diff options
Diffstat (limited to 'drivers/spi/spi-fsl-lpspi.c')
| -rw-r--r-- | drivers/spi/spi-fsl-lpspi.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c index 40f5c8fdba76..313e444a34f3 100644 --- a/drivers/spi/spi-fsl-lpspi.c +++ b/drivers/spi/spi-fsl-lpspi.c @@ -233,7 +233,6 @@ static int lpspi_unprepare_xfer_hardware(struct spi_controller *controller) struct fsl_lpspi_data *fsl_lpspi = spi_controller_get_devdata(controller); - pm_runtime_mark_last_busy(fsl_lpspi->dev); pm_runtime_put_autosuspend(fsl_lpspi->dev); return 0; @@ -331,13 +330,11 @@ static int fsl_lpspi_set_bitrate(struct fsl_lpspi_data *fsl_lpspi) } if (config.speed_hz > perclk_rate / 2) { - dev_err(fsl_lpspi->dev, - "per-clk should be at least two times of transfer speed"); - return -EINVAL; + div = 2; + } else { + div = DIV_ROUND_UP(perclk_rate, config.speed_hz); } - div = DIV_ROUND_UP(perclk_rate, config.speed_hz); - for (prescale = 0; prescale <= prescale_max; prescale++) { scldiv = div / (1 << prescale) - 2; if (scldiv >= 0 && scldiv < 256) { @@ -572,7 +569,7 @@ static int fsl_lpspi_calculate_timeout(struct fsl_lpspi_data *fsl_lpspi, timeout += 1; /* Double calculated timeout */ - return msecs_to_jiffies(2 * timeout * MSEC_PER_SEC); + return secs_to_jiffies(2 * timeout); } static int fsl_lpspi_dma_transfer(struct spi_controller *controller, @@ -966,7 +963,6 @@ static int fsl_lpspi_probe(struct platform_device *pdev) goto free_dma; } - pm_runtime_mark_last_busy(fsl_lpspi->dev); pm_runtime_put_autosuspend(fsl_lpspi->dev); return 0; |