diff options
Diffstat (limited to 'drivers/spi/spi-fsl-dspi.c')
| -rw-r--r-- | drivers/spi/spi-fsl-dspi.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 9e9dadb52b3d..35c0dd945668 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -159,7 +159,7 @@ struct fsl_dspi { u8 cs; u16 void_write_data; u32 cs_change; - struct fsl_dspi_devtype_data *devtype_data; + const struct fsl_dspi_devtype_data *devtype_data; wait_queue_head_t waitq; u32 waitflags; @@ -624,10 +624,13 @@ static int dspi_resume(struct device *dev) { struct spi_master *master = dev_get_drvdata(dev); struct fsl_dspi *dspi = spi_master_get_devdata(master); + int ret; pinctrl_pm_select_default_state(dev); - clk_prepare_enable(dspi->clk); + ret = clk_prepare_enable(dspi->clk); + if (ret) + return ret; spi_master_resume(master); return 0; @@ -651,8 +654,6 @@ static int dspi_probe(struct platform_device *pdev) struct resource *res; void __iomem *base; int ret = 0, cs_num, bus_num; - const struct of_device_id *of_id = - of_match_device(fsl_dspi_dt_ids, &pdev->dev); master = spi_alloc_master(&pdev->dev, sizeof(struct fsl_dspi)); if (!master) @@ -686,7 +687,7 @@ static int dspi_probe(struct platform_device *pdev) } master->bus_num = bus_num; - dspi->devtype_data = (struct fsl_dspi_devtype_data *)of_id->data; + dspi->devtype_data = of_device_get_match_data(&pdev->dev); if (!dspi->devtype_data) { dev_err(&pdev->dev, "can't get devtype_data\n"); ret = -EFAULT; @@ -728,7 +729,9 @@ static int dspi_probe(struct platform_device *pdev) dev_err(&pdev->dev, "unable to get clock\n"); goto out_master_put; } - clk_prepare_enable(dspi->clk); + ret = clk_prepare_enable(dspi->clk); + if (ret) + goto out_master_put; master->max_speed_hz = clk_get_rate(dspi->clk) / dspi->devtype_data->max_clock_factor; @@ -760,7 +763,6 @@ static int dspi_remove(struct platform_device *pdev) /* Disconnect from the SPI framework */ clk_disable_unprepare(dspi->clk); spi_unregister_master(dspi->master); - spi_master_put(dspi->master); return 0; } |