diff options
Diffstat (limited to 'drivers/spi/spi-tegra114.c')
| -rw-r--r-- | drivers/spi/spi-tegra114.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c index aaecfb3ebf5..f62e6e5e90e 100644 --- a/drivers/spi/spi-tegra114.c +++ b/drivers/spi/spi-tegra114.c @@ -17,7 +17,6 @@ */ #include <linux/clk.h> -#include <linux/clk/tegra.h> #include <linux/completion.h> #include <linux/delay.h> #include <linux/dmaengine.h> @@ -34,6 +33,7 @@ #include <linux/pm_runtime.h> #include <linux/of.h> #include <linux/of_device.h> +#include <linux/reset.h> #include <linux/spi/spi.h> #define SPI_COMMAND1 0x000 @@ -174,6 +174,7 @@ struct tegra_spi_data { spinlock_t lock; struct clk *clk; + struct reset_control *rst; void __iomem *base; phys_addr_t phys; unsigned irq; @@ -918,9 +919,9 @@ static irqreturn_t handle_cpu_based_xfer(struct tegra_spi_data *tspi) tspi->status_reg); dev_err(tspi->dev, "CpuXfer 0x%08x:0x%08x\n", tspi->command1_reg, tspi->dma_control_reg); - tegra_periph_reset_assert(tspi->clk); + reset_control_assert(tspi->rst); udelay(2); - tegra_periph_reset_deassert(tspi->clk); + reset_control_deassert(tspi->rst); complete(&tspi->xfer_completion); goto exit; } @@ -990,9 +991,9 @@ static irqreturn_t handle_dma_based_xfer(struct tegra_spi_data *tspi) tspi->status_reg); dev_err(tspi->dev, "DmaXfer 0x%08x:0x%08x\n", tspi->command1_reg, tspi->dma_control_reg); - tegra_periph_reset_assert(tspi->clk); + reset_control_assert(tspi->rst); udelay(2); - tegra_periph_reset_deassert(tspi->clk); + reset_control_deassert(tspi->rst); complete(&tspi->xfer_completion); spin_unlock_irqrestore(&tspi->lock, flags); return IRQ_HANDLED; @@ -1127,6 +1128,13 @@ static int tegra_spi_probe(struct platform_device *pdev) goto exit_free_irq; } + tspi->rst = devm_reset_control_get(&pdev->dev, "spi"); + if (IS_ERR(tspi->rst)) { + dev_err(&pdev->dev, "can not get reset\n"); + ret = PTR_ERR(tspi->rst); + goto exit_free_irq; + } + tspi->max_buf_size = SPI_FIFO_DEPTH << 2; tspi->dma_buf_size = DEFAULT_SPI_DMA_BUF_LEN; |