diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-rpc-if.c | 4 | ||||
| -rw-r--r-- | drivers/spi/spi-tegra20-slink.c | 9 |
2 files changed, 11 insertions, 2 deletions
diff --git a/drivers/spi/spi-rpc-if.c b/drivers/spi/spi-rpc-if.c index 83796a4ead34..fe82f3575df4 100644 --- a/drivers/spi/spi-rpc-if.c +++ b/drivers/spi/spi-rpc-if.c @@ -156,7 +156,9 @@ static int rpcif_spi_probe(struct platform_device *pdev) ctlr->mode_bits = SPI_CPOL | SPI_CPHA | SPI_TX_QUAD | SPI_RX_QUAD; ctlr->flags = SPI_CONTROLLER_HALF_DUPLEX; - rpcif_hw_init(rpc, false); + error = rpcif_hw_init(rpc, false); + if (error) + return error; error = spi_register_controller(ctlr); if (error) { diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c index e8204e155484..2a03739a0c60 100644 --- a/drivers/spi/spi-tegra20-slink.c +++ b/drivers/spi/spi-tegra20-slink.c @@ -18,12 +18,15 @@ #include <linux/kthread.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/pm_opp.h> #include <linux/pm_runtime.h> #include <linux/of.h> #include <linux/of_device.h> #include <linux/reset.h> #include <linux/spi/spi.h> +#include <soc/tegra/common.h> + #define SLINK_COMMAND 0x000 #define SLINK_BIT_LENGTH(x) (((x) & 0x1f) << 0) #define SLINK_WORD_SIZE(x) (((x) & 0x1f) << 5) @@ -680,7 +683,7 @@ static int tegra_slink_start_transfer_one(struct spi_device *spi, bits_per_word = t->bits_per_word; speed = t->speed_hz; if (speed != tspi->cur_speed) { - clk_set_rate(tspi->clk, speed * 4); + dev_pm_opp_set_rate(tspi->dev, speed * 4); tspi->cur_speed = speed; } @@ -1066,6 +1069,10 @@ static int tegra_slink_probe(struct platform_device *pdev) goto exit_free_master; } + ret = devm_tegra_core_dev_init_opp_table_common(&pdev->dev); + if (ret) + goto exit_free_master; + tspi->max_buf_size = SLINK_FIFO_DEPTH << 2; tspi->dma_buf_size = DEFAULT_SPI_DMA_BUF_LEN; |