diff options
| -rw-r--r-- | drivers/spi/spi-tegra.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/spi/spi-tegra.c b/drivers/spi/spi-tegra.c index 0af220c863c2..7b3382e952ff 100644 --- a/drivers/spi/spi-tegra.c +++ b/drivers/spi/spi-tegra.c @@ -590,6 +590,7 @@ static int spi_tegra_start_dma_based_transfer( udelay(1); wmb(); } + tspi->dma_control_reg = val; val |= SLINK_DMA_EN; spi_tegra_writel(tspi, val, SLINK_DMA_CTL); @@ -627,6 +628,7 @@ static int spi_tegra_start_cpu_based_transfer( udelay(1); wmb(); } + tspi->dma_control_reg = val; val |= SLINK_DMA_EN; spi_tegra_writel(tspi, val, SLINK_DMA_CTL); return 0; @@ -1045,6 +1047,9 @@ static void handle_cpu_based_xfer(void *context_data) (tspi->status_reg & SLINK_BSY)) { dev_err(&tspi->pdev->dev, "%s ERROR bit set 0x%x\n", __func__, tspi->status_reg); + dev_err(&tspi->pdev->dev, "%s 0x%08x:0x%08x:0x%08x\n", + __func__, tspi->command_reg, tspi->command2_reg, + tspi->dma_control_reg); tegra_periph_reset_assert(tspi->clk); udelay(2); tegra_periph_reset_deassert(tspi->clk); @@ -1133,6 +1138,9 @@ static irqreturn_t spi_tegra_isr_thread(int irq, void *context_data) if (err) { dev_err(&tspi->pdev->dev, "%s ERROR bit set 0x%x\n", __func__, tspi->status_reg); + dev_err(&tspi->pdev->dev, "%s 0x%08x:0x%08x:0x%08x\n", + __func__, tspi->command_reg, tspi->command2_reg, + tspi->dma_control_reg); tegra_periph_reset_assert(tspi->clk); udelay(2); tegra_periph_reset_deassert(tspi->clk); |