diff options
Diffstat (limited to 'drivers/spi/spi-tegra210-quad.c')
| -rw-r--r-- | drivers/spi/spi-tegra210-quad.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/spi/spi-tegra210-quad.c b/drivers/spi/spi-tegra210-quad.c index 9f356612ba7e..0b9bc3b7f53a 100644 --- a/drivers/spi/spi-tegra210-quad.c +++ b/drivers/spi/spi-tegra210-quad.c @@ -1156,6 +1156,10 @@ static int tegra_qspi_combined_seq_xfer(struct tegra_qspi *tqspi, ret = -EIO; goto exit; } + if (!xfer->cs_change) { + tegra_qspi_transfer_end(spi); + spi_transfer_delay_exec(xfer); + } break; default: ret = -EINVAL; @@ -1164,14 +1168,14 @@ static int tegra_qspi_combined_seq_xfer(struct tegra_qspi *tqspi, msg->actual_length += xfer->len; transfer_phase++; } - if (!xfer->cs_change) { - tegra_qspi_transfer_end(spi); - spi_transfer_delay_exec(xfer); - } ret = 0; exit: msg->status = ret; + if (ret < 0) { + tegra_qspi_transfer_end(spi); + spi_transfer_delay_exec(xfer); + } return ret; } @@ -1297,7 +1301,7 @@ static bool tegra_qspi_validate_cmb_seq(struct tegra_qspi *tqspi, if (xfer->len > 4 || xfer->len < 3) return false; xfer = list_next_entry(xfer, transfer_list); - if (!tqspi->soc_data->has_dma || xfer->len > (QSPI_FIFO_DEPTH << 2)) + if (!tqspi->soc_data->has_dma && xfer->len > (QSPI_FIFO_DEPTH << 2)) return false; return true; @@ -1532,6 +1536,7 @@ static int tegra_qspi_probe(struct platform_device *pdev) master->mode_bits = SPI_MODE_0 | SPI_MODE_3 | SPI_CS_HIGH | SPI_TX_DUAL | SPI_RX_DUAL | SPI_TX_QUAD | SPI_RX_QUAD; master->bits_per_word_mask = SPI_BPW_MASK(32) | SPI_BPW_MASK(16) | SPI_BPW_MASK(8); + master->flags = SPI_CONTROLLER_HALF_DUPLEX; master->setup = tegra_qspi_setup; master->transfer_one_message = tegra_qspi_transfer_one_message; master->num_chipselect = 1; |