Lines Matching refs:buf_len
149 dev->buf_len, dma->direction);
158 if (!dev->buf_len)
165 if (--dev->buf_len == 0) {
171 dev_dbg(dev->dev, "wrote 0x%x, to go %zu\n", *dev->buf, dev->buf_len);
181 dev->buf_len, DMA_TO_DEVICE);
203 if (!dev->buf_len)
209 dma_addr = dma_map_single(dev->dev, dev->buf, dev->buf_len,
225 part1_len = dev->buf_len & ~0x3;
232 part2_len = dev->buf_len & 0x3;
248 sg_dma_len(&dma->sg[0]) = dev->buf_len;
279 if (!dev->buf_len) {
286 --dev->buf_len;
297 dev->buf_len += *dev->buf;
298 dev->msg->len = dev->buf_len + 1;
300 dev->buf_len);
304 dev->buf_len = 1;
309 if (!dev->use_alt_cmd && dev->buf_len == 1)
312 dev_dbg(dev->dev, "read 0x%x, to go %zu\n", *dev->buf, dev->buf_len);
323 dev->buf_len, DMA_FROM_DEVICE);
327 dev->buf += dev->buf_len - 2;
328 dev->buf_len = 2;
340 size_t buf_len;
342 buf_len = (dev->use_alt_cmd) ? dev->buf_len : dev->buf_len - 2;
347 dma_addr = dma_map_single(dev->dev, dev->buf, buf_len, DMA_FROM_DEVICE);
355 if (dev->fifo_size && IS_ALIGNED(buf_len, 4)) {
368 sg_dma_len(&dma->sg[0]) = buf_len;
528 (dev->msg->flags & I2C_M_RD) ? "read" : "write", dev->buf_len);
551 if (!dev->buf_len) {
558 if (!dev->use_alt_cmd && dev->buf_len <= 1 &&
571 if (dev->use_dma && (dev->buf_len > AT91_I2C_DMA_THRESHOLD)) {
581 if (dev->use_dma && (dev->buf_len > AT91_I2C_DMA_THRESHOLD)) {
588 (dev->buf_len ? AT91_TWI_TXRDY : 0));
703 dev->buf_len = m_start->len;