diff options
| -rw-r--r-- | drivers/spi/spi-tegra210-quad.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/spi/spi-tegra210-quad.c b/drivers/spi/spi-tegra210-quad.c index ee291b9e9e9c..15c110c00aca 100644 --- a/drivers/spi/spi-tegra210-quad.c +++ b/drivers/spi/spi-tegra210-quad.c @@ -839,6 +839,7 @@ static u32 tegra_qspi_setup_transfer_one(struct spi_device *spi, struct spi_tran u32 command1, command2, speed = t->speed_hz; u8 bits_per_word = t->bits_per_word; u32 tx_tap = 0, rx_tap = 0; + unsigned long flags; int req_mode; if (!has_acpi_companion(tqspi->dev) && speed != tqspi->cur_speed) { @@ -846,10 +847,12 @@ static u32 tegra_qspi_setup_transfer_one(struct spi_device *spi, struct spi_tran tqspi->cur_speed = speed; } + spin_lock_irqsave(&tqspi->lock, flags); tqspi->cur_pos = 0; tqspi->cur_rx_pos = 0; tqspi->cur_tx_pos = 0; tqspi->curr_xfer = t; + spin_unlock_irqrestore(&tqspi->lock, flags); if (is_first_of_msg) { tegra_qspi_mask_clear_irq(tqspi); |