8 *dma_buffer = PTR_ALIGN(&priv->buffer[0], 16);
392 * @data: read/write data buffer
400 dma_addr_t dma_addr = 0; /* address of the data buffer */
406 u8 *dma_buffer = PTR_ALIGN(&priv->buffer[0], 16);
410 /* Initialize the DMA buffer */
411 memset(priv->buffer, 0, sizeof(priv->buffer));
588 /* map the data buffer */
602 dev_err(dev, "Error in mapping dma buffer %p\n",
621 /* unmap the data buffer */