diff options
Diffstat (limited to 'drivers/spi/spi-fsl-lpspi.c')
| -rw-r--r-- | drivers/spi/spi-fsl-lpspi.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c index 34488de55587..4b70038ceb6b 100644 --- a/drivers/spi/spi-fsl-lpspi.c +++ b/drivers/spi/spi-fsl-lpspi.c @@ -425,7 +425,7 @@ static int fsl_lpspi_setup_transfer(struct spi_controller *controller, if (fsl_lpspi->is_only_cs1) fsl_lpspi->config.chip_select = 1; else - fsl_lpspi->config.chip_select = spi->chip_select; + fsl_lpspi->config.chip_select = spi_get_chipselect(spi, 0); if (!fsl_lpspi->config.speed_hz) fsl_lpspi->config.speed_hz = spi->max_speed_hz; @@ -910,9 +910,14 @@ static int fsl_lpspi_probe(struct platform_device *pdev) ret = fsl_lpspi_dma_init(&pdev->dev, fsl_lpspi, controller); if (ret == -EPROBE_DEFER) goto out_pm_get; - if (ret < 0) dev_err(&pdev->dev, "dma setup error %d, use pio\n", ret); + else + /* + * disable LPSPI module IRQ when enable DMA mode successfully, + * to prevent the unexpected LPSPI module IRQ events. + */ + disable_irq(irq); ret = devm_spi_register_controller(&pdev->dev, controller); if (ret < 0) { @@ -937,7 +942,7 @@ out_controller_put: return ret; } -static int fsl_lpspi_remove(struct platform_device *pdev) +static void fsl_lpspi_remove(struct platform_device *pdev) { struct spi_controller *controller = platform_get_drvdata(pdev); struct fsl_lpspi_data *fsl_lpspi = @@ -946,7 +951,6 @@ static int fsl_lpspi_remove(struct platform_device *pdev) fsl_lpspi_dma_exit(controller); pm_runtime_disable(fsl_lpspi->dev); - return 0; } static int __maybe_unused fsl_lpspi_suspend(struct device *dev) @@ -983,7 +987,7 @@ static struct platform_driver fsl_lpspi_driver = { .pm = &fsl_lpspi_pm_ops, }, .probe = fsl_lpspi_probe, - .remove = fsl_lpspi_remove, + .remove_new = fsl_lpspi_remove, }; module_platform_driver(fsl_lpspi_driver); |