diff options
Diffstat (limited to 'drivers/spi/spi-ti-qspi.c')
| -rw-r--r-- | drivers/spi/spi-ti-qspi.c | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c index 1b12c2ff8be3..c54b760e00ed 100644 --- a/drivers/spi/spi-ti-qspi.c +++ b/drivers/spi/spi-ti-qspi.c @@ -531,44 +531,6 @@ static void ti_qspi_setup_mmap_read(struct spi_device *spi, u8 opcode, QSPI_SPI_SETUP_REG(spi->chip_select)); } -static bool ti_qspi_spi_flash_can_dma(struct spi_device *spi, - struct spi_flash_read_message *msg) -{ - return virt_addr_valid(msg->buf); -} - -static int ti_qspi_spi_flash_read(struct spi_device *spi, - struct spi_flash_read_message *msg) -{ - struct ti_qspi *qspi = spi_master_get_devdata(spi->master); - int ret = 0; - - mutex_lock(&qspi->list_lock); - - if (!qspi->mmap_enabled) - ti_qspi_enable_memory_map(spi); - ti_qspi_setup_mmap_read(spi, msg->read_opcode, msg->data_nbits, - msg->addr_width, msg->dummy_bytes); - - if (qspi->rx_chan) { - if (msg->cur_msg_mapped) - ret = ti_qspi_dma_xfer_sg(qspi, msg->rx_sg, msg->from); - else - ret = ti_qspi_dma_bounce_buffer(qspi, msg->from, - msg->buf, msg->len); - if (ret) - goto err_unlock; - } else { - memcpy_fromio(msg->buf, qspi->mmap_base + msg->from, msg->len); - } - msg->retlen = msg->len; - -err_unlock: - mutex_unlock(&qspi->list_lock); - - return ret; -} - static int ti_qspi_exec_mem_op(struct spi_mem *mem, const struct spi_mem_op *op) { @@ -727,7 +689,6 @@ static int ti_qspi_probe(struct platform_device *pdev) master->dev.of_node = pdev->dev.of_node; master->bits_per_word_mask = SPI_BPW_MASK(32) | SPI_BPW_MASK(16) | SPI_BPW_MASK(8); - master->spi_flash_read = ti_qspi_spi_flash_read; master->mem_ops = &ti_qspi_mem_ops; if (!of_property_read_u32(np, "num-cs", &num_cs)) @@ -827,7 +788,6 @@ static int ti_qspi_probe(struct platform_device *pdev) dma_release_channel(qspi->rx_chan); goto no_dma; } - master->spi_flash_can_dma = ti_qspi_spi_flash_can_dma; master->dma_rx = qspi->rx_chan; init_completion(&qspi->transfer_complete); if (res_mmap) @@ -841,7 +801,6 @@ no_dma: "mmap failed with error %ld using PIO mode\n", PTR_ERR(qspi->mmap_base)); qspi->mmap_base = NULL; - master->spi_flash_read = NULL; master->mem_ops = NULL; } } |